Package org.jboss.as.messaging

Source Code of org.jboss.as.messaging.QueueControlHandler

/*
* 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.messaging;

import java.util.EnumSet;
import java.util.Locale;

import org.hornetq.api.core.management.QueueControl;
import org.hornetq.api.core.management.ResourceNames;
import org.hornetq.core.server.HornetQServer;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.descriptions.DescriptionProvider;
import org.jboss.as.controller.operations.validation.ModelTypeValidator;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;

/**
* Handler for runtime operations that invoke on a HornetQ {@link org.hornetq.api.core.management.QueueControl}.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class QueueControlHandler extends AbstractQueueControlHandler<QueueControl> {

    public static final QueueControlHandler INSTANCE = new QueueControlHandler();

    public static final String LIST_SCHEDULED_MESSAGES = "list-scheduled-messages";
    public static final String LIST_SCHEDULED_MESSAGES_AS_JSON = "list-scheduled-messages-as-json";

    private QueueControlHandler() {
        super(new ModelTypeValidator(ModelType.LONG));
    }

    @Override
    public void registerOperations(ManagementResourceRegistration registry) {
        super.registerOperations(registry);

        final EnumSet<OperationEntry.Flag> flags = EnumSet.of(OperationEntry.Flag.READ_ONLY, OperationEntry.Flag.RUNTIME_ONLY);

        registry.registerOperationHandler(LIST_SCHEDULED_MESSAGES, this, new DescriptionProvider() {
            @Override
            public ModelNode getModelDescription(Locale locale) {
                return MessagingDescriptions.getListScheduledMessages(locale);
            }
        }, flags);

        registry.registerOperationHandler(LIST_SCHEDULED_MESSAGES_AS_JSON, this, new DescriptionProvider() {
            @Override
            public ModelNode getModelDescription(Locale locale) {
                return MessagingDescriptions.getNoArgSimpleReplyOperation(locale, LIST_SCHEDULED_MESSAGES_AS_JSON, "queue", ModelType.STRING, true);
            }
        }, flags);
    }

    @Override
    protected Object handleAdditionalOperation(String operationName, ModelNode operation, OperationContext context,
                                               QueueControl queueControl) throws OperationFailedException {
        try {
            if (LIST_SCHEDULED_MESSAGES.equals(operationName)) {
                String json = queueControl.listScheduledMessagesAsJSON();
                context.getResult().set(ModelNode.fromJSONString(json));
            } else if (LIST_SCHEDULED_MESSAGES_AS_JSON.equals(operationName)) {
                context.getResult().set(queueControl.listScheduledMessagesAsJSON());
            } else {
                // Bug
                throwUnimplementedOperationException(operationName);
            }
        } catch (RuntimeException e) {
            throw e;
        } catch (Exception e) {
            context.getFailureDescription().set(e.getLocalizedMessage());
        }

        return null;
    }

    @Override
    protected void revertAdditionalOperation(String operationName, ModelNode operation, OperationContext context, QueueControl queueControl, Object handback) {
        // no-op
    }


    @Override
    public boolean isJMS() {
        return false;
    }

    @Override
    protected DelegatingQueueControl<QueueControl> getQueueControl(HornetQServer hqServer, String queueName) {
        final QueueControl control = QueueControl.class.cast(hqServer.getManagementService().getResource(ResourceNames.CORE_QUEUE + queueName));
        return new DelegatingQueueControl<QueueControl>() {

            public QueueControl getDelegate() {
                return control;
            }
            @Override
            public String listMessagesAsJSON(String filter) throws Exception {
                return control.listMessagesAsJSON(filter);
            }

            @Override
            public long countMessages(String filter) throws Exception {
                return control.countMessages(filter);
            }

            @Override
            public boolean removeMessage(ModelNode id) throws Exception {
                return control.removeMessage(id.asLong());
            }

            @Override
            public int removeMessages(String filter) throws Exception {
                return control.removeMessages(filter);
            }

            @Override
            public int expireMessages(String filter) throws Exception {
                return control.expireMessages(filter);
            }

            @Override
            public boolean expireMessage(ModelNode id) throws Exception {
                return control.expireMessage(id.asLong());
            }

            @Override
            public boolean sendMessageToDeadLetterAddress(ModelNode id) throws Exception {
                return control.sendMessageToDeadLetterAddress(id.asLong());
            }

            @Override
            public int sendMessagesToDeadLetterAddress(String filter) throws Exception {
                return control.sendMessagesToDeadLetterAddress(filter);
            }

            @Override
            public boolean changeMessagePriority(ModelNode id, int priority) throws Exception {
                return control.changeMessagePriority(id.asLong(), priority);
            }

            @Override
            public int changeMessagesPriority(String filter, int priority) throws Exception {
                return control.changeMessagesPriority(filter, priority);
            }

            @Override
            public boolean moveMessage(ModelNode id, String otherQueue) throws Exception {
                return control.moveMessage(id.asLong(), otherQueue);
            }

            @Override
            public boolean moveMessage(ModelNode id, String otherQueue, boolean rejectDuplicates) throws Exception {
                return control.moveMessage(id.asLong(), otherQueue, rejectDuplicates);
            }

            @Override
            public int moveMessages(String filter, String otherQueue) throws Exception {
                return control.moveMessages(filter, otherQueue);
            }

            @Override
            public int moveMessages(String filter, String otherQueue, boolean rejectDuplicates) throws Exception {
                return control.moveMessages(filter, otherQueue, rejectDuplicates);
            }

            @Override
            public String listMessageCounter() throws Exception {
                return control.listMessageCounter();
            }

            @Override
            public void resetMessageCounter() throws Exception {
                control.resetMessageCounter();
            }

            @Override
            public String listMessageCounterAsHTML() throws Exception {
                return control.listMessageCounterAsHTML();
            }

            @Override
            public String listMessageCounterHistory() throws Exception {
                return control.listMessageCounterHistory();
            }

            @Override
            public String listMessageCounterHistoryAsHTML() throws Exception {
                return control.listMessageCounterHistoryAsHTML();
            }

            @Override
            public void pause() throws Exception {
                control.pause();
            }

            @Override
            public void resume() throws Exception {
                control.resume();
            }

            @Override
            public String listConsumersAsJSON() throws Exception {
                return control.listConsumersAsJSON();
            }
        };
    }
}
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