/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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 java.util.EnumSet;
import org.infinispan.eviction.EvictionStrategy;
import org.jboss.as.clustering.controller.ManagementResourceRegistration;
import org.jboss.as.clustering.controller.MetricHandler;
import org.jboss.as.clustering.controller.ResourceDescriptor;
import org.jboss.as.clustering.controller.SimpleResourceRegistration;
import org.jboss.as.clustering.controller.ResourceServiceHandler;
import org.jboss.as.clustering.controller.SimpleAliasEntry;
import org.jboss.as.clustering.controller.SimpleResourceServiceHandler;
import org.jboss.as.clustering.controller.transform.RequiredChildResourceDiscardPolicy;
import org.jboss.as.clustering.controller.validation.EnumValidatorBuilder;
import org.jboss.as.clustering.controller.validation.ParameterValidatorBuilder;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.ModelVersion;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.transform.TransformationContext;
import org.jboss.as.controller.transform.description.AttributeConverter;
import org.jboss.as.controller.transform.description.ResourceTransformationDescriptionBuilder;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Resource description for the addressable resource and its alias:
*
* /subsystem=infinispan/cache-container=X/cache=Y/component=eviction
* /subsystem=infinispan/cache-container=X/cache=Y/eviction=EVICTION
*
* @author Richard Achmatowicz (c) 2011 Red Hat Inc.
*/
public class EvictionResourceDefinition extends ComponentResourceDefinition {
static final PathElement PATH = pathElement("eviction");
static final PathElement LEGACY_PATH = PathElement.pathElement(PATH.getValue(), "EVICTION");
enum Attribute implements org.jboss.as.clustering.controller.Attribute {
STRATEGY("strategy", ModelType.STRING, new ModelNode(EvictionStrategy.NONE.name()), new EnumValidatorBuilder<>(EvictionStrategy.class, EnumSet.complementOf(EnumSet.of(EvictionStrategy.MANUAL)))),
MAX_ENTRIES("max-entries", ModelType.LONG, new ModelNode(-1L)),
;
private final AttributeDefinition definition;
Attribute(String name, ModelType type, ModelNode defaultValue) {
this.definition = createBuilder(name, type, defaultValue).build();
}
Attribute(String name, ModelType type, ModelNode defaultValue, ParameterValidatorBuilder validator) {
SimpleAttributeDefinitionBuilder builder = createBuilder(name, type, defaultValue);
this.definition = builder.setValidator(validator.configure(builder).build()).build();
}
private static SimpleAttributeDefinitionBuilder createBuilder(String name, ModelType type, ModelNode defaultValue) {
return new SimpleAttributeDefinitionBuilder(name, type)
.setAllowExpression(true)
.setRequired(false)
.setDefaultValue(defaultValue)
.setFlags(AttributeAccess.Flag.RESTART_RESOURCE_SERVICES)
;
}
@Override
public AttributeDefinition getDefinition() {
return this.definition;
}
}
static void buildTransformation(ModelVersion version, ResourceTransformationDescriptionBuilder parent) {
ResourceTransformationDescriptionBuilder builder = InfinispanModel.VERSION_4_0_0.requiresTransformation(version) ? parent.addChildRedirection(PATH, LEGACY_PATH, RequiredChildResourceDiscardPolicy.NEVER) : parent.addChildResource(PATH);
if (InfinispanModel.VERSION_4_0_0.requiresTransformation(version)) {
builder.getAttributeBuilder().setValueConverter(new AttributeConverter.DefaultAttributeConverter() {
@Override
protected void convertAttribute(PathAddress address, String attributeName, ModelNode attributeValue, TransformationContext context) {
if (attributeValue.isDefined()) {
attributeValue.set(attributeValue.asInt());
}
}
}, Attribute.MAX_ENTRIES.getDefinition());
}
}
EvictionResourceDefinition() {
super(PATH);
}
@Override
public void register(ManagementResourceRegistration parentRegistration) {
ManagementResourceRegistration registration = parentRegistration.registerSubModel(this);
parentRegistration.registerAlias(LEGACY_PATH, new SimpleAliasEntry(registration));
ResourceDescriptor descriptor = new ResourceDescriptor(this.getResourceDescriptionResolver()).addAttributes(Attribute.class);
ResourceServiceHandler handler = new SimpleResourceServiceHandler<>(address -> new EvictionBuilder(address.getParent()));
new SimpleResourceRegistration(descriptor, handler).register(registration);
if (registration.isRuntimeOnlyRegistrationValid()) {
new MetricHandler<>(new EvictionMetricExecutor(), EvictionMetric.class).register(registration);
}
}
}