Redesigned SQL interface.

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/SnapshotFetcher.java

@@ -38,7 +38,7 @@ public class SnapshotFetcher implements PersistentStoreSource {
         SortedSet<Snapshot> newSnapshots = new TreeSet<Snapshot>();
         while (getNew(newSnapshots));
         for (Snapshot snapshot : newSnapshots) {
-            persistentStore.addSnapshot(projectName, snapshot.getVersionID());
+//            persistentStore.addSnapshot(projectName, snapshot.getVersionID());
         }
         Util.sout("Fetched snapshots: " + newSnapshots);
         return newSnapshots;
@@ -58,10 +58,10 @@ public class SnapshotFetcher implements PersistentStoreSource {
     @Override
     public void initFromPersistentStore(PersistentStoreAPI persistentStore) {
         this.persistentStore = persistentStore;
-        for (Integer savedVersionID : persistentStore.getVersionIDsForProjectName(projectName)) {
-            snapshots.put(savedVersionID, new Snapshot(savedVersionID));
-            versions.add(savedVersionID);
-        }
+//        for (Integer savedVersionID : persistentStore.getVersionIDsForProjectName(projectName)) {
+//            snapshots.put(savedVersionID, new Snapshot(savedVersionID));
+//            versions.add(savedVersionID);
+//        }
     }
 
     private boolean getNew(SortedSet<Snapshot> newSnapshots) throws FailedConnectionException, InvalidProjectException {

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/filestore/blob/ByteBlob.java

@@ -21,7 +21,7 @@ public class ByteBlob extends Blob {
 
     @Override
     public void updatePersistentStore(PersistentStoreAPI persistentStore, AttachmentNode node) {
-        persistentStore.addFileNodeBlob(node.getProjectName(), node.getFilePath(), node.isChanged(), contents);
+//        persistentStore.addFileNodeBlob(node.getProjectName(), node.getFilePath(), node.isChanged(), contents);
     }
 
 }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/filestore/blob/ExternalBlob.java

@@ -57,7 +57,7 @@ public class ExternalBlob extends Blob {
 
     @Override
     public void updatePersistentStore(PersistentStoreAPI persistentStore, AttachmentNode node) {
-        persistentStore.addFileNodeExternal(node.getProjectName(), node.getFilePath(), node.isChanged(), node.getURL());
+//        persistentStore.addFileNodeExternal(node.getProjectName(), node.getFilePath(), node.isChanged(), node.getURL());
     }
 
 }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/filestore/node/BlobNode.java

@@ -47,11 +47,11 @@ public class BlobNode extends FileNode {
 
     @Override
     public void updatePersistentStore(PersistentStoreAPI persistentStore, String projectName) {
-        try {
-            persistentStore.addFileNodeBlob(projectName, getFilePath(), isChanged(), getBlob().getContents());
-        } catch (FailedConnectionException e) {
-            throw new RuntimeException(e);
-        }
+//        try {
+//            persistentStore.addFileNodeBlob(projectName, getFilePath(), isChanged(), getBlob().getContents());
+//        } catch (FailedConnectionException e) {
+//            throw new RuntimeException(e);
+//        }
     }
 
     private void writeChanged(File projectAttDirectory) throws FailedConnectionException, IOException {

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/filestore/node/WLDirectoryNode.java

@@ -50,9 +50,9 @@ public class WLDirectoryNode implements PersistentStoreSource, PersistentStoreUp
     public void initFromPersistentStore(PersistentStoreAPI persistentStore) {
         fileIndexStore = new FileIndexStore(projectName, persistentStore);
         fileNodeTable = new HashMap<String, FileNode>();
-        for (FileNode fileNode : persistentStore.getFileNodesForProjectName(projectName, fileIndexStore)) {
-            fileNodeTable.put(fileNode.getFilePath(), fileNode);
-        }
+//        for (FileNode fileNode : persistentStore.getFileNodesForProjectName(projectName, fileIndexStore)) {
+//            fileNodeTable.put(fileNode.getFilePath(), fileNode);
+//        }
     }
 
     @Override
@@ -62,7 +62,7 @@ public class WLDirectoryNode implements PersistentStoreSource, PersistentStoreUp
     }
 
     private void updateFileNodeTableInPersistentStore(PersistentStoreAPI persistentStore) {
-        persistentStore.deleteFileNodesForProjectName(projectName);
+//        persistentStore.deleteFileNodesForProjectName(projectName);
         for (FileNode fileNode : fileNodeTable.values()) {
             fileNode.updatePersistentStore(persistentStore, projectName);
         }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/filestore/store/FileIndexStore.java

@@ -1,6 +1,5 @@
 package uk.ac.ic.wlgitbridge.writelatex.filestore.store;
 
-import uk.ac.ic.wlgitbridge.writelatex.api.request.exception.FailedConnectionException;
 import uk.ac.ic.wlgitbridge.writelatex.filestore.node.AttachmentNode;
 import uk.ac.ic.wlgitbridge.writelatex.filestore.node.BlobNode;
 import uk.ac.ic.wlgitbridge.writelatex.filestore.node.FileNode;
@@ -50,7 +49,7 @@ public class FileIndexStore implements FileNodeIndexer, PersistentStoreSource, P
 
     @Override
     public void initFromPersistentStore(PersistentStoreAPI persistentStore) {
-        urlMappings = persistentStore.getURLIndexTableForProjectName(projectName);
+//        urlMappings = persistentStore.getURLIndexTableForProjectName(projectName);
     }
 
     public boolean hasAttachmentWithURL(String url) {
@@ -63,13 +62,13 @@ public class FileIndexStore implements FileNodeIndexer, PersistentStoreSource, P
 
     @Override
     public void updatePersistentStore(PersistentStoreAPI persistentStore, String projectName) {
-        persistentStore.deleteURLIndexesForProjectName(projectName);
+//        persistentStore.deleteURLIndexesForProjectName(projectName);
         for (Entry<String, FileNode> urlMapping : urlMappings.entrySet()) {
-            try {
-                persistentStore.addURLIndex(projectName, urlMapping.getKey(), urlMapping.getValue().getContents());
-            } catch (FailedConnectionException e) {
-                throw new RuntimeException(e);
-            }
+//            try {
+//                persistentStore.addURLIndex(projectName, urlMapping.getKey(), urlMapping.getValue().getContents());
+//            } catch (FailedConnectionException e) {
+//                throw new RuntimeException(e);
+//            }
         }
     }
 

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/filestore/store/WLFileStore.java

@@ -42,9 +42,9 @@ public class WLFileStore implements PersistentStoreSource {
     @Override
     public void initFromPersistentStore(PersistentStoreAPI persistentStore) {
         this.persistentStore = persistentStore;
-        for (String projectName : persistentStore.getProjectNames()) {
-            fileStore.put(projectName, new WLDirectoryNode(projectName, attDirectory, rootGitDirectory, persistentStore));
-        }
+//        for (String projectName : persistentStore.getProjectNames()) {
+//            fileStore.put(projectName, new WLDirectoryNode(projectName, attDirectory, rootGitDirectory, persistentStore));
+//        }
     }
 
     public static void deleteInDirectory(File directory) {

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/WLDataModel.java

@@ -11,7 +11,7 @@ import uk.ac.ic.wlgitbridge.writelatex.api.request.getdoc.exception.InvalidProje
 import uk.ac.ic.wlgitbridge.writelatex.api.request.push.exception.SnapshotPostException;
 import uk.ac.ic.wlgitbridge.writelatex.filestore.store.WLFileStore;
 import uk.ac.ic.wlgitbridge.writelatex.model.db.PersistentStoreAPI;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.WLGBPersistentStore;
+import uk.ac.ic.wlgitbridge.writelatex.model.db.PersistentStore;
 
 import java.io.File;
 import java.io.IOException;
@@ -28,10 +28,10 @@ public class WLDataModel implements CandidateSnapshotCallback {
 
     public WLDataModel(String rootGitDirectoryPath) {
         File rootGitDirectory = initRootGitDirectory(rootGitDirectoryPath);
-        persistentStore = new WLGBPersistentStore(rootGitDirectory);
-        projectStore = persistentStore.loadProjectStore();
+        persistentStore = new PersistentStore(rootGitDirectory);
+        projectStore = null;//persistentStore.loadProjectStore();
         Util.sout("Loaded projects: " + projectStore.getProjectNames().size() + ".");
-        fileStore = persistentStore.loadFileStore();
+        fileStore = null;//persistentStore.loadFileStore();
         Util.sout("Loaded file store and index tables.");
         List<String> excludedFromDeletion = projectStore.getProjectNames();
         excludedFromDeletion.add(".wlgb");

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/WLProject.java

@@ -61,7 +61,7 @@ public class WLProject implements PersistentStoreSource {
         snapshots.put(versionID, new Snapshot(versionID));
         snapshotFetcher.putLatestVersion(versionID);
         latestSnapshotID = versionID;
-        persistentStore.addSnapshot(name, versionID);
+//        persistentStore.addSnapshot(name, versionID);
     }
 
     @Override

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/WLProjectStore.java

@@ -32,7 +32,7 @@ public class WLProjectStore implements PersistentStoreSource {
         } else {
             project = new WLProject(name, persistentStore);
             projects.put(name, project);
-            persistentStore.addProject(name);
+//            persistentStore.addProject(name);
         }
         return project;
     }
@@ -44,9 +44,9 @@ public class WLProjectStore implements PersistentStoreSource {
     @Override
     public void initFromPersistentStore(PersistentStoreAPI persistentStore) {
         this.persistentStore = persistentStore;
-        for (String projectName : persistentStore.getProjectNames()) {
-            projects.put(projectName, new WLProject(projectName, persistentStore));
-        }
+//        for (String projectName : persistentStore.getProjectNames()) {
+//            projects.put(projectName, new WLProject(projectName, persistentStore));
+//        }
     }
 
 }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/PersistentStore.java

@@ -0,0 +1,64 @@
+package uk.ac.ic.wlgitbridge.writelatex.model.db;
+
+import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLiteWLDatabase;
+
+import java.io.File;
+import java.sql.SQLException;
+
+/**
+ * Created by Winston on 19/11/14.
+ */
+public class PersistentStore {
+
+    private final SQLiteWLDatabase database;
+
+    public PersistentStore(File rootGitDirectory) {
+        try {
+            database = new SQLiteWLDatabase(rootGitDirectory);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        } catch (ClassNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+    public void setLatestVersionForProject(String project, int versionID) {
+        try {
+            database.setVersionIDForProject(project, versionID);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void deleteFilesForProject(String project, String... files) {
+        try {
+            database.deleteFilesForProject(project, files);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public void addURLIndexesForProject(String projectName, String url, String path) {
+        try {
+            database.addURLIndex(projectName, url, path);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public int getLatestVersionForProject(String project) {
+        try {
+            return database.getVersionIDForProjectName(project);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public String getPathForURLInProject(String projectName, String url) {
+        try {
+            return database.getPathForURLInProject(projectName, url);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/PersistentStoreAPI.java

@@ -1,33 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db;
-
-import uk.ac.ic.wlgitbridge.writelatex.filestore.node.FileNode;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.store.FileIndexStore;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.store.WLFileStore;
-import uk.ac.ic.wlgitbridge.writelatex.model.WLProjectStore;
-
-import java.util.List;
-import java.util.Map;
-
-/**
- * Created by Winston on 17/11/14.
- */
-public interface PersistentStoreAPI {
-
-    public WLProjectStore loadProjectStore();
-    public WLFileStore loadFileStore();
-
-    public void addProject(String name);
-    public void addSnapshot(String projectName, int versionID);
-    public void addFileNodeBlob(String projectName, String fileName, boolean changed, byte[] blob);
-    public void addFileNodeExternal(String projectName, String fileName, boolean changed, String url);
-    public void addURLIndex(String projectName, String url, byte[] blob);
-
-    public List<String> getProjectNames();
-    public List<Integer> getVersionIDsForProjectName(String projectName);
-    public List<FileNode> getFileNodesForProjectName(String projectName, FileIndexStore fileIndexStore);
-    public Map<String, FileNode> getURLIndexTableForProjectName(String projectName);
-
-    public void deleteFileNodesForProjectName(String projectName);
-    public void deleteURLIndexesForProjectName(String projectName);
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/PersistentStoreSource.java

@@ -5,6 +5,6 @@ package uk.ac.ic.wlgitbridge.writelatex.model.db;
  */
 public interface PersistentStoreSource {
 
-    public void initFromPersistentStore(PersistentStoreAPI persistentStore);
+    public void initFromPersistentStore(PersistentStore persistentStore);
 
 }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/PersistentStoreUpdater.java

@@ -5,6 +5,6 @@ package uk.ac.ic.wlgitbridge.writelatex.model.db;
  */
 public interface PersistentStoreUpdater<T> {
 
-    public void updatePersistentStore(PersistentStoreAPI persistentStore, T info);
+    public void updatePersistentStore(PersistentStore persistentStore, T info);
 
 }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/WLGBPersistentStore.java

@@ -1,143 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db;
-
-import uk.ac.ic.wlgitbridge.util.Util;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.node.FileNode;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.store.FileIndexStore;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.store.WLFileStore;
-import uk.ac.ic.wlgitbridge.writelatex.model.WLProjectStore;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLiteWLDatabase;
-
-import java.io.File;
-import java.sql.SQLException;
-import java.util.List;
-import java.util.Map;
-
-/**
- * Created by Winston on 19/11/14.
- */
-public class WLGBPersistentStore implements PersistentStoreAPI {
-
-    private final File rootGitDirectory;
-    private final SQLiteWLDatabase database;
-
-    public WLGBPersistentStore(File rootGitDirectory) {
-        this.rootGitDirectory = rootGitDirectory;
-        try {
-            database = new SQLiteWLDatabase(rootGitDirectory);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        } catch (ClassNotFoundException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public WLProjectStore loadProjectStore() {
-        return new WLProjectStore(this);
-    }
-
-    @Override
-    public WLFileStore loadFileStore() {
-        return new WLFileStore(rootGitDirectory, this);
-    }
-
-    @Override
-    public void addProject(String name) {
-        try {
-            database.addProject(name);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public void addSnapshot(String projectName, int versionID) {
-        try {
-            database.addSnapshot(projectName, versionID);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public void addFileNodeBlob(String projectName, String fileName, boolean changed, byte[] blob) {
-        try {
-            database.addFileNodeBlob(projectName, fileName, Util.booleanToInt(changed), blob);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public void addFileNodeExternal(String projectName, String fileName, boolean changed, String url) {
-        try {
-            database.addFileNodeExternal(projectName, fileName, Util.booleanToInt(changed), url);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public void addURLIndex(String projectName, String url, byte[] blob) {
-        try {
-            database.addURLIndex(projectName, url, blob);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public List<String> getProjectNames() {
-        try {
-            return database.getProjectNames();
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public List<Integer> getVersionIDsForProjectName(String projectName) {
-        try {
-            return database.getVersionIDsForProjectName(projectName);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public List<FileNode> getFileNodesForProjectName(String projectName, FileIndexStore fileIndexStore) {
-        try {
-            return database.getFileNodesForProjectName(projectName, fileIndexStore);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public Map<String, FileNode> getURLIndexTableForProjectName(String projectName) {
-        try {
-            return database.getURLIndexTableForProjectName(projectName);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public void deleteFileNodesForProjectName(String projectName) {
-        try {
-            database.deleteFileNodesForProjectName(projectName);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    @Override
-    public void deleteURLIndexesForProjectName(String projectName) {
-        try {
-            database.deleteURLIndexesForProjectName(projectName);
-        } catch (SQLException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/SQLiteWLDatabase.java

@@ -1,24 +1,16 @@
 package uk.ac.ic.wlgitbridge.writelatex.model.db.sql;
 
 import uk.ac.ic.wlgitbridge.util.Util;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.node.FileNode;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.store.FileIndexStore;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query.GetFileNodesForProjectNameSQLQuery;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query.GetProjectNamesSQLQuery;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query.GetURLIndexTableForProjectNameSQLQuery;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query.GetVersionIDsForProjectNameSQLQuery;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.create.CreateFileNodeTableSQLUpdate;
+import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query.GetPathForURLInProjectSQLQuery;
+import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query.GetLatestVersionForProjectSQLQuery;
 import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.create.CreateProjectsTableSQLUpdate;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.create.CreateSnapshotsTableSQLUpdate;
 import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.create.CreateURLIndexStoreSQLUpdate;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.delete.DeleteFileNodesForProjectNameSQLUpdate;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.delete.DeleteURLIndexesForProjectNameSQLUpdate;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.insert.*;
+import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.delete.DeleteFilesForProjectSQLUpdate;
+import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.insert.AddURLIndexSQLUpdate;
+import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.insert.SetProjectSQLUpdate;
 
 import java.io.File;
 import java.sql.*;
-import java.util.List;
-import java.util.Map;
 
 /**
  * Created by Winston on 17/11/14.
@@ -36,56 +28,29 @@ public class SQLiteWLDatabase {
         createTables();
     }
 
-    public void addProject(String projectName) throws SQLException {
-        update(new AddProjectSQLUpdate(projectName));
+    public void setVersionIDForProject(String projectName, int versionID) throws SQLException {
+        update(new SetProjectSQLUpdate(projectName, versionID));
     }
 
-    public void addSnapshot(String projectName, int versionID) throws SQLException {
-        update(new AddSnapshotSQLUpdate(projectName, versionID));
+    public void addURLIndex(String projectName, String url, String path) throws SQLException {
+        update(new AddURLIndexSQLUpdate(projectName, url, path));
     }
 
-    public void addFileNodeBlob(String projectName, String fileName, int changed, byte[] blob) throws SQLException {
-        update(new AddFileNodeBlobSQLUpdate(projectName, fileName, changed, blob));
+    public void deleteFilesForProject(String projectName, String... paths) throws SQLException {
+        update(new DeleteFilesForProjectSQLUpdate(projectName, paths));
     }
 
-    public void addFileNodeExternal(String projectName, String fileName, int changed, String url) throws SQLException {
-        update(new AddFileNodeExternalSQLUpdate(projectName, fileName, changed, url));
+    public int getVersionIDForProjectName(String projectName) throws SQLException {
+        return query(new GetLatestVersionForProjectSQLQuery(projectName));
     }
 
-    public void addURLIndex(String projectName, String url, byte[] blob) throws SQLException {
-        update(new AddURLIndexSQLUpdate(projectName, url, blob));
-
-    }
-
-    public List<String> getProjectNames() throws SQLException {
-        return query(new GetProjectNamesSQLQuery());
-    }
-
-    public List<Integer> getVersionIDsForProjectName(String projectName) throws SQLException {
-        return query(new GetVersionIDsForProjectNameSQLQuery(projectName));
-    }
-
-    public List<FileNode> getFileNodesForProjectName(String projectName, FileIndexStore fileIndexStore) throws SQLException {
-        return query(new GetFileNodesForProjectNameSQLQuery(projectName, fileIndexStore));
-    }
-
-    public Map<String, FileNode> getURLIndexTableForProjectName(String projectName) throws SQLException {
-        return query(new GetURLIndexTableForProjectNameSQLQuery(projectName));
-    }
-
-    public void deleteFileNodesForProjectName(String projectName) throws SQLException {
-        update(new DeleteFileNodesForProjectNameSQLUpdate(projectName));
-    }
-
-    public void deleteURLIndexesForProjectName(String projectName) throws SQLException {
-        update(new DeleteURLIndexesForProjectNameSQLUpdate(projectName));
+    public String getPathForURLInProject(String projectName, String url) throws SQLException {
+        return query(new GetPathForURLInProjectSQLQuery(projectName, url));
     }
 
     private void createTables() throws SQLException {
         final SQLUpdate[] createTableUpdates = {
                 new CreateProjectsTableSQLUpdate(),
-                new CreateSnapshotsTableSQLUpdate(),
-                new CreateFileNodeTableSQLUpdate(),
                 new CreateURLIndexStoreSQLUpdate()
         };
 

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/query/GetFileNodesForProjectNameSQLQuery.java

@@ -1,60 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query;
-
-import uk.ac.ic.wlgitbridge.util.Util;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.node.AttachmentNode;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.node.BlobNode;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.node.FileNode;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.store.FileIndexStore;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLQuery;
-
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.LinkedList;
-import java.util.List;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class GetFileNodesForProjectNameSQLQuery implements SQLQuery<List<FileNode>> {
-
-    private static final String GET_FILE_NODES_FOR_PROJECT_NAME =
-            "SELECT `file_name`, `changed`, `is_blob`, `blob`, `url` FROM `file_node_table` WHERE `project_name` = ?";
-
-    private final String projectName;
-    private final FileIndexStore fileIndexStore;
-
-    public GetFileNodesForProjectNameSQLQuery(String projectName, FileIndexStore fileIndexStore) {
-        this.projectName = projectName;
-        this.fileIndexStore = fileIndexStore;
-    }
-
-    @Override
-    public List<FileNode> processResultSet(ResultSet resultSet) throws SQLException {
-        List<FileNode> fileNodes = new LinkedList<FileNode>();
-        while (resultSet.next()) {
-            boolean isBlob = Util.intToBoolean(resultSet.getInt("is_blob"));
-            FileNode fileNode;
-            String fileName = resultSet.getString("file_name");
-            boolean changed = Util.intToBoolean(resultSet.getInt("changed"));
-            if (isBlob) {
-                fileNode = new BlobNode(fileName, changed, resultSet.getBytes("blob"));
-            } else {
-                fileNode = new AttachmentNode(fileName, changed, resultSet.getString("url"), fileIndexStore);
-            }
-            fileNodes.add(fileNode);
-        }
-        return fileNodes;
-    }
-
-    @Override
-    public String getSQL() {
-        return GET_FILE_NODES_FOR_PROJECT_NAME;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-        statement.setString(1, projectName);
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/query/GetVersionIDsForProjectNameSQLQuery.java → services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/query/GetLatestVersionForProjectSQLQuery.java

@@ -5,30 +5,28 @@ import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLQuery;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.util.LinkedList;
-import java.util.List;
 
 /**
  * Created by Winston on 20/11/14.
  */
-public class GetVersionIDsForProjectNameSQLQuery implements SQLQuery<List<Integer>> {
+public class GetLatestVersionForProjectSQLQuery implements SQLQuery<Integer> {
 
     private static final String GET_VERSION_IDS_FOR_PROJECT_NAME =
-            "SELECT `version_id` FROM `snapshots` WHERE `project_name` = ?";
+            "SELECT `version_id` FROM `projects` WHERE `project_name` = ?";
 
     private final String projectName;
 
-    public GetVersionIDsForProjectNameSQLQuery(String projectName) {
+    public GetLatestVersionForProjectSQLQuery(String projectName) {
         this.projectName = projectName;
     }
 
     @Override
-    public List<Integer> processResultSet(ResultSet resultSet) throws SQLException {
-        List<Integer> versionIDs = new LinkedList<Integer>();
+    public Integer processResultSet(ResultSet resultSet) throws SQLException {
+        int versionID = 0;
         while (resultSet.next()) {
-            versionIDs.add(resultSet.getInt("version_id"));
+            versionID = resultSet.getInt("version_id");
         }
-        return versionIDs;
+        return versionID;
     }
 
     @Override

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/query/GetPathForURLInProjectSQLQuery.java

@@ -0,0 +1,45 @@
+package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query;
+
+import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLQuery;
+
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+
+/**
+ * Created by Winston on 20/11/14.
+ */
+public class GetPathForURLInProjectSQLQuery implements SQLQuery<String> {
+
+    private static final String GET_URL_INDEXES_FOR_PROJECT_NAME =
+            "SELECT `path` FROM `url_index_store` WHERE `project_name` = ? AND `url` = ?";
+
+    private final String projectName;
+    private final String url;
+
+    public GetPathForURLInProjectSQLQuery(String projectName, String url) {
+        this.projectName = projectName;
+        this.url = url;
+    }
+
+    @Override
+    public String processResultSet(ResultSet resultSet) throws SQLException {
+        String path = null;
+        while (resultSet.next()) {
+            path = resultSet.getString("path");
+        }
+        return path;
+    }
+
+    @Override
+    public String getSQL() {
+        return GET_URL_INDEXES_FOR_PROJECT_NAME;
+    }
+
+    @Override
+    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
+        statement.setString(1, projectName);
+        statement.setString(2, url);
+    }
+
+}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/query/GetProjectNamesSQLQuery.java

@@ -1,38 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query;
-
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLQuery;
-
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.LinkedList;
-import java.util.List;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class GetProjectNamesSQLQuery implements SQLQuery<List<String>> {
-
-    private static final String GET_PROJECT_NAMES =
-            "SELECT * FROM `projects`;\n";
-
-    @Override
-    public List<String> processResultSet(ResultSet resultSet) throws SQLException {
-        List<String> projectNames = new LinkedList<String>();
-        while (resultSet.next()) {
-            projectNames.add(resultSet.getString("name"));
-        }
-        return projectNames;
-    }
-
-    @Override
-    public String getSQL() {
-        return GET_PROJECT_NAMES;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/query/GetURLIndexTableForProjectNameSQLQuery.java

@@ -1,48 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.query;
-
-import uk.ac.ic.wlgitbridge.writelatex.filestore.node.AttachmentNode;
-import uk.ac.ic.wlgitbridge.writelatex.filestore.node.FileNode;
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLQuery;
-
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class GetURLIndexTableForProjectNameSQLQuery implements SQLQuery<Map<String, FileNode>> {
-
-    private static final String GET_URL_INDEXES_FOR_PROJECT_NAME =
-            "SELECT `url`, `blob` FROM `url_index_store` WHERE `project_name` = ?";
-
-    private final String projectName;
-
-    public GetURLIndexTableForProjectNameSQLQuery(String projectName) {
-        this.projectName = projectName;
-    }
-
-    @Override
-    public Map<String, FileNode> processResultSet(ResultSet resultSet) throws SQLException {
-        Map<String, FileNode> urlIndexTable = new HashMap<String, FileNode>();
-        while (resultSet.next()) {
-            String url = resultSet.getString("url");
-            byte[] blob = resultSet.getBytes("blob");
-            urlIndexTable.put(url, new AttachmentNode(url, blob));
-        }
-        return urlIndexTable;
-    }
-
-    @Override
-    public String getSQL() {
-        return GET_URL_INDEXES_FOR_PROJECT_NAME;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-        statement.setString(1, projectName);
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/create/CreateFileNodeTableSQLUpdate.java

@@ -1,35 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.create;
-
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLUpdate;
-
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class CreateFileNodeTableSQLUpdate implements SQLUpdate {
-
-    private static final String CREATE_FILE_NODE_TABLE =
-            "CREATE TABLE IF NOT EXISTS `file_node_table` (\n" +
-            "  `project_name` varchar(10) NOT NULL DEFAULT '',\n" +
-            "  `file_name` varchar(255) NOT NULL DEFAULT '',\n" +
-            "  `changed` tinyint(1) NOT NULL,\n" +
-            "  `is_blob` tinyint(1) NOT NULL,\n" +
-            "  `blob` blob,\n" +
-            "  `url` varchar(128) DEFAULT NULL,\n" +
-            "  PRIMARY KEY (`project_name`,`file_name`),\n" +
-            "  CONSTRAINT `file_node_table_ibfk_1` FOREIGN KEY (`project_name`) REFERENCES `projects` (`name`) ON DELETE CASCADE ON UPDATE CASCADE\n" +
-            ")";
-
-    @Override
-    public String getSQL() {
-        return CREATE_FILE_NODE_TABLE;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/create/CreateProjectsTableSQLUpdate.java

@@ -13,6 +13,7 @@ public class CreateProjectsTableSQLUpdate implements SQLUpdate {
     private static final String CREATE_PROJECTS_TABLE =
             "CREATE TABLE IF NOT EXISTS `projects` (\n" +
             "  `name` varchar(10) NOT NULL DEFAULT '',\n" +
+            "  `version_id` int(11) NOT NULL DEFAULT 0,\n" +
             "  PRIMARY KEY (`name`)\n" +
             ")";
     @Override

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/create/CreateSnapshotsTableSQLUpdate.java

@@ -1,31 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.create;
-
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLUpdate;
-
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class CreateSnapshotsTableSQLUpdate implements SQLUpdate {
-
-    private static final String CREATE_SNAPSHOTS_TABLE =
-            "CREATE TABLE IF NOT EXISTS `snapshots` (\n" +
-            "  `project_name` varchar(10) NOT NULL DEFAULT '',\n" +
-            "  `version_id` int(11) NOT NULL,\n" +
-            "  PRIMARY KEY (`project_name`,`version_id`),\n" +
-            "  CONSTRAINT `snapshots_ibfk_1` FOREIGN KEY (`project_name`) REFERENCES `projects` (`name`) ON DELETE CASCADE ON UPDATE CASCADE\n" +
-            ")";
-
-    @Override
-    public String getSQL() {
-        return CREATE_SNAPSHOTS_TABLE;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/create/CreateURLIndexStoreSQLUpdate.java

@@ -11,13 +11,16 @@ import java.sql.SQLException;
 public class CreateURLIndexStoreSQLUpdate implements SQLUpdate {
 
     private static final String CREATE_URL_INDEX_STORE =
+            "BEGIN;\n"+
             "CREATE TABLE IF NOT EXISTS `url_index_store` (\n"+
             "  `project_name` varchar(10) NOT NULL DEFAULT '',\n"+
-            "  `url` varchar(128) NOT NULL,\n"+
-            "  `blob` blob NOT NULL,\n"+
+            "  `url` text NOT NULL,\n"+
+            "  `path` text NOT NULL,\n"+
             "  PRIMARY KEY (`project_name`,`url`),\n"+
             "  CONSTRAINT `url_index_store_ibfk_1` FOREIGN KEY (`project_name`) REFERENCES `projects` (`name`) ON DELETE CASCADE ON UPDATE CASCADE\n"+
-            ")";
+            ");\n"+
+            "CREATE INDEX `project_path_index` ON `url_index_store`(`project_name`, `path`);\n"+
+            "COMMIT;\n";
 
     @Override
     public String getSQL() {

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/delete/DeleteFileNodesForProjectNameSQLUpdate.java

@@ -1,32 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.delete;
-
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLUpdate;
-
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class DeleteFileNodesForProjectNameSQLUpdate implements SQLUpdate {
-
-    private static final String DELETE_FILE_NODES_FOR_PROJECT_NAME =
-            "DELETE FROM `file_node_table` WHERE `project_name` = ?";
-
-    private final String projectName;
-
-    public DeleteFileNodesForProjectNameSQLUpdate(String projectName) {
-        this.projectName = projectName;
-    }
-
-    @Override
-    public String getSQL() {
-        return DELETE_FILE_NODES_FOR_PROJECT_NAME;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-        statement.setString(1, projectName);
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/delete/DeleteURLIndexesForProjectNameSQLUpdate.java → services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/delete/DeleteFilesForProjectSQLUpdate.java

@@ -8,20 +8,32 @@ import java.sql.SQLException;
 /**
  * Created by Winston on 20/11/14.
  */
-public class DeleteURLIndexesForProjectNameSQLUpdate implements SQLUpdate {
+public class DeleteFilesForProjectSQLUpdate implements SQLUpdate {
 
     private static final String DELETE_URL_INDEXES_FOR_PROJECT_NAME =
-            "DELETE FROM `url_index_store` WHERE `project_name` = ?";
+            "DELETE FROM `url_index_store` WHERE `project_name` = ? AND path IN (";
 
     private final String projectName;
+    private final String[] paths;
 
-    public DeleteURLIndexesForProjectNameSQLUpdate(String projectName) {
+    public DeleteFilesForProjectSQLUpdate(String projectName, String... paths) {
         this.projectName = projectName;
+        this.paths = paths;
     }
 
     @Override
     public String getSQL() {
-        return DELETE_URL_INDEXES_FOR_PROJECT_NAME;
+        StringBuilder sb = new StringBuilder(DELETE_URL_INDEXES_FOR_PROJECT_NAME);
+        for (int i = 0; i < paths.length; i++) {
+            sb.append('\'');
+            sb.append(paths[i]);
+            sb.append('\'');
+            if (i < paths.length - 1) {
+                sb.append(", ");
+            }
+        }
+        sb.append(");\n");
+        return sb.toString();
     }
 
     @Override

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/insert/AddFileNodeBlobSQLUpdate.java

@@ -1,41 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.insert;
-
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLUpdate;
-
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class AddFileNodeBlobSQLUpdate implements SQLUpdate {
-
-    private static final String ADD_FILE_NODE_BLOB =
-            "INSERT INTO `file_node_table` (`project_name`, `file_name`, `changed`, `is_blob`, `blob`, `url`) VALUES (?, ?, ?, '1', ?, NULL);\n";
-
-    private final String projectName;
-    private final String fileName;
-    private final int changed;
-    private final byte[] blob;
-
-    public AddFileNodeBlobSQLUpdate(String projectName, String fileName, int changed, byte[] blob) {
-        this.projectName = projectName;
-        this.fileName = fileName;
-        this.changed = changed;
-        this.blob = blob;
-    }
-
-    @Override
-    public String getSQL() {
-        return ADD_FILE_NODE_BLOB;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-        statement.setString(1, projectName);
-        statement.setString(2, fileName);
-        statement.setInt(3, changed);
-        statement.setBytes(4, blob);
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/insert/AddFileNodeExternalSQLUpdate.java

@@ -1,41 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.insert;
-
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLUpdate;
-
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class AddFileNodeExternalSQLUpdate implements SQLUpdate {
-
-    private static final String ADD_FILE_NODE_EXTERNAL =
-            "INSERT INTO `file_node_table` (`project_name`, `file_name`, `changed`, `is_blob`, `blob`, `url`) VALUES (?, ?, ?, '0', NULL, ?);\n";
-
-    private final String projectName;
-    private final String fileName;
-    private final int changed;
-    private final String url;
-
-    public AddFileNodeExternalSQLUpdate(String projectName, String fileName, int changed, String url) {
-        this.projectName = projectName;
-        this.fileName = fileName;
-        this.changed = changed;
-        this.url = url;
-    }
-
-    @Override
-    public String getSQL() {
-        return ADD_FILE_NODE_EXTERNAL;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-        statement.setString(1, projectName);
-        statement.setString(2, fileName);
-        statement.setInt(3, changed);
-        statement.setString(4, url);
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/insert/AddProjectSQLUpdate.java

@@ -1,32 +0,0 @@
-package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.insert;
-
-import uk.ac.ic.wlgitbridge.writelatex.model.db.sql.SQLUpdate;
-
-import java.sql.PreparedStatement;
-import java.sql.SQLException;
-
-/**
- * Created by Winston on 20/11/14.
- */
-public class AddProjectSQLUpdate implements SQLUpdate {
-
-    private static final String ADD_PROJECT =
-            "INSERT INTO `projects` (`name`) VALUES (?);\n";
-
-    private final String projectName;
-
-    public AddProjectSQLUpdate(String projectName) {
-        this.projectName = projectName;
-    }
-
-    @Override
-    public String getSQL() {
-        return ADD_PROJECT;
-    }
-
-    @Override
-    public void addParametersToStatement(PreparedStatement statement) throws SQLException {
-        statement.setString(1, projectName);
-    }
-
-}

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/insert/AddURLIndexSQLUpdate.java

@@ -11,16 +11,16 @@ import java.sql.SQLException;
 public class AddURLIndexSQLUpdate implements SQLUpdate {
 
     private static final String ADD_URL_INDEX =
-            "INSERT INTO `url_index_store` (`project_name`, `url`, `blob`) VALUES (?, ?, ?);\n";
+            "INSERT INTO `url_index_store` (`project_name`, `url`, `path`) VALUES (?, ?, ?);\n";
 
     private final String projectName;
     private final String url;
-    private final byte[] blob;
+    private final String path;
 
-    public AddURLIndexSQLUpdate(String projectName, String url, byte[] blob) {
+    public AddURLIndexSQLUpdate(String projectName, String url, String path) {
         this.projectName = projectName;
         this.url = url;
-        this.blob = blob;
+        this.path = path;
     }
 
     @Override
@@ -32,7 +32,7 @@ public class AddURLIndexSQLUpdate implements SQLUpdate {
     public void addParametersToStatement(PreparedStatement statement) throws SQLException {
         statement.setString(1, projectName);
         statement.setString(2, url);
-        statement.setBytes(3, blob);
+        statement.setString(3, path);
     }
 
 }

services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/insert/AddSnapshotSQLUpdate.java → services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/insert/SetProjectSQLUpdate.java

@@ -8,22 +8,22 @@ import java.sql.SQLException;
 /**
  * Created by Winston on 20/11/14.
  */
-public class AddSnapshotSQLUpdate implements SQLUpdate {
+public class SetProjectSQLUpdate implements SQLUpdate {
 
-    private static final String ADD_SNAPSHOT =
-            "INSERT INTO `snapshots` (`project_name`, `version_id`) VALUES (?, ?);\n";
+    private static final String SET_PROJECT =
+            "INSERT OR REPLACE INTO `projects`(`name`, `version_id`) VALUES (?, ?);\n";
 
     private final String projectName;
     private final int versionID;
 
-    public AddSnapshotSQLUpdate(String projectName, int versionID) {
+    public SetProjectSQLUpdate(String projectName, int versionID) {
         this.projectName = projectName;
         this.versionID = versionID;
     }
 
     @Override
     public String getSQL() {
-        return ADD_SNAPSHOT;
+        return SET_PROJECT;
     }
 
     @Override

services/git-bridge/src/test/java/uk/ac/ic/wlgitbridge/writelatex/model/db/sql/update/delete/DeleteFilesForProjectSQLUpdateTest.java

@@ -0,0 +1,14 @@
+package uk.ac.ic.wlgitbridge.writelatex.model.db.sql.update.delete;
+
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+public class DeleteFilesForProjectSQLUpdateTest {
+
+    @Test
+    public void testGetSQL() {
+        DeleteFilesForProjectSQLUpdate update = new DeleteFilesForProjectSQLUpdate("projname", "path1", "path2");
+        assertEquals("DELETE FROM `url_index_store` WHERE `project_name` = ? AND path IN ('path1', 'path2');\n", update.getSQL());
+    }
+
+}