/*
* 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 static org.jboss.as.controller.descriptions.ModelDescriptionConstants.NAME;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.operations.validation.ParametersValidator;
import org.jboss.dmr.ModelNode;
/**
* Attribute handler for cache-container resource.
*
* @author Richard Achmatowicz (c) 2011 Red Hat Inc.
*/
public class CacheReadAttributeHandler implements OperationStepHandler {
public static final CacheReadAttributeHandler INSTANCE = new CacheReadAttributeHandler();
private final ParametersValidator nameValidator = new ParametersValidator();
private CacheReadAttributeHandler() {
}
/**
* A read handler which performs special processing for MODE attributes
*
* @param context the operation context
* @param operation the operation being executed
* @throws org.jboss.as.controller.OperationFailedException
*/
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
nameValidator.validate(operation);
final String attributeName = operation.require(NAME).asString();
final ModelNode submodel = context.readResource(PathAddress.EMPTY_ADDRESS).getModel();
final ModelNode currentValue = submodel.get(attributeName).clone();
context.getResult().set(currentValue);
// since we are not updating the model, there is no need for a RUNTIME step
context.stepCompleted();
}
}