/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.clustering.infinispan.subsystem;
import static org.jboss.as.clustering.infinispan.subsystem.DistributedCacheResourceDefinition.Attribute.*;
import org.infinispan.configuration.cache.CacheMode;
import org.infinispan.configuration.cache.ClusteringConfigurationBuilder;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.configuration.cache.HashConfiguration;
import org.infinispan.configuration.cache.HashConfigurationBuilder;
import org.infinispan.configuration.cache.L1Configuration;
import org.infinispan.configuration.global.GlobalConfiguration;
import org.infinispan.distribution.ch.impl.DefaultConsistentHashFactory;
import org.infinispan.distribution.ch.impl.TopologyAwareConsistentHashFactory;
import org.jboss.as.clustering.dmr.ModelNodes;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceTarget;
import org.wildfly.clustering.service.Builder;
import org.wildfly.clustering.service.InjectedValueDependency;
import org.wildfly.clustering.service.ValueDependency;
/**
* Builds the configuration for a distributed cache.
* @author Paul Ferraro
*/
public class DistributedCacheBuilder extends SharedStateCacheBuilder {
private final ValueDependency<GlobalConfiguration> global;
private volatile HashConfiguration hash;
private volatile L1Configuration l1;
private volatile ConsistentHashStrategy consistentHashStrategy;
DistributedCacheBuilder(PathAddress address) {
super(address, CacheMode.DIST_SYNC);
this.global = new InjectedValueDependency<>(CacheContainerResourceDefinition.Capability.CONFIGURATION.getServiceName(address.getParent()), GlobalConfiguration.class);
}
@Override
public ServiceBuilder<Configuration> build(ServiceTarget target) {
return this.global.register(super.build(target));
}
@Override
public Builder<Configuration> configure(OperationContext context, ModelNode model) throws OperationFailedException {
this.consistentHashStrategy = ModelNodes.asEnum(CONSISTENT_HASH_STRATEGY.resolveModelAttribute(context, model), ConsistentHashStrategy.class);
ClusteringConfigurationBuilder builder = new ConfigurationBuilder().clustering();
this.hash = builder.hash()
.capacityFactor(CAPACITY_FACTOR.resolveModelAttribute(context, model).asInt())
.numOwners(OWNERS.resolveModelAttribute(context, model).asInt())
.numSegments(SEGMENTS.resolveModelAttribute(context, model).asInt())
.create();
long l1Lifespan = L1_LIFESPAN.resolveModelAttribute(context, model).asLong();
this.l1 = builder.l1().enabled(l1Lifespan > 0).lifespan(l1Lifespan).create();
return super.configure(context, model);
}
@Override
public void accept(ConfigurationBuilder builder) {
super.accept(builder);
HashConfigurationBuilder hash = builder.clustering()
.l1().read(this.l1)
.hash().read(this.hash);
// ConsistentHashStrategy.INTER_CACHE is Infinispan's default behavior
if (this.consistentHashStrategy == ConsistentHashStrategy.INTRA_CACHE) {
hash.consistentHashFactory(this.global.getValue().transport().hasTopologyInfo() ? new TopologyAwareConsistentHashFactory() : new DefaultConsistentHashFactory());
}
}
}