LogBlock/src/bootswithdefer/JDCBPool/JDCConnection.java

package bootswithdefer.JDCBPool;

import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Map;
import java.util.Properties;

/**
 * <b>Purpose:</b>Wrapper for JDBCConnection.<br>
 * <b>Description:</b>http://java.sun.com/developer/onlineTraining/Programming/JDCBook/
 * conpool.html<br>
 * <b>Copyright:</b>Licensed under the Apache License, Version 2.0.
 * http://www.apache.org/licenses/LICENSE-2.0<br>
 * <b>Company:</b>SIMPL<br>
 * 
 * @author schneimi
 * @version $Id$<br>
 * @link http://code.google.com/p/simpl09/
 */
public class JDCConnection implements Connection {
  private ConnectionService pool;
  private Connection conn;
  private boolean inuse;
  private long timestamp;

  public JDCConnection(Connection conn, ConnectionService pool) {
    this.conn = conn;
    this.pool = pool;
    this.inuse = false;
    this.timestamp = 0;
  }

  public synchronized boolean lease() {
    if (inuse) {
      return false;
    } else {
      inuse = true;
      timestamp = System.currentTimeMillis();
      return true;
    }
  }

  public boolean validate() {
    try {
      conn.getMetaData();
    } catch (Exception e) {
      return false;
    }
    return true;
  }

  public boolean inUse() {
    return inuse;
  }

  public long getLastUse() {
    return timestamp;
  }

  public void close() throws SQLException {
    pool.returnConnection(this);
  }

  protected void expireLease() {
    inuse = false;
  }

  protected Connection getConnection() {
    return conn;
  }

  public PreparedStatement prepareStatement(String sql) throws SQLException {
    return conn.prepareStatement(sql);
  }

  public CallableStatement prepareCall(String sql) throws SQLException {
    return conn.prepareCall(sql);
  }

  public Statement createStatement() throws SQLException {
    return conn.createStatement();
  }

  public String nativeSQL(String sql) throws SQLException {
    return conn.nativeSQL(sql);
  }

  public void setAutoCommit(boolean autoCommit) throws SQLException {
    conn.setAutoCommit(autoCommit);
  }

  public boolean getAutoCommit() throws SQLException {
    return conn.getAutoCommit();
  }

  public void commit() throws SQLException {
    conn.commit();
  }

  public void rollback() throws SQLException {
    conn.rollback();
  }

  public boolean isClosed() throws SQLException {
    return conn.isClosed();
  }

  public DatabaseMetaData getMetaData() throws SQLException {
    return conn.getMetaData();
  }

  public void setReadOnly(boolean readOnly) throws SQLException {
    conn.setReadOnly(readOnly);
  }

  public boolean isReadOnly() throws SQLException {
    return conn.isReadOnly();
  }

  public void setCatalog(String catalog) throws SQLException {
    conn.setCatalog(catalog);
  }

  public String getCatalog() throws SQLException {
    return conn.getCatalog();
  }

  public void setTransactionIsolation(int level) throws SQLException {
    conn.setTransactionIsolation(level);
  }

  public int getTransactionIsolation() throws SQLException {
    return conn.getTransactionIsolation();
  }

  public SQLWarning getWarnings() throws SQLException {
    return conn.getWarnings();
  }

  public void clearWarnings() throws SQLException {
    conn.clearWarnings();
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#createArrayOf(java.lang.String, java.lang.Object[])
   */
  @Override
  public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
    return conn.createArrayOf(typeName, elements);
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#createBlob()
   */
  @Override
  public Blob createBlob() throws SQLException {
    return createBlob();
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#createClob()
   */
  @Override
  public Clob createClob() throws SQLException {
    return conn.createClob();
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#createNClob()
   */
  @Override
  public NClob createNClob() throws SQLException {
    return conn.createNClob();
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#createSQLXML()
   */
  @Override
  public SQLXML createSQLXML() throws SQLException {
    return conn.createSQLXML();
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#createStatement(int, int)
   */
  @Override
  public Statement createStatement(int resultSetType, int resultSetConcurrency)
      throws SQLException {
    return conn.createStatement(resultSetType, resultSetConcurrency);
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#createStatement(int, int, int)
   */
  @Override
  public Statement createStatement(int resultSetType, int resultSetConcurrency,
      int resultSetHoldability) throws SQLException {
    return conn
        .createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#createStruct(java.lang.String, java.lang.Object[])
   */
  @Override
  public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
    return conn.createStruct(typeName, attributes);
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#getClientInfo()
   */
  @Override
  public Properties getClientInfo() throws SQLException {
    return conn.getClientInfo();
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#getClientInfo(java.lang.String)
   */
  @Override
  public String getClientInfo(String name) throws SQLException {
    return conn.getClientInfo(name);
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#getHoldability()
   */
  @Override
  public int getHoldability() throws SQLException {
    return conn.getHoldability();
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#getTypeMap()
   */
  @Override
  public Map<String, Class<?>> getTypeMap() throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#isValid(int)
   */
  @Override
  public boolean isValid(int timeout) throws SQLException {
    // TODO Auto-generated method stub
    return false;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#prepareCall(java.lang.String, int, int)
   */
  @Override
  public CallableStatement prepareCall(String sql, int resultSetType,
      int resultSetConcurrency) throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#prepareCall(java.lang.String, int, int, int)
   */
  @Override
  public CallableStatement prepareCall(String sql, int resultSetType,
      int resultSetConcurrency, int resultSetHoldability) throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#prepareStatement(java.lang.String, int)
   */
  @Override
  public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
      throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#prepareStatement(java.lang.String, int[])
   */
  @Override
  public PreparedStatement prepareStatement(String sql, int[] columnIndexes)
      throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#prepareStatement(java.lang.String, java.lang.String[])
   */
  @Override
  public PreparedStatement prepareStatement(String sql, String[] columnNames)
      throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#prepareStatement(java.lang.String, int, int)
   */
  @Override
  public PreparedStatement prepareStatement(String sql, int resultSetType,
      int resultSetConcurrency) throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#prepareStatement(java.lang.String, int, int, int)
   */
  @Override
  public PreparedStatement prepareStatement(String sql, int resultSetType,
      int resultSetConcurrency, int resultSetHoldability) throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#releaseSavepoint(java.sql.Savepoint)
   */
  @Override
  public void releaseSavepoint(Savepoint savepoint) throws SQLException {
    // TODO Auto-generated method stub

  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#rollback(java.sql.Savepoint)
   */
  @Override
  public void rollback(Savepoint savepoint) throws SQLException {
    // TODO Auto-generated method stub

  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#setClientInfo(java.util.Properties)
   */
  @Override
  public void setClientInfo(Properties properties) throws SQLClientInfoException {
    // TODO Auto-generated method stub

  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#setClientInfo(java.lang.String, java.lang.String)
   */
  @Override
  public void setClientInfo(String name, String value) throws SQLClientInfoException {
    // TODO Auto-generated method stub

  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#setHoldability(int)
   */
  @Override
  public void setHoldability(int holdability) throws SQLException {
    // TODO Auto-generated method stub

  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#setSavepoint()
   */
  @Override
  public Savepoint setSavepoint() throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#setSavepoint(java.lang.String)
   */
  @Override
  public Savepoint setSavepoint(String name) throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Connection#setTypeMap(java.util.Map)
   */
  @Override
  public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
    // TODO Auto-generated method stub

  }

  /*
   * (non-Javadoc)
   * @see java.sql.Wrapper#isWrapperFor(java.lang.Class)
   */
  @Override
  public boolean isWrapperFor(Class<?> iface) throws SQLException {
    // TODO Auto-generated method stub
    return false;
  }

  /*
   * (non-Javadoc)
   * @see java.sql.Wrapper#unwrap(java.lang.Class)
   */
  @Override
  public <T> T unwrap(Class<T> iface) throws SQLException {
    // TODO Auto-generated method stub
    return null;
  }
}