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Initial sqlite database creation code.

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This commit is contained in:
Winston Li 2014-11-19 13:49:30 +00:00
parent 50023ba265
commit dca42ac72b
7 changed files with 131 additions and 58 deletions
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1
services/git-bridge/src/uk/ac/ic/wlgitbridge/Main.java
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@ -9,6 +9,7 @@ public class Main {
public static void main(String[] args) {
new WLGitBridgeApplication(args).run();
}
}

8
services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/filestore/store/FileIndexStore.java
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@ -49,3 +49,11 @@ public class FileIndexStore implements FileNodeIndexer {
}
}
/*Winston is really cool
and he's a cat
meow
miaow
meaaaoowww
=^.^=
*/

13
services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/model/WLDataModel.java
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@ -9,11 +9,12 @@ import uk.ac.ic.wlgitbridge.writelatex.api.request.exception.FailedConnectionExc
import uk.ac.ic.wlgitbridge.writelatex.api.request.getdoc.exception.InvalidProjectException;
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.Database;
import uk.ac.ic.wlgitbridge.writelatex.model.db.SQLiteWLDatabase;
import uk.ac.ic.wlgitbridge.writelatex.model.db.WLDatabase;
import java.io.File;
import java.io.IOException;
import java.sql.SQLException;
import java.util.List;
/**
@ -21,13 +22,19 @@ import java.util.List;
*/
public class WLDataModel implements CandidateSnapshotCallback {
private final WLDatabase db;
private WLDatabase db;
private final WLProjectStore projectStore;
private final WLFileStore fileStore;
public WLDataModel(String rootGitDirectoryPath) {
File rootGitDirectory = initRootGitDirectory(rootGitDirectoryPath);
db = new Database(rootGitDirectory);
try {
db = new SQLiteWLDatabase(rootGitDirectory);
} catch (SQLException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
projectStore = db.loadProjectStore();
fileStore = db.loadFileStore();
}

10
services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/model/WLProjectStore.java
View file

@ -1,12 +1,15 @@
package uk.ac.ic.wlgitbridge.writelatex.model;
import uk.ac.ic.wlgitbridge.writelatex.model.db.WLDatabase;
import uk.ac.ic.wlgitbridge.writelatex.model.db.WLDatabaseSource;
import java.util.HashMap;
import java.util.Map;
/**
* Created by Winston on 17/11/14.
*/
public class WLProjectStore {
public class WLProjectStore implements WLDatabaseSource {
private final Map<String, WLProject> projects;
@ -25,4 +28,9 @@ public class WLProjectStore {
return project;
}
@Override
public void initFromDatabase(WLDatabase database) {
}
}

54
services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/model/db/Database.java
View file

@ -1,54 +0,0 @@
package uk.ac.ic.wlgitbridge.writelatex.model.db;
import uk.ac.ic.wlgitbridge.writelatex.filestore.store.WLFileStore;
import uk.ac.ic.wlgitbridge.writelatex.model.WLProjectStore;
import java.io.File;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
/**
* Created by Winston on 17/11/14.
*/
public class Database implements WLDatabase {
private final File rootGitDirectory;
public Database(File rootGitDirectory) {
this.rootGitDirectory = rootGitDirectory;
File databaseFile = new File(rootGitDirectory, "/.wlgb/wlgb.db");
System.out.println("Loading data...");
Connection c = null;
Statement stmt = null;
try {
Class.forName("org.sqlite.JDBC");
c = DriverManager.getConnection("jdbc:sqlite:" + databaseFile.getAbsolutePath());
stmt = c.createStatement();
String sql = "CREATE TABLE IF NOT EXISTS COMPANY " +
"(ID INT PRIMARY KEY NOT NULL," +
" NAME TEXT NOT NULL, " +
" AGE INT NOT NULL, " +
" ADDRESS CHAR(50), " +
" SALARY REAL)";
stmt.executeUpdate(sql);
stmt.close();
c.close();
} catch ( Exception e ) {
System.err.println( e.getClass().getName() + ": " + e.getMessage() );
System.exit(0);
}
}
@Override
public WLProjectStore loadProjectStore() {
return new WLProjectStore();
}
@Override
public WLFileStore loadFileStore() {
return new WLFileStore(rootGitDirectory);
}
}

93
services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/model/db/SQLiteWLDatabase.java Normal file
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@ -0,0 +1,93 @@
package uk.ac.ic.wlgitbridge.writelatex.model.db;
import uk.ac.ic.wlgitbridge.writelatex.filestore.store.WLFileStore;
import uk.ac.ic.wlgitbridge.writelatex.model.WLProjectStore;
import java.io.File;
import java.sql.*;
/**
* Created by Winston on 17/11/14.
*/
public class SQLiteWLDatabase implements WLDatabase {
private static final String[] CREATE_TABLE_STATEMENTS = {
"CREATE TABLE IF NOT EXISTS `projects` (\n" +
" `name` varchar(10) NOT NULL DEFAULT '',\n" +
" PRIMARY KEY (`name`)\n" +
")",
"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" +
")",
"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" +
" `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" +
")",
"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"+
" 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"+
")"
};
private static final String addProject =
"INSERT INTO `projects` (`name`) VALUES (?);\n";
private final File rootGitDirectory;
private final Connection connection;
private PreparedStatement addProjectStatement;
public SQLiteWLDatabase(File rootGitDirectory) throws SQLException, ClassNotFoundException {
this.rootGitDirectory = rootGitDirectory;
File databaseFile = new File(rootGitDirectory, "/.wlgb/wlgb.db");
System.out.println("Loading data...");
Class.forName("org.sqlite.JDBC");
connection = DriverManager.getConnection("jdbc:sqlite:" + databaseFile.getAbsolutePath());
createTables();
prepareStatements();
test();
}
private void createTables() throws SQLException {
for (String createTableStatement : CREATE_TABLE_STATEMENTS) {
PreparedStatement preparedStatement = connection.prepareStatement(createTableStatement);
preparedStatement.executeUpdate();
}
}
private void prepareStatements() throws SQLException {
addProjectStatement = connection.prepareStatement(addProject);
}
public void addProject(String name) throws SQLException {
addProjectStatement.setString(1, name);
addProjectStatement.executeUpdate();
addProjectStatement.clearParameters();
}
private void test() throws SQLException {
addProject("testproj12");
}
@Override
public WLProjectStore loadProjectStore() {
return new WLProjectStore();
}
@Override
public WLFileStore loadFileStore() {
return new WLFileStore(rootGitDirectory);
}
}

10
services/git-bridge/src/uk/ac/ic/wlgitbridge/writelatex/model/db/WLDatabaseSource.java Normal file
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@ -0,0 +1,10 @@
package uk.ac.ic.wlgitbridge.writelatex.model.db;
/**
* Created by Winston on 19/11/14.
*/
public interface WLDatabaseSource {
public void initFromDatabase(WLDatabase database);
}