| /* |
| * 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.usergrid.mq.cassandra.io; |
| |
| |
| import java.util.UUID; |
| |
| import org.apache.usergrid.mq.QueueQuery; |
| |
| import me.prettyprint.hector.api.Keyspace; |
| |
| |
| /** |
| * Reads from the queue without starting transactions. |
| * |
| * @author tnine |
| */ |
| public class EndSearch extends NoTransactionSearch |
| { |
| |
| /** |
| * @param ko |
| * @param cassTimestamp |
| */ |
| public EndSearch( Keyspace ko ) |
| { |
| super( ko ); |
| } /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.usergrid.mq.cassandra.io.NoTransaction#getParams(java.util.UUID, |
| * java.util.UUID, org.apache.usergrid.mq.QueueQuery) |
| */ |
| |
| |
| @Override |
| protected SearchParam getParams( UUID queueId, UUID consumerId, QueueQuery query ) |
| { |
| UUID lastMessageId = query.getLastMessageId(); |
| return new SearchParam( lastMessageId, true, lastMessageId != null, query.getLimit( DEFAULT_READ ) ); |
| } |
| |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.apache.usergrid.mq.cassandra.io.FifoSearch#writeClientPointer(java.util.UUID, |
| * java.util.UUID, java.util.UUID) |
| */ |
| @Override |
| protected void writeClientPointer( UUID queueId, UUID consumerId, UUID lastReturnedId ) |
| { |
| // no op for searches from the end |
| } |
| } |