/*
* 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.infinispan.server.commons.controller;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import org.jboss.as.controller.AbstractRuntimeOnlyHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
/**
* Generic {@link org.jboss.as.controller.OperationStepHandler} for runtime operations.
* @author Paul Ferraro
*/
public class OperationHandler<C> extends AbstractRuntimeOnlyHandler implements Registration {
private final Map<String, Operation<C>> operations = new HashMap<>();
private final OperationExecutor<C> executor;
public <O extends Enum<O> & Operation<C>> OperationHandler(OperationExecutor<C> executor, Class<O> operationClass) {
this(executor, operationClass.getEnumConstants());
}
public OperationHandler(OperationExecutor<C> executor, Operation<C>[] operations) {
this(executor, Arrays.asList(operations));
}
public OperationHandler(OperationExecutor<C> executor, Iterable<Operation<C>> operations) {
this.executor = executor;
for (Operation<C> operation : operations) {
this.operations.put(operation.getDefinition().getName(), operation);
}
}
@Override
public void register(ManagementResourceRegistration registration) {
for (Operation<C> operation : this.operations.values()) {
registration.registerOperationHandler(operation.getDefinition(), this);
}
}
@Override
protected void executeRuntimeStep(OperationContext context, ModelNode op) {
String name = Operations.getName(op);
Operation<C> operation = this.operations.get(name);
try {
ModelNode result = this.executor.execute(context, operation);
if (result != null) {
context.getResult().set(result);
}
} catch (OperationFailedException e) {
context.getFailureDescription().set(e.getLocalizedMessage());
}
context.completeStep(OperationContext.ResultHandler.NOOP_RESULT_HANDLER);
}
}