| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.activemq.broker.region; |
| |
| import org.apache.activemq.command.ActiveMQMessage; |
| import org.apache.activemq.command.ConsumerId; |
| import org.apache.activemq.command.Message; |
| import org.apache.activemq.command.MessageId; |
| |
| /** |
| * Only used by the {@link QueueMessageReference#NULL_MESSAGE} |
| */ |
| final class NullMessageReference implements QueueMessageReference { |
| |
| private final ActiveMQMessage message = new ActiveMQMessage(); |
| private volatile int references; |
| |
| public void drop() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public LockOwner getLockOwner() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public boolean isAcked() { |
| return false; |
| } |
| |
| public boolean isDropped() { |
| return false; |
| } |
| |
| public boolean lock(LockOwner subscription) { |
| return true; |
| } |
| |
| public void setAcked(boolean b) { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public boolean unlock() { |
| return true; |
| } |
| |
| public int decrementReferenceCount() { |
| return --references; |
| } |
| |
| public long getExpiration() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public String getGroupID() { |
| return null; |
| } |
| |
| public int getGroupSequence() { |
| return 0; |
| } |
| |
| public Message getMessage() { |
| return message; |
| } |
| |
| public Message getMessageHardRef() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public MessageId getMessageId() { |
| return message.getMessageId(); |
| } |
| |
| public int getRedeliveryCounter() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public int getReferenceCount() { |
| return references; |
| } |
| |
| public Destination getRegionDestination() { |
| return null; |
| } |
| |
| public int getSize() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public ConsumerId getTargetConsumerId() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public void incrementRedeliveryCounter() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public int incrementReferenceCount() { |
| return ++references; |
| } |
| |
| public boolean isExpired() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public boolean isPersistent() { |
| throw new RuntimeException("not implemented"); |
| } |
| |
| public boolean isAdvisory() { |
| return false; |
| } |
| |
| } |