| /* |
| * |
| * 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.qpid.server.subscription; |
| |
| import java.util.Map; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.common.AMQPFilterTypes; |
| import org.apache.qpid.framing.AMQShortString; |
| import org.apache.qpid.framing.FieldTable; |
| import org.apache.qpid.protocol.AMQConstant; |
| import org.apache.qpid.server.AMQChannel; |
| import org.apache.qpid.server.filter.FilterManager; |
| import org.apache.qpid.server.flow.FlowCreditManager; |
| import org.apache.qpid.server.flow.FlowCreditManager_0_10; |
| import org.apache.qpid.server.protocol.AMQProtocolSession; |
| import org.apache.qpid.server.transport.ServerSession; |
| import org.apache.qpid.transport.MessageAcceptMode; |
| import org.apache.qpid.transport.MessageAcquireMode; |
| import org.apache.qpid.transport.MessageFlowMode; |
| |
| public class SubscriptionFactoryImpl implements SubscriptionFactory |
| { |
| private static final AtomicLong SUB_ID_GENERATOR = new AtomicLong(0); |
| |
| public Subscription createSubscription(int channelId, AMQProtocolSession protocolSession, |
| AMQShortString consumerTag, boolean acks, FieldTable filters, |
| boolean noLocal, FlowCreditManager creditManager) throws AMQException |
| { |
| AMQChannel channel = protocolSession.getChannel(channelId); |
| if (channel == null) |
| { |
| throw new AMQException(AMQConstant.NOT_FOUND, "channel :" + channelId + " not found in protocol session"); |
| } |
| ClientDeliveryMethod clientMethod = channel.getClientDeliveryMethod(); |
| RecordDeliveryMethod recordMethod = channel.getRecordDeliveryMethod(); |
| |
| |
| return createSubscription(channel, protocolSession, consumerTag, acks, filters, |
| noLocal, |
| creditManager, |
| clientMethod, |
| recordMethod |
| ); |
| } |
| |
| public Subscription createSubscription(final AMQChannel channel, |
| final AMQProtocolSession protocolSession, |
| final AMQShortString consumerTag, |
| final boolean acks, |
| final FieldTable filters, |
| final boolean noLocal, |
| final FlowCreditManager creditManager, |
| final ClientDeliveryMethod clientMethod, |
| final RecordDeliveryMethod recordMethod |
| ) |
| throws AMQException |
| { |
| boolean isBrowser; |
| |
| if (filters != null) |
| { |
| Boolean isBrowserObj = (Boolean) filters.get(AMQPFilterTypes.NO_CONSUME.getValue()); |
| isBrowser = (isBrowserObj != null) && isBrowserObj.booleanValue(); |
| } |
| else |
| { |
| isBrowser = false; |
| } |
| |
| if(isBrowser) |
| { |
| return new SubscriptionImpl.BrowserSubscription(channel, protocolSession, consumerTag, filters, noLocal, creditManager, clientMethod, recordMethod, getNextSubscriptionId()); |
| } |
| else if(acks) |
| { |
| return new SubscriptionImpl.AckSubscription(channel, protocolSession, consumerTag, filters, noLocal, creditManager, clientMethod, recordMethod, getNextSubscriptionId()); |
| } |
| else |
| { |
| return new SubscriptionImpl.NoAckSubscription(channel, protocolSession, consumerTag, filters, noLocal, creditManager, clientMethod, recordMethod, getNextSubscriptionId()); |
| } |
| } |
| |
| public SubscriptionImpl.GetNoAckSubscription createBasicGetNoAckSubscription(final AMQChannel channel, |
| final AMQProtocolSession session, |
| final AMQShortString consumerTag, |
| final FieldTable filters, |
| final boolean noLocal, |
| final FlowCreditManager creditManager, |
| final ClientDeliveryMethod deliveryMethod, |
| final RecordDeliveryMethod recordMethod) throws AMQException |
| { |
| return new SubscriptionImpl.GetNoAckSubscription(channel, session, null, null, false, creditManager, deliveryMethod, recordMethod, getNextSubscriptionId()); |
| } |
| |
| public Subscription_0_10 createSubscription(final ServerSession session, |
| final String destination, |
| final MessageAcceptMode acceptMode, |
| final MessageAcquireMode acquireMode, |
| final MessageFlowMode flowMode, |
| final FlowCreditManager_0_10 creditManager, |
| final FilterManager filterManager, |
| final Map<String,Object> arguments) |
| { |
| return new Subscription_0_10(session, destination, acceptMode, acquireMode, |
| flowMode, creditManager, filterManager, arguments, getNextSubscriptionId()); |
| } |
| |
| public static final SubscriptionFactoryImpl INSTANCE = new SubscriptionFactoryImpl(); |
| |
| private static long getNextSubscriptionId() |
| { |
| return SUB_ID_GENERATOR.getAndIncrement(); |
| } |
| } |