| /* |
| * 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.protonj2.engine; |
| |
| import org.apache.qpid.protonj2.buffer.ProtonBuffer; |
| |
| /** |
| * Base class for envelope types that travel through the engine. |
| * |
| * @param <V> The type of body that this {@link PerformativeEnvelope} will carry. |
| */ |
| public abstract class PerformativeEnvelope<V> { |
| |
| private final byte frameType; |
| |
| private V body; |
| private int channel; |
| private ProtonBuffer payload; |
| |
| protected PerformativeEnvelope(byte frameType) { |
| this.frameType = frameType; |
| } |
| |
| PerformativeEnvelope<V> initialize(V body, int channel, ProtonBuffer payload) { |
| this.body = body; |
| this.channel = channel; |
| this.payload = payload; |
| |
| return this; |
| } |
| |
| /** |
| * @return the decoded body of the performative that this envelope carries.. |
| */ |
| public V getBody() { |
| return body; |
| } |
| |
| /** |
| * @return the channel that the wrapped body and payload was sent on |
| */ |
| public int getChannel() { |
| return channel; |
| } |
| |
| /** |
| * @return the frame type that is assigned to this envelope |
| */ |
| public byte getFrameType() { |
| return frameType; |
| } |
| |
| /** |
| * @return the binary payload that was delivered with this envelope |
| */ |
| public ProtonBuffer getPayload() { |
| return payload; |
| } |
| |
| @Override |
| public String toString() { |
| return "PerformativeEnvelope:[" + body + ", " + channel + ", " + ", " + payload + "]"; |
| } |
| } |