_connection.java

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package com.test.dao.pool;

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Savepoint;
import java.sql.Statement;
import java.util.Map;

//装饰类
public class _Connection implements Connection {
	private Connection connection;
	private boolean isWorking;
    private long lastAccessTime = System.currentTimeMillis();
	
	public _Connection(Connection connection,boolean isWorking){
		this.connection = connection;
		this.isWorking = isWorking;
	}
	
	/**
	 * 彻底销毁
	 */
	public void destroy(){
		if(this.connection != null){
			try {
				this.connection.close();
			} catch (SQLException e) {
				this.connection = null;
			}
		}
	}
	
	/**
	 * 关闭
	 */
	public void close() throws SQLException {
		this.setWorking(false);
	}

	public boolean isWorking() {
		return isWorking;
	}
	public void setWorking(boolean isWorking) {
		this.lastAccessTime = System.currentTimeMillis();
		this.isWorking = isWorking;
	}

	public long getLastAccessTime() {
		return lastAccessTime;
	}

	public void clearWarnings() throws SQLException {
		this.connection.clearWarnings();
	}


	public void commit() throws SQLException {
		this.connection.commit();		
	}

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

	public Statement createStatement(int resultSetType,
			int resultSetConcurrency, int resultSetHoldability)
			throws SQLException {
		return this.connection.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
	}

	public Statement createStatement(int resultSetType, int resultSetConcurrency)
			throws SQLException {
		return this.connection.createStatement(resultSetType, resultSetConcurrency);
	}

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

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

	public int getHoldability() throws SQLException {
		return this.connection.getHoldability();
	}

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

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

	public Map<String, Class<?>> getTypeMap() throws SQLException {
		return this.connection.getTypeMap();
	}

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

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

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

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

	public CallableStatement prepareCall(String sql, int resultSetType,
			int resultSetConcurrency, int resultSetHoldability)
			throws SQLException {
		return this.connection.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
	}

	public CallableStatement prepareCall(String sql, int resultSetType,
			int resultSetConcurrency) throws SQLException {
		return this.connection.prepareCall(sql, resultSetType, resultSetConcurrency);
	}

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

	public PreparedStatement prepareStatement(String sql, int resultSetType,
			int resultSetConcurrency, int resultSetHoldability)
			throws SQLException {
		return this.connection.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
	}

	public PreparedStatement prepareStatement(String sql, int resultSetType,
			int resultSetConcurrency) throws SQLException {
		return this.connection.prepareStatement(sql, resultSetType, resultSetConcurrency);
	}

	public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
			throws SQLException {
		return this.connection.prepareStatement(sql, autoGeneratedKeys);
	}

	public PreparedStatement prepareStatement(String sql, int[] columnIndexes)
			throws SQLException {
		return this.connection.prepareStatement(sql, columnIndexes);
	}

	public PreparedStatement prepareStatement(String sql, String[] columnNames)
			throws SQLException {
		return this.connection.prepareStatement(sql, columnNames);
	}

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

	public void releaseSavepoint(Savepoint savepoint) throws SQLException {
		this.connection.releaseSavepoint(savepoint);
	}

	public void rollback() throws SQLException {
		this.connection.rollback();
	}

	public void rollback(Savepoint savepoint) throws SQLException {
		this.connection.rollback(savepoint);
	}

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

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

	public void setHoldability(int holdability) throws SQLException {
		this.connection.setHoldability(holdability);
	}

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

	public Savepoint setSavepoint() throws SQLException {
		return this.connection.setSavepoint();
	}

	public Savepoint setSavepoint(String name) throws SQLException {
		return this.connection.setSavepoint(name);
	}

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

	public void setTypeMap(Map<String, Class<?>> map) throws SQLException {
		this.connection.setTypeMap(map);
	}
}