mirror of
https://github.com/alibaba/druid.git
synced 2023-03-04 19:17:16 +00:00
325 lines
10 KiB
Java
325 lines
10 KiB
Java
/*
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* Copyright 1999-2011 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.druid.mock;
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import java.lang.management.ManagementFactory;
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import java.sql.Blob;
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import java.sql.Clob;
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import java.sql.Connection;
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import java.sql.Driver;
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import java.sql.DriverManager;
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import java.sql.DriverPropertyInfo;
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import java.sql.NClob;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.SQLFeatureNotSupportedException;
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import java.sql.SQLXML;
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import java.util.List;
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import java.util.Properties;
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import java.util.concurrent.CopyOnWriteArrayList;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.logging.Logger;
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import javax.management.MBeanServer;
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import javax.management.ObjectName;
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import com.alibaba.druid.mock.handler.MockExecuteHandler;
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import com.alibaba.druid.mock.handler.MySqlMockExecuteHandlerImpl;
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import com.alibaba.druid.support.logging.Log;
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import com.alibaba.druid.support.logging.LogFactory;
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public class MockDriver implements Driver, MockDriverMBean {
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private final static Log LOG = LogFactory.getLog(MockDriver.class);
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public final static MockExecuteHandler DEFAULT_HANDLER = new MySqlMockExecuteHandlerImpl();
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private String prefix = "jdbc:fake:";
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private String mockPrefix = "jdbc:mock:";
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private MockExecuteHandler executeHandler = DEFAULT_HANDLER;
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public final static MockDriver instance = new MockDriver();
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private final AtomicLong connectCount = new AtomicLong();
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private final AtomicLong connectionCloseCount = new AtomicLong();
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private final AtomicLong connectionIdSeed = new AtomicLong(1000L);
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private final List<MockConnection> connections = new CopyOnWriteArrayList<MockConnection>();
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private long idleTimeCount = 1000 * 60 * 3;
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private boolean logExecuteQueryEnable = true;
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private final static String MBEAN_NAME = "com.alibaba.druid:type=MockDriver";
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static {
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registerDriver(instance);
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}
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public boolean isLogExecuteQueryEnable() {
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return logExecuteQueryEnable;
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}
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public void setLogExecuteQueryEnable(boolean logExecuteQueryEnable) {
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this.logExecuteQueryEnable = logExecuteQueryEnable;
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}
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public long getIdleTimeCount() {
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return idleTimeCount;
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}
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public void setIdleTimeCount(long idleTimeCount) {
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this.idleTimeCount = idleTimeCount;
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}
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public long generateConnectionId() {
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return connectionIdSeed.incrementAndGet();
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}
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public void closeAllConnections() throws SQLException {
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for (int i = 0, size = this.connections.size(); i < size; ++i) {
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Connection conn = this.connections.get(size - i - 1);
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conn.close();
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}
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}
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public int getConnectionsSize() {
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return this.connections.size();
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}
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public List<MockConnection> getConnections() {
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return connections;
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}
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protected void incrementConnectionCloseCount() {
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connectionCloseCount.incrementAndGet();
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}
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public long getConnectionCloseCount() {
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return connectionCloseCount.get();
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}
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protected void afterConnectionClose(MockConnection conn) {
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connectionCloseCount.incrementAndGet();
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connections.remove(conn);
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if (LOG.isDebugEnabled()) {
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LOG.debug("conn-" + conn.getId() + " close");
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}
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}
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public static boolean registerDriver(Driver driver) {
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try {
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DriverManager.registerDriver(driver);
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try {
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MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
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ObjectName objectName = new ObjectName(MBEAN_NAME);
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if (!mbeanServer.isRegistered(objectName)) {
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mbeanServer.registerMBean(instance, objectName);
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}
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} catch (Exception ex) {
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LOG.error("register druid-driver mbean error", ex);
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}
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return true;
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} catch (Exception e) {
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LOG.error("registerDriver error", e);
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}
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return false;
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}
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public MockExecuteHandler getExecuteHandler() {
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return executeHandler;
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}
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public void setExecuteHandler(MockExecuteHandler executeHandler) {
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this.executeHandler = executeHandler;
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}
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@Override
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public Connection connect(String url, Properties info) throws SQLException {
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if (!acceptsURL(url)) {
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return null;
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}
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if (info != null) {
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Object val = info.get("connectSleep");
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if (val != null) {
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long millis = Long.parseLong(val.toString());
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try {
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Thread.sleep(millis);
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} catch (InterruptedException e) {
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// skip
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}
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}
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}
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MockConnection conn = createMockConnection(this, url, info);
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if (LOG.isDebugEnabled()) {
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LOG.debug("connect, url " + url + ", id " + conn.getId());
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}
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if (url == null) {
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connectCount.incrementAndGet();
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connections.add(conn);
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return conn;
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}
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if (url.startsWith(prefix)) {
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String catalog = url.substring(prefix.length());
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conn.setCatalog(catalog);
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connectCount.incrementAndGet();
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connections.add(conn);
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return conn;
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}
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if (url.startsWith(mockPrefix)) {
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String catalog = url.substring(mockPrefix.length());
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conn.setCatalog(catalog);
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connectCount.incrementAndGet();
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connections.add(conn);
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return conn;
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}
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return null;
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}
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@Override
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public boolean acceptsURL(String url) throws SQLException {
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if (url == null) {
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return false;
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}
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return url.startsWith(prefix) || url.startsWith(mockPrefix);
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}
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@Override
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public DriverPropertyInfo[] getPropertyInfo(String url, Properties info) throws SQLException {
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return null;
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}
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@Override
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public int getMajorVersion() {
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return 0;
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}
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@Override
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public int getMinorVersion() {
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return 0;
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}
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@Override
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public boolean jdbcCompliant() {
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return true;
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}
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public ResultSet executeQuery(MockStatementBase stmt, String sql) throws SQLException {
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if (logExecuteQueryEnable && LOG.isDebugEnabled()) {
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LOG.debug("executeQuery " + sql);
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}
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MockConnection conn = stmt.getConnection();
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long idleTimeMillis = System.currentTimeMillis() - conn.getLastActiveTimeMillis();
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if (idleTimeMillis >= this.idleTimeCount) {
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throw new SQLException("connection is idle time count");
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}
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conn.setLastActiveTimeMillis(System.currentTimeMillis());
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handleSleep(conn);
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if ("SELECT value FROM _int_1000_".equalsIgnoreCase(sql)) {
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MockResultSet rs = new MockResultSet(stmt);
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for (int i = 0; i < 1000; ++i) {
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rs.getRows().add(new Object[] { i });
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}
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return rs;
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}
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return this.executeHandler.executeQuery(stmt, sql);
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}
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public void handleSleep(MockConnection conn) {
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if (conn != null) {
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conn.handleSleep();
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}
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}
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protected ResultSet createResultSet(MockPreparedStatement stmt) {
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MockResultSet rs = new MockResultSet(stmt);
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String sql = stmt.getSql();
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if ("SELECT 1".equalsIgnoreCase(sql)) {
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rs.getRows().add(new Object[] { 1 });
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} else if ("SELECT NOW()".equalsIgnoreCase(sql)) {
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rs.getRows().add(new Object[] { new java.sql.Timestamp(System.currentTimeMillis()) });
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} else if ("SELECT ?".equalsIgnoreCase(sql)) {
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rs.getRows().add(new Object[] { stmt.getParameters().get(0) });
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}
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return rs;
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}
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protected Clob createClob(MockConnection conn) throws SQLException {
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return new MockClob();
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}
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protected Blob createBlob(MockConnection conn) throws SQLException {
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return new MockBlob();
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}
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protected NClob createNClob(MockConnection conn) throws SQLException {
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return new MockNClob();
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}
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protected SQLXML createSQLXML(MockConnection conn) throws SQLException {
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return new MockSQLXML();
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}
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public Logger getParentLogger() throws SQLFeatureNotSupportedException {
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throw new SQLFeatureNotSupportedException();
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}
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public MockConnection createMockConnection(MockDriver driver, String url, Properties connectProperties) {
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return new MockConnection(this, url, connectProperties);
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}
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public MockPreparedStatement createMockPreparedStatement(MockConnection conn, String sql) {
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return new MockPreparedStatement(conn, sql);
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}
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public MockStatement createMockStatement(MockConnection conn) {
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return new MockStatement(conn);
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}
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public MockCallableStatement createMockCallableStatement(MockConnection conn, String sql) {
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return new MockCallableStatement(conn, sql);
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}
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}
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