scouter.agent.proxy.TraceSQLFactory Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* Licensed 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 scouter.agent.proxy;
import scouter.agent.Logger;
import scouter.agent.trace.SqlParameter;
public class TraceSQLFactory {
private static final String TRACE_SQL = "scouter.xtra.jdbc.TraceSQL0";
public static final ITraceSQL dummy = new ITraceSQL() {
@Override
public Exception getSlowSqlException() {
return null;
}
@Override
public Exception getTooManyRecordException() {
return null;
}
@Override
public Exception getConnectionOpenFailException() {
return null;
}
@Override
public Object start(Object o, String sql, byte methodType) {
return null;
}
@Override
public Object start(Object o, SqlParameter args, byte methodType) {
return null;
}
@Override
public Object driverConnect(Object conn, String url) {
return null;
}
@Override
public Object getConnection(Object conn) {
return null;
}
@Override
public Object dbcOpenEnd(Object conn, Object stat) {
return null;
}
@Override
public void ctxLookup(Object this1, Object ctx) { }
};
public static ITraceSQL create(ClassLoader parent) {
try {
ClassLoader loader = LoaderManager.getJdbcLoader(parent);
if (loader == null) {
return dummy;
}
Class c = Class.forName(TRACE_SQL, true, loader);
return (ITraceSQL) c.newInstance();
} catch (Throwable e) {
Logger.println("A134", "fail to create ITraceSQL", e);
return dummy;
}
}
}