ExpirationResourceDefinition.java example

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wildfly-master
/*
 * 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 org.jboss.as.clustering.controller.ManagementResourceRegistration;
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.controller.AttributeDefinition;
import org.jboss.as.controller.ModelVersion;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.client.helpers.MeasurementUnit;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.transform.description.ResourceTransformationDescriptionBuilder;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;

/**
 * Resource description for the addressable resource /subsystem=infinispan/cache-container=X/cache=Y/expiration=EXPIRATION
 *
 * @author Richard Achmatowicz (c) 2011 Red Hat Inc.
 */
public class ExpirationResourceDefinition extends ComponentResourceDefinition {

    static final PathElement PATH = pathElement("expiration");
    static final PathElement LEGACY_PATH = PathElement.pathElement(PATH.getValue(), "EXPIRATION");

    enum Attribute implements org.jboss.as.clustering.controller.Attribute {
        INTERVAL("interval", new ModelNode(60000L)),
        LIFESPAN("lifespan", new ModelNode(-1L)),
        MAX_IDLE("max-idle", new ModelNode(-1L)),
        ;
        private final AttributeDefinition definition;

        Attribute(String name, ModelNode defaultValue) {
            this.definition = new SimpleAttributeDefinitionBuilder(name, ModelType.LONG)
                    .setAllowExpression(true)
                    .setRequired(false)
                    .setDefaultValue(defaultValue)
                    .setFlags(AttributeAccess.Flag.RESTART_RESOURCE_SERVICES)
                    .setMeasurementUnit(MeasurementUnit.MILLISECONDS)
                    .build();
        }

        @Override
        public AttributeDefinition getDefinition() {
            return this.definition;
        }
    }

    static void buildTransformation(ModelVersion version, ResourceTransformationDescriptionBuilder parent) {
        if (InfinispanModel.VERSION_4_0_0.requiresTransformation(version)) {
            parent.addChildRedirection(PATH, LEGACY_PATH, RequiredChildResourceDiscardPolicy.NEVER);
        }
    }

    ExpirationResourceDefinition() {
        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 ExpirationBuilder(address.getParent()));
        new SimpleResourceRegistration(descriptor, handler).register(registration);
    }
}