| |
| /* |
| * |
| * 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.proton.codec.transaction; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import org.apache.qpid.proton.amqp.Binary; |
| import org.apache.qpid.proton.amqp.Symbol; |
| import org.apache.qpid.proton.amqp.UnsignedLong; |
| import org.apache.qpid.proton.amqp.transaction.Declared; |
| import org.apache.qpid.proton.codec.AbstractDescribedType; |
| import org.apache.qpid.proton.codec.DecodeException; |
| import org.apache.qpid.proton.codec.Decoder; |
| import org.apache.qpid.proton.codec.DescribedTypeConstructor; |
| import org.apache.qpid.proton.codec.EncoderImpl; |
| |
| |
| public class DeclaredType extends AbstractDescribedType<Declared,List> implements DescribedTypeConstructor<Declared> |
| { |
| private static final Object[] DESCRIPTORS = |
| { |
| UnsignedLong.valueOf(0x0000000000000033L), Symbol.valueOf("amqp:declared:list"), |
| }; |
| |
| private static final UnsignedLong DESCRIPTOR = UnsignedLong.valueOf(0x0000000000000033L); |
| |
| private DeclaredType(EncoderImpl encoder) |
| { |
| super(encoder); |
| } |
| |
| public UnsignedLong getDescriptor() |
| { |
| return DESCRIPTOR; |
| } |
| |
| @Override |
| protected List wrap(Declared val) |
| { |
| return Collections.singletonList(val.getTxnId()); |
| } |
| |
| public Declared newInstance(Object described) |
| { |
| List l = (List) described; |
| |
| Declared o = new Declared(); |
| |
| if(l.isEmpty()) |
| { |
| throw new DecodeException("The txn-id field cannot be omitted"); |
| } |
| |
| o.setTxnId( (Binary) l.get( 0 ) ); |
| |
| |
| |
| return o; |
| } |
| |
| public Class<Declared> getTypeClass() |
| { |
| return Declared.class; |
| } |
| |
| |
| |
| public static void register(Decoder decoder, EncoderImpl encoder) |
| { |
| DeclaredType type = new DeclaredType(encoder); |
| for(Object descriptor : DESCRIPTORS) |
| { |
| decoder.register(descriptor, type); |
| } |
| encoder.register(type); |
| } |
| } |
| |