kieker.monitoring.probe.aspectj.flow.constructorExecutionObject.AbstractAspect.java Source code

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Here is the source code for kieker.monitoring.probe.aspectj.flow.constructorExecutionObject.AbstractAspect.java

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/***************************************************************************
 * 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.constructorExecutionObject;

import org.aspectj.lang.ProceedingJoinPoint;
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.constructor.object.AfterConstructorFailedObjectEvent;
import kieker.common.record.flow.trace.operation.constructor.object.AfterConstructorObjectEvent;
import kieker.common.record.flow.trace.operation.constructor.object.BeforeConstructorObjectEvent;
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 1.10
 */
@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 constructors. Inheriting classes should extend the pointcut in order to find the correct constructor executions (e.g. all
     * constructors or only constructors with specific annotations).
     */
    @Pointcut
    public abstract void monitoredConstructor();

    /**
     * The advice used around the constructor executions.
     *
     * @param thisObject
     * @param thisJoinPoint
     *
     * @return The result of the joint point's {@code proceed} method.
     *
     * @throws Throwable
     */
    @Around("monitoredConstructor() && this(thisObject) && notWithinKieker()")
    public Object constructor(final Object thisObject, final ProceedingJoinPoint thisJoinPoint) throws Throwable { // NOCS (Throwable)
        if (!CTRLINST.isMonitoringEnabled()) {
            return thisJoinPoint.proceed();
        }
        final String operationSignature = this.signatureToLongString(thisJoinPoint.getSignature());
        if (!CTRLINST.isProbeActivated(operationSignature)) {
            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();
        final String clazz = thisObject.getClass().getName();
        final int objectId = System.identityHashCode(thisObject);
        // measure before execution
        CTRLINST.newMonitoringRecord(new BeforeConstructorObjectEvent(TIME.getTime(), traceId,
                trace.getNextOrderId(), operationSignature, clazz, objectId));
        // execution of the called method
        final Object retval;
        try {
            retval = thisJoinPoint.proceed();
        } catch (final Throwable th) { // NOPMD NOCS (catch throw might ok here)
            // measure after failed execution
            CTRLINST.newMonitoringRecord(new AfterConstructorFailedObjectEvent(TIME.getTime(), traceId,
                    trace.getNextOrderId(), operationSignature, clazz, th.toString(), objectId));
            throw th;
        } finally {
            if (newTrace) { // close the trace
                TRACEREGISTRY.unregisterTrace();
            }
        }
        // measure after successful execution
        CTRLINST.newMonitoringRecord(new AfterConstructorObjectEvent(TIME.getTime(), traceId,
                trace.getNextOrderId(), operationSignature, clazz, objectId));
        return retval;
    }
}