org.apache.manifoldcf.crawler.connectors.jdbc
Class JDBCConnection

java.lang.Object
  org.apache.manifoldcf.crawler.connectors.jdbc.JDBCConnection

public class JDBCConnection
extends java.lang.Object

This object describes a connection to a particular JDBC instance.

Nested Class Summary

protected class	JDBCConnection.ExecuteOperationThread
protected class	JDBCConnection.JDBCPSResultSet
protected class	JDBCConnection.JDBCResultSet
protected static class	JDBCConnection.NextResultRowThread
protected class	JDBCConnection.PreparedStatementQueryThread
protected class	JDBCConnection.StatementQueryThread
protected class	JDBCConnection.TestConnectionThread

Field Summary

static java.lang.String	_rcsid
protected java.lang.String	databaseName
protected java.lang.String	host
protected java.lang.String	jdbcProvider
protected java.lang.String	password
protected java.lang.String	userName

Constructor Summary

JDBCConnection(java.lang.String jdbcProvider, java.lang.String host, java.lang.String databaseName, java.lang.String userName, java.lang.String password)
Constructor.

Method Summary

protected static void	cleanupParameters(java.util.ArrayList data) Clean up parameters after query has been triggered.
protected static void	closePS(java.sql.PreparedStatement ps)
protected static void	closeResultset(java.sql.ResultSet rs)
protected static void	closeStmt(java.sql.Statement stmt)
protected static org.apache.manifoldcf.core.interfaces.IResultSet	execute(java.sql.Connection connection, java.lang.String query, java.util.ArrayList params, boolean bResults, int maxResults) Run a query.
void	executeOperation(java.lang.String query, java.util.ArrayList params) Execute operation.
IDynamicResultSet	executeUncachedQuery(java.lang.String query, java.util.ArrayList params, int maxResults) Execute query.
protected static int	findColumn(java.sql.ResultSet rs, java.lang.String name)
protected static java.sql.Blob	getBLOB(java.sql.ResultSet rs, int col)
protected static java.sql.Clob	getCLOB(java.sql.ResultSet rs, int col)
protected static org.apache.manifoldcf.core.interfaces.IResultSet	getData(java.sql.ResultSet rs, int maxResults)
protected static java.lang.Object	getObject(java.sql.ResultSet rs, java.sql.ResultSetMetaData rsmd, int col)
protected static boolean	isBinaryData(java.sql.ResultSetMetaData rsmd, int col)
protected static boolean	isBLOB(java.sql.ResultSetMetaData rsmd, int col)
protected static boolean	isCLOB(java.sql.ResultSetMetaData rsmd, int col)
protected static void	loadPS(java.sql.PreparedStatement ps, java.util.ArrayList data)
protected static java.lang.String[]	readColumnNames(java.sql.ResultSetMetaData rsmd)
protected static org.apache.manifoldcf.core.interfaces.IResultRow	readNextResultRow(java.sql.ResultSet rs, java.sql.ResultSetMetaData rsmd, java.lang.String[] resultCols)
protected static org.apache.manifoldcf.core.interfaces.IResultRow	readNextResultRowViaThread(java.sql.ResultSet rs, java.sql.ResultSetMetaData rsmd, java.lang.String[] resultCols)
protected static org.apache.manifoldcf.core.interfaces.IResultRow	readResultRow(java.sql.ResultSet rs, java.sql.ResultSetMetaData rsmd, java.lang.String[] resultCols) Read the current row from the resultset
void	testConnection() Test connection.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_rcsid

public static final java.lang.String _rcsid

See Also:

Constant Field Values

jdbcProvider

protected java.lang.String jdbcProvider

host

protected java.lang.String host

databaseName

protected java.lang.String databaseName

userName

protected java.lang.String userName

password

protected java.lang.String password

Constructor Detail

JDBCConnection

public JDBCConnection(java.lang.String jdbcProvider,
                      java.lang.String host,
                      java.lang.String databaseName,
                      java.lang.String userName,
                      java.lang.String password)

Constructor.

Method Detail

readNextResultRowViaThread

protected static org.apache.manifoldcf.core.interfaces.IResultRow readNextResultRowViaThread(java.sql.ResultSet rs,
                                                                                             java.sql.ResultSetMetaData rsmd,
                                                                                             java.lang.String[] resultCols)
                                                                                      throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                                                                             org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

readNextResultRow

protected static org.apache.manifoldcf.core.interfaces.IResultRow readNextResultRow(java.sql.ResultSet rs,
                                                                                    java.sql.ResultSetMetaData rsmd,
                                                                                    java.lang.String[] resultCols)
                                                                             throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                                                                    org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

closeResultset

protected static void closeResultset(java.sql.ResultSet rs)
                              throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                     org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

closeStmt

protected static void closeStmt(java.sql.Statement stmt)
                         throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

closePS

protected static void closePS(java.sql.PreparedStatement ps)
                       throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                              org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

testConnection

public void testConnection()
                    throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                           org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Test connection.

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

executeUncachedQuery

public IDynamicResultSet executeUncachedQuery(java.lang.String query,
                                              java.util.ArrayList params,
                                              int maxResults)
                                       throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                              org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Execute query.

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

executeOperation

public void executeOperation(java.lang.String query,
                             java.util.ArrayList params)
                      throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                             org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Execute operation.

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

execute

protected static org.apache.manifoldcf.core.interfaces.IResultSet execute(java.sql.Connection connection,
                                                                          java.lang.String query,
                                                                          java.util.ArrayList params,
                                                                          boolean bResults,
                                                                          int maxResults)
                                                                   throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                                                          org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Run a query. No caching is involved at all at this level.

Parameters:

query - String the query string

maxResults - is the maximum number of results to load: -1 if all

params - ArrayList if params !=null, use preparedStatement

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

readResultRow

protected static org.apache.manifoldcf.core.interfaces.IResultRow readResultRow(java.sql.ResultSet rs,
                                                                                java.sql.ResultSetMetaData rsmd,
                                                                                java.lang.String[] resultCols)
                                                                         throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                                                                org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Read the current row from the resultset

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

readColumnNames

protected static java.lang.String[] readColumnNames(java.sql.ResultSetMetaData rsmd)
                                             throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                                    org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

getData

protected static org.apache.manifoldcf.core.interfaces.IResultSet getData(java.sql.ResultSet rs,
                                                                          int maxResults)
                                                                   throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                                                          org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

loadPS

protected static void loadPS(java.sql.PreparedStatement ps,
                             java.util.ArrayList data)
                      throws java.sql.SQLException,
                             org.apache.manifoldcf.core.interfaces.ManifoldCFException

Throws:

java.sql.SQLException

org.apache.manifoldcf.core.interfaces.ManifoldCFException

cleanupParameters

protected static void cleanupParameters(java.util.ArrayList data)
                                 throws org.apache.manifoldcf.core.interfaces.ManifoldCFException

Clean up parameters after query has been triggered.

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

findColumn

protected static int findColumn(java.sql.ResultSet rs,
                                java.lang.String name)
                         throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

getBLOB

protected static java.sql.Blob getBLOB(java.sql.ResultSet rs,
                                       int col)
                                throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                       org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

getCLOB

protected static java.sql.Clob getCLOB(java.sql.ResultSet rs,
                                       int col)
                                throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                       org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

isBLOB

protected static boolean isBLOB(java.sql.ResultSetMetaData rsmd,
                                int col)
                         throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

isBinaryData

protected static boolean isBinaryData(java.sql.ResultSetMetaData rsmd,
                                      int col)
                               throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                      org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

isCLOB

protected static boolean isCLOB(java.sql.ResultSetMetaData rsmd,
                                int col)
                         throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption

getObject

protected static java.lang.Object getObject(java.sql.ResultSet rs,
                                            java.sql.ResultSetMetaData rsmd,
                                            int col)
                                     throws org.apache.manifoldcf.core.interfaces.ManifoldCFException,
                                            org.apache.manifoldcf.agents.interfaces.ServiceInterruption

Throws:

org.apache.manifoldcf.core.interfaces.ManifoldCFException

org.apache.manifoldcf.agents.interfaces.ServiceInterruption