/**
* Copyright (c) 2009-2011 VMware, Inc. All Rights Reserved.
*
* 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 com.springsource.insight.plugin.eclipse.persistence;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import com.springsource.insight.intercept.metrics.AbstractMetricsGenerator;
import com.springsource.insight.intercept.metrics.MetricsBag;
import com.springsource.insight.intercept.operation.Operation;
import com.springsource.insight.intercept.operation.OperationType;
import com.springsource.insight.intercept.resource.ResourceKey;
import com.springsource.insight.intercept.trace.Frame;
import com.springsource.insight.intercept.trace.Trace;
import com.springsource.insight.util.ListUtil;
import com.springsource.insight.util.StringUtil;
import com.springsource.insight.util.time.TimeRange;
/**
*
*/
public abstract class EclipsePersistenceMetricsGenerator extends AbstractMetricsGenerator {
protected EclipsePersistenceMetricsGenerator(OperationType type) {
super(type);
}
@Override
protected Collection<MetricsBag> addExtraEndPointMetrics(Trace trace, ResourceKey endpointResourceKey, Collection<Frame> frames) {
if (ListUtil.size(frames) <= 0) {
return Collections.emptyList();
}
Collection<MetricsBag> mbList = null;
TimeRange traceRange = trace.getRange();
for (Frame frame : frames) {
Operation op = frame.getOperation();
String actionName = op.get(EclipsePersistenceDefinitions.ACTION_ATTR, String.class);
if (StringUtil.isEmpty(actionName)) {
continue;
}
String baseMetricName = getBaseMetricName(actionName);
if (StringUtil.isEmpty(baseMetricName)) {
continue;
}
MetricsBag mb = MetricsBag.create(endpointResourceKey, traceRange);
addCounterMetricToBag(frame, mb, baseMetricName + "." + INVOCATION_COUNT, 1);
addGaugeMetricToBag(frame, mb, baseMetricName + "." + EXECUTION_TIME);
if (mbList == null) {
mbList = new ArrayList<MetricsBag>(frames.size());
}
mbList.add(mb);
}
if (mbList == null) {
return Collections.emptyList();
} else {
return mbList;
}
}
//because this class inherits from AbstractMetricsGenerator and we don't want to generate the default metrics on the endpoint (only the extras)
//this should be changed sometime (the AbstractMetricsGenerator shouldn't be directly inheritable)
@Override
protected Collection<MetricsBag> generateFramesMetrics(Trace trace, ResourceKey endpointResourceKey, Collection<Frame> frames) {
return new ArrayList<MetricsBag>();
}
protected String getBaseMetricName(String actionName) {
if (StringUtil.isEmpty(actionName)) {
return null;
}
return new StringBuilder(EclipsePersistenceDefinitions.ACTION_ATTR.length() + actionName.length() + 1)
.append(EclipsePersistenceDefinitions.ACTION_ATTR)
.append('.')
.append(actionName)
.toString()
;
}
}