/**
* 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.ehcache;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import com.springsource.insight.intercept.operation.Operation;
import com.springsource.insight.intercept.topology.AbstractExternalResourceAnalyzer;
import com.springsource.insight.intercept.topology.ExternalResourceDescriptor;
import com.springsource.insight.intercept.topology.ExternalResourceType;
import com.springsource.insight.intercept.topology.MD5NameGenerator;
import com.springsource.insight.intercept.trace.Frame;
import com.springsource.insight.intercept.trace.Trace;
import com.springsource.insight.util.ListUtil;
public class EhcacheExternalResourceAnalyzer extends AbstractExternalResourceAnalyzer {
private static final EhcacheExternalResourceAnalyzer INSTANCE = new EhcacheExternalResourceAnalyzer();
private EhcacheExternalResourceAnalyzer() {
super(EhcacheDefinitions.CACHE_OPERATION);
}
public static final EhcacheExternalResourceAnalyzer getInstance() {
return INSTANCE;
}
public Collection<ExternalResourceDescriptor> locateExternalResourceName(Trace trace, Collection<Frame> cacheFrames) {
if (ListUtil.size(cacheFrames) <= 0) {
return Collections.emptyList();
}
List<ExternalResourceDescriptor> queueDescriptors =
new ArrayList<ExternalResourceDescriptor>(cacheFrames.size());
for (Frame cacheFrame : cacheFrames) {
Operation op = cacheFrame.getOperation();
String label = buildLabel(op);
String hashString = MD5NameGenerator.getName(label);
String color = colorManager.getColor(op);
ExternalResourceDescriptor descriptor =
new ExternalResourceDescriptor(cacheFrame,
EhcacheDefinitions.VENDOR_NAME + ":" + hashString,
label,
ExternalResourceType.CACHE.name(),
EhcacheDefinitions.VENDOR_NAME, color, false);
queueDescriptors.add(descriptor);
}
return queueDescriptors;
}
private String buildLabel(Operation op) {
return op.get(EhcacheDefinitions.NAME_ATTRIBUTE, String.class, "");
}
}