myconnection.java

各种数据保存：字符型

package cn.itcast.jdbc.datasource;

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.List;
import java.util.Map;

class MyConnection implements Connection {
	private List connections;

	private Connection realConn;

	private static int maxUseCount = 100;

	private int currentCount = 0;

	MyConnection(List conns, Connection realConn) {
		this.connections = conns;
		this.realConn = realConn;
	}

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

	public void close() throws SQLException {
		if (this.currentCount < maxUseCount)
			this.connections.add(this);
		else
			this.realConn.close();
	}

	public void commit() throws SQLException {
		this.realConn.commit();

	}

	public Statement createStatement() throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public Statement createStatement(int resultSetType, int resultSetConcurrency)
			throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public Statement createStatement(int resultSetType,
			int resultSetConcurrency, int resultSetHoldability)
			throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public boolean getAutoCommit() throws SQLException {
		// TODO Auto-generated method stub
		return false;
	}

	public String getCatalog() throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public int getHoldability() throws SQLException {
		// TODO Auto-generated method stub
		return 0;
	}

	public DatabaseMetaData getMetaData() throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public int getTransactionIsolation() throws SQLException {
		// TODO Auto-generated method stub
		return 0;
	}

	public Map<String, Class<?>> getTypeMap() throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public SQLWarning getWarnings() throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public boolean isClosed() throws SQLException {
		// TODO Auto-generated method stub
		return false;
	}

	public boolean isReadOnly() throws SQLException {
		// TODO Auto-generated method stub
		return false;
	}

	public String nativeSQL(String sql) throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public CallableStatement prepareCall(String sql) throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public CallableStatement prepareCall(String sql, int resultSetType,
			int resultSetConcurrency) throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public CallableStatement prepareCall(String sql, int resultSetType,
			int resultSetConcurrency, int resultSetHoldability)
			throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public PreparedStatement prepareStatement(String sql) throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
			throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public PreparedStatement prepareStatement(String sql, int[] columnIndexes)
			throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public PreparedStatement prepareStatement(String sql, String[] columnNames)
			throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public PreparedStatement prepareStatement(String sql, int resultSetType,
			int resultSetConcurrency) throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public PreparedStatement prepareStatement(String sql, int resultSetType,
			int resultSetConcurrency, int resultSetHoldability)
			throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public void releaseSavepoint(Savepoint savepoint) throws SQLException {
		// TODO Auto-generated method stub

	}

	public void rollback() throws SQLException {
		// TODO Auto-generated method stub

	}

	public void rollback(Savepoint savepoint) throws SQLException {
		// TODO Auto-generated method stub

	}

	public void setAutoCommit(boolean autoCommit) throws SQLException {
		// TODO Auto-generated method stub

	}

	public void setCatalog(String catalog) throws SQLException {
		// TODO Auto-generated method stub

	}

	public void setHoldability(int holdability) throws SQLException {
		// TODO Auto-generated method stub

	}

	public void setReadOnly(boolean readOnly) throws SQLException {
		// TODO Auto-generated method stub

	}

	public Savepoint setSavepoint() throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public Savepoint setSavepoint(String name) throws SQLException {
		// TODO Auto-generated method stub
		return null;
	}

	public void setTransactionIsolation(int level) throws SQLException {
		// TODO Auto-generated method stub

	}

	public void setTypeMap(Map<String, Class<?>> arg0) throws SQLException {
		// TODO Auto-generated method stub

	}

}