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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2011, 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.ejb3.subsystem;

import java.util.Collection;
import java.util.List;
import java.util.concurrent.TimeUnit;

import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.ServiceVerificationHandler;
import org.jboss.as.ejb3.cache.spi.BackingCacheEntryStoreConfig;
import org.jboss.as.ejb3.cache.spi.BackingCacheEntryStoreSourceService;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;

/**
 * @author Paul Ferraro
 */
public abstract class PassivationStoreAdd extends AbstractAddStepHandler {

    private final AttributeDefinition[] attributes;
    private AttributeDefinition MAX_SIZE_ATTR = null;

    PassivationStoreAdd(AttributeDefinition... attributes) {
        this.attributes = attributes;
        for (AttributeDefinition attribute : attributes) {
            if (attribute.getName().equals(EJB3SubsystemModel.MAX_SIZE)) {
                MAX_SIZE_ATTR = attribute;
                break;
            }
        }
        if (MAX_SIZE_ATTR == null) {
            throw new IllegalArgumentException("MAX_SIZE should be one of attributes");
        }
    }

    /**
     * Populate the strictMaxPoolModel from the operation
     *
     * @param operation the operation
     * @param model     strict-max-pool ModelNode
     * @throws OperationFailedException
     */
    @Override
    protected void populateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
        for (AttributeDefinition attr : this.attributes) {
            attr.validateAndSet(operation, model);
        }
    }

    @Override
    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model,
                                  ServiceVerificationHandler verificationHandler,
                                  List> serviceControllers) throws OperationFailedException {
        // add this to the service controllers
        serviceControllers.addAll(installRuntimeServices(context, operation, model, verificationHandler));
    }

    abstract Collection> installRuntimeServices(OperationContext context, ModelNode operation, ModelNode model, ServiceVerificationHandler verificationHandler) throws OperationFailedException;

    ServiceController installBackingCacheEntryStoreSourceService(final BackingCacheEntryStoreSourceService service, final OperationContext context,
                                                                    final ModelNode model, final ServiceVerificationHandler verificationHandler) throws OperationFailedException {
        BackingCacheEntryStoreConfig config = service.getValue();
        config.setIdleTimeout(PassivationStoreResourceDefinition.IDLE_TIMEOUT.resolveModelAttribute(context, model).asLong());
        config.setIdleTimeoutUnit(TimeUnit.valueOf(PassivationStoreResourceDefinition.IDLE_TIMEOUT_UNIT.resolveModelAttribute(context, model).asString()));
        ModelNode maxSizeModel = MAX_SIZE_ATTR.resolveModelAttribute(context, model);
        if (maxSizeModel.isDefined()) {
            config.setMaxSize(maxSizeModel.asInt());
        }
        ServiceBuilder builder = service.build(context.getServiceTarget());
        if (verificationHandler != null) {
            builder.addListener(verificationHandler);
        }
        return builder.setInitialMode(ServiceController.Mode.ON_DEMAND).install();
    }
}