| /* |
| * 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.protocol.v0_8; |
| |
| import org.apache.qpid.server.transport.ProtocolEngine; |
| import org.apache.qpid.server.flow.AbstractFlowCreditManager; |
| |
| public class NoAckCreditManager extends AbstractFlowCreditManager |
| { |
| private final ProtocolEngine _protocolEngine; |
| |
| public NoAckCreditManager(ProtocolEngine protocolEngine) |
| { |
| _protocolEngine = protocolEngine; |
| } |
| |
| @Override |
| public void restoreCredit(final long messageCredit, final long bytesCredit) |
| { |
| setSuspended(!hasCredit()); |
| } |
| |
| @Override |
| public boolean hasCredit() |
| { |
| return !_protocolEngine.isTransportBlockedForWriting(); |
| } |
| |
| @Override |
| public boolean useCreditForMessage(final long msgSize) |
| { |
| if (!hasCredit()) |
| { |
| setSuspended(true); |
| return false; |
| } |
| return true; |
| } |
| } |