diff options
Diffstat (limited to 'M4-RCs/qpid/java/management/client/src/main/java/org/apache/qpid/management/messages/ManagementMessage.java')
| -rw-r--r-- | M4-RCs/qpid/java/management/client/src/main/java/org/apache/qpid/management/messages/ManagementMessage.java | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/M4-RCs/qpid/java/management/client/src/main/java/org/apache/qpid/management/messages/ManagementMessage.java b/M4-RCs/qpid/java/management/client/src/main/java/org/apache/qpid/management/messages/ManagementMessage.java deleted file mode 100644 index 2fa20fb456..0000000000 --- a/M4-RCs/qpid/java/management/client/src/main/java/org/apache/qpid/management/messages/ManagementMessage.java +++ /dev/null @@ -1,189 +0,0 @@ -/* - * - * 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.management.messages; - -import java.io.IOException; -import java.nio.ByteBuffer; - -import org.apache.qpid.api.Message; -import org.apache.qpid.management.configuration.Configuration; -import org.apache.qpid.management.domain.services.SequenceNumberGenerator; -import org.apache.qpid.transport.DeliveryProperties; -import org.apache.qpid.transport.Header; -import org.apache.qpid.transport.MessageProperties; -import org.apache.qpid.transport.codec.BBEncoder; - -/** - * Message implementation used for specific management purposes. - * - * @author Andrea Gazzarini - */ -public abstract class ManagementMessage implements Message -{ - /** - * Strategy interface for building / getting data. - * - * @author Andrea Gazzarini - */ - private interface IDataBuilderStrategy - { - ByteBuffer getData(); - }; - - /** - * Strategy used for retrieving raw data from this message when it has been already encoded. - */ - IDataBuilderStrategy READING = new IDataBuilderStrategy() - { - public ByteBuffer getData() { - return _data; - }; - }; - - /** - * Strategy used for retrieving raw data from this message when it hasn't been already encoded. - */ - IDataBuilderStrategy ACCUMULATING = new IDataBuilderStrategy() - { - public ByteBuffer getData() { - _codec.writeInt8((byte)opcode()); - _codec.writeSequenceNo(sequenceNumber()); - - specificMessageEncoding(); - - _data =_codec.segment(); - _reader = READING; - return _data; - } - }; - - protected BBEncoder _codec; - protected ByteBuffer _data; - private int _messageTransferId; - private IDataBuilderStrategy _reader = ACCUMULATING; - - /** - * Builds an empty management message. - */ - ManagementMessage() - { - _codec = new BBEncoder(100); - _codec.writeMagicNumber(); - } - - /** - * Returns the sequence number that will be used for this message. - * - * @return the sequence number that will be used for this message. - */ - protected int sequenceNumber () - { - return SequenceNumberGenerator.getNextSequenceNumber(); - } - - /** - * Returns the opcode that will be used for this message. - * - * @return the opcode that will be used for this message. - */ - abstract char opcode (); - - /** - * Returns the delivery properties of this message. - * - * @return the delivery properties of this message. - */ - public DeliveryProperties getDeliveryProperties () - { - return Configuration.getInstance().getCommandDeliveryProperties(); - } - - /** - * Returns the header of this message. - * - * @return the header of this message. - */ - public Header getHeader () - { - return Configuration.getInstance().getCommandMessageHeader(); - } - - /** - * Returns the messages header properties of this message. - * - * @return the message header properties of this message. - */ - public MessageProperties getMessageProperties () - { - return Configuration.getInstance().getCommandMessageProperties(); - } - - /** - * Returns the transfer Id of this message. - * - * @return the transfer Id of this message. - */ - public int getMessageTransferId () - { - return _messageTransferId; - } - - /** - * Returns the encoded data of this message. - * - * @return the encoded data of this message. - */ - public ByteBuffer readData () throws IOException - { - return _reader.getData(); - } - - /** - * Sets the header for this message. - * - * @param header the new message header. - */ - public void setHeader (Header header) - { - // N.A. at the moment. - } - - public void appendData (byte[] src) throws IOException - { - } - - public void appendData (ByteBuffer src) throws IOException - { - } - - public void clearData () - { - } - - public void readData (byte[] target) throws IOException - { - } - - /** - * Concrete subclasses (message implementations) must define here their specific data encoding. - */ - abstract void specificMessageEncoding(); -}
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