net.sf.ehcache.management.service.impl.CacheEntityBuilder Maven / Gradle / Ivy
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A product library implementing the ehcache management resource service interfaces and integrating with ehcache to construct the relevant management resource entities.
/*
* All content copyright (c) 2003-2012 Terracotta, Inc., except as may otherwise be noted in a separate copyright
* notice. All rights reserved.
*/
package net.sf.ehcache.management.service.impl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import net.sf.ehcache.management.resource.CacheEntity;
import net.sf.ehcache.management.sampled.CacheSampler;
import net.sf.ehcache.management.service.AccessorPrefix;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.terracotta.management.resource.AgentEntity;
/**
* @author brandony
*/
final class CacheEntityBuilder extends ConstrainableEntityBuilderSupport {
private static final Logger LOG = LoggerFactory.getLogger(CacheEntityBuilder.class);
private static final String C_NAME_ACCESSOR = AccessorPrefix.get + "CacheName";
private final Map> samplersByCMName = new HashMap>();
static CacheEntityBuilder createWith(CacheSampler sampler,
String cacheManagerName) {
return new CacheEntityBuilder(sampler, cacheManagerName);
}
private CacheEntityBuilder(CacheSampler sampler,
String cacheManagerName) {
addSampler(sampler, cacheManagerName);
}
CacheEntityBuilder add(CacheSampler sampler,
String cacheManagerName) {
addSampler(sampler, cacheManagerName);
return this;
}
CacheEntityBuilder add(Set constraintAttributes) {
addConstraints(constraintAttributes);
return this;
}
Collection build() {
Collection ces = new ArrayList(samplersByCMName.values().size());
for (Map.Entry> entry : samplersByCMName.entrySet()) {
for (CacheSampler sampler : entry.getValue()) {
CacheEntity ce = new CacheEntity();
ce.setCacheManagerName(entry.getKey());
ce.setName(sampler.getCacheName());
ce.setAgentId(AgentEntity.EMBEDDED_AGENT_ID);
ce.setVersion(this.getClass().getPackage().getImplementationVersion());
if (getAttributeConstraints() != null && !getAttributeConstraints().isEmpty() && getAttributeConstraints()
.size() < CacheSampler.class.getMethods().length) {
buildAttributeMapByAttribute(CacheSampler.class, sampler, ce.getAttributes(), getAttributeConstraints(),
C_NAME_ACCESSOR);
} else {
buildAttributeMapByApi(CacheSampler.class, sampler, ce.getAttributes(), getAttributeConstraints(),
C_NAME_ACCESSOR);
}
ces.add(ce);
}
}
return ces;
}
Logger getLog() {
return LOG;
}
@Override
protected Set getExcludedAttributeNames(CacheSampler sampler) {
if (sampler.isLocalHeapCountBased()) {
Set excludedNames = new HashSet();
excludedNames.add("LocalHeapSizeInBytes");
excludedNames.add("LocalHeapSizeInBytesSample");
return excludedNames;
}
return Collections.emptySet();
}
private void addSampler(CacheSampler sampler,
String cacheManagerName) {
if (sampler == null) throw new IllegalArgumentException("sampler == null");
if (cacheManagerName == null) throw new IllegalArgumentException("cacheManagerName == null");
Set samplers = samplersByCMName.get(cacheManagerName);
if (samplers == null) {
samplers = new HashSet();
samplersByCMName.put(cacheManagerName, samplers);
}
samplers.add(sampler);
}
}
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