/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.sirona.jdbc;
import org.apache.sirona.Role;
import org.apache.sirona.counters.Counter;
import org.apache.sirona.repositories.Repository;
import org.apache.sirona.stopwatches.StopWatch;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.sql.SQLException;
import java.sql.Statement;
public class MonitoredStatement implements InvocationHandler {
private final Statement statement;
public MonitoredStatement(final Statement statement) {
this.statement = statement;
}
protected SQLException monitor(final SQLException sqle) {
final String name = "SQLException:" + sqle.getSQLState() + ":" + sqle.getErrorCode();
Repository.INSTANCE.getCounter(new Counter.Key(Role.FAILURES, name)).add(1);
return sqle;
}
@Override
public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
final String name = method.getName();
if (name.startsWith("execute")) {
final StopWatch stopWatch;
if (name.endsWith("Batch") && (args == null || args.length == 0)) {
stopWatch = Repository.INSTANCE.start(Repository.INSTANCE.getCounter(new Counter.Key(Role.JDBC, "batch")));
} else {
stopWatch = Repository.INSTANCE.start(Repository.INSTANCE.getCounter(new Counter.Key(Role.JDBC, (String) args[0])));
}
try {
return doInvoke(method, args);
} catch (final InvocationTargetException e) {
throw extractSQLException(e);
} finally {
stopWatch.stop();
}
}
return doInvoke(method, args);
}
private Object doInvoke(final Method method, final Object[] args) throws IllegalAccessException, InvocationTargetException {
return method.invoke(statement, args);
}
protected Throwable extractSQLException(final InvocationTargetException e) throws Throwable {
final Throwable th = e.getCause();
if (SQLException.class.isInstance(th)) {
return monitor(SQLException.class.cast(th));
}
return th;
}
}