Java tutorial
/*************************************************************************** * Copyright 2015 Kieker Project (http://kieker-monitoring.net) * * 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 kieker.monitoring.probe.aspectj.flow.operationCall; import org.aspectj.lang.JoinPoint.EnclosingStaticPart; import org.aspectj.lang.ProceedingJoinPoint; import org.aspectj.lang.Signature; import org.aspectj.lang.annotation.Around; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Pointcut; import kieker.common.record.flow.trace.TraceMetadata; import kieker.common.record.flow.trace.operation.CallOperationEvent; import kieker.monitoring.core.controller.IMonitoringController; import kieker.monitoring.core.controller.MonitoringController; import kieker.monitoring.core.registry.TraceRegistry; import kieker.monitoring.probe.aspectj.AbstractAspectJProbe; import kieker.monitoring.timer.ITimeSource; /** * @author Jan Waller * * @since 1.5 */ @Aspect public abstract class AbstractAspect extends AbstractAspectJProbe { private static final IMonitoringController CTRLINST = MonitoringController.getInstance(); private static final ITimeSource TIME = CTRLINST.getTimeSource(); private static final TraceRegistry TRACEREGISTRY = TraceRegistry.INSTANCE; /** * The pointcut for the monitored operations. Inheriting classes should extend the pointcut in order to find the correct method calls (e.g. all methods or * only methods with specific annotations). */ @Pointcut public abstract void monitoredOperation(); @Around("monitoredOperation() && this(thisObject) && target(targetObject) && notWithinKieker()") public Object member2memberOperation(final Object thisObject, final Object targetObject, final ProceedingJoinPoint thisJoinPoint, final EnclosingStaticPart thisEnclosingJoinPoint) throws Throwable { // NOCS if (!CTRLINST.isMonitoringEnabled()) { return thisJoinPoint.proceed(); } final String callee = this.signatureToLongString(thisJoinPoint.getSignature()); if (!CTRLINST.isProbeActivated(callee)) { return thisJoinPoint.proceed(); } // common fields TraceMetadata trace = TRACEREGISTRY.getTrace(); final boolean newTrace = trace == null; if (newTrace) { trace = TRACEREGISTRY.registerTrace(); CTRLINST.newMonitoringRecord(trace); } final long traceId = trace.getTraceId(); // caller final String caller = this.signatureToLongString(thisEnclosingJoinPoint.getSignature()); final String callerClazz = thisObject.getClass().getName(); // callee final String calleeClazz = targetObject.getClass().getName(); // measure before call CTRLINST.newMonitoringRecord(new CallOperationEvent(TIME.getTime(), traceId, trace.getNextOrderId(), caller, callerClazz, callee, calleeClazz)); // call of the called method final Object retval; try { retval = thisJoinPoint.proceed(); } finally { if (newTrace) { // close the trace TRACEREGISTRY.unregisterTrace(); } } return retval; } @Around("monitoredOperation() && !this(java.lang.Object) && target(targetObject) && notWithinKieker()") public Object static2memberOperation(final Object targetObject, final ProceedingJoinPoint thisJoinPoint, final EnclosingStaticPart thisEnclosingJoinPoint) throws Throwable { // NOCS if (!CTRLINST.isMonitoringEnabled()) { return thisJoinPoint.proceed(); } final String callee = this.signatureToLongString(thisJoinPoint.getSignature()); if (!CTRLINST.isProbeActivated(callee)) { return thisJoinPoint.proceed(); } // common fields TraceMetadata trace = TRACEREGISTRY.getTrace(); final boolean newTrace = trace == null; if (newTrace) { trace = TRACEREGISTRY.registerTrace(); CTRLINST.newMonitoringRecord(trace); } final long traceId = trace.getTraceId(); // caller final Signature callerSig = thisEnclosingJoinPoint.getSignature(); final String caller = this.signatureToLongString(callerSig); final String callerClazz = callerSig.getDeclaringTypeName(); // callee final String calleeClazz = targetObject.getClass().getName(); // measure before call CTRLINST.newMonitoringRecord(new CallOperationEvent(TIME.getTime(), traceId, trace.getNextOrderId(), caller, callerClazz, callee, calleeClazz)); // call of the called method final Object retval; try { retval = thisJoinPoint.proceed(); } finally { if (newTrace) { // close the trace TRACEREGISTRY.unregisterTrace(); } } return retval; } @Around("monitoredOperation() && this(thisObject) && !target(java.lang.Object) && notWithinKieker()") public Object member2staticOperation(final Object thisObject, final ProceedingJoinPoint thisJoinPoint, final EnclosingStaticPart thisEnclosingJoinPoint) throws Throwable { // NOCS if (!CTRLINST.isMonitoringEnabled()) { return thisJoinPoint.proceed(); } final Signature calleeSig = thisJoinPoint.getSignature(); final String callee = this.signatureToLongString(calleeSig); if (!CTRLINST.isProbeActivated(callee)) { return thisJoinPoint.proceed(); } // common fields TraceMetadata trace = TRACEREGISTRY.getTrace(); final boolean newTrace = trace == null; if (newTrace) { trace = TRACEREGISTRY.registerTrace(); CTRLINST.newMonitoringRecord(trace); } final long traceId = trace.getTraceId(); // caller final String caller = this.signatureToLongString(thisEnclosingJoinPoint.getSignature()); final String callerClazz = thisObject.getClass().getName(); // callee final String calleeClazz = calleeSig.getDeclaringTypeName(); // measure before call CTRLINST.newMonitoringRecord(new CallOperationEvent(TIME.getTime(), traceId, trace.getNextOrderId(), caller, callerClazz, callee, calleeClazz)); // call of the called method final Object retval; try { retval = thisJoinPoint.proceed(); } finally { if (newTrace) { // close the trace TRACEREGISTRY.unregisterTrace(); } } return retval; } @Around("monitoredOperation() && !this(java.lang.Object) && !target(java.lang.Object) && notWithinKieker()") public Object static2staticOperation(final ProceedingJoinPoint thisJoinPoint, final EnclosingStaticPart thisEnclosingJoinPoint) throws Throwable { // NOCS if (!CTRLINST.isMonitoringEnabled()) { return thisJoinPoint.proceed(); } final Signature calleeSig = thisJoinPoint.getSignature(); final String callee = this.signatureToLongString(calleeSig); if (!CTRLINST.isProbeActivated(callee)) { return thisJoinPoint.proceed(); } // common fields TraceMetadata trace = TRACEREGISTRY.getTrace(); final boolean newTrace = trace == null; if (newTrace) { trace = TRACEREGISTRY.registerTrace(); CTRLINST.newMonitoringRecord(trace); } final long traceId = trace.getTraceId(); // caller final Signature callerSig = thisEnclosingJoinPoint.getSignature(); final String caller = this.signatureToLongString(callerSig); final String callerClazz = callerSig.getDeclaringTypeName(); // callee final String calleeClazz = calleeSig.getDeclaringTypeName(); // measure before call CTRLINST.newMonitoringRecord(new CallOperationEvent(TIME.getTime(), traceId, trace.getNextOrderId(), caller, callerClazz, callee, calleeClazz)); // call of the called method final Object retval; try { retval = thisJoinPoint.proceed(); } finally { if (newTrace) { // close the trace TRACEREGISTRY.unregisterTrace(); } } return retval; } }