/*
*
* 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.type.transaction;
import java.util.List;
import java.util.AbstractList;
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.type.*;
public class Discharge
implements DescribedType
{
private static final Object[] DESCRIPTORS =
{
UnsignedLong.valueOf(0x0000000000000032L), Symbol.valueOf("amqp:discharge:list"),
};
private static final UnsignedLong DESCRIPTOR = UnsignedLong.valueOf(0x0000000000000032L);
private final DischargeWrapper _wrapper = new DischargeWrapper();
private Binary _txnId;
private Boolean _fail;
public Binary getTxnId()
{
return _txnId;
}
public void setTxnId(Binary txnId)
{
if( txnId == null )
{
throw new NullPointerException("the txn-id field is mandatory");
}
_txnId = txnId;
}
public Boolean getFail()
{
return _fail;
}
public void setFail(Boolean fail)
{
_fail = fail;
}
public Object getDescriptor()
{
return DESCRIPTOR;
}
public Object getDescribed()
{
return _wrapper;
}
public Object get(final int index)
{
switch(index)
{
case 0:
return _txnId;
case 1:
return _fail;
}
throw new IllegalStateException("Unknown index " + index);
}
public int size()
{
return _fail != null
? 2
: 1;
}
public final class DischargeWrapper extends AbstractList
{
@Override
public Object get(final int index)
{
return Discharge.this.get(index);
}
@Override
public int size()
{
return Discharge.this.size();
}
}
private static class DischargeConstructor implements DescribedTypeConstructor<Discharge>
{
public Discharge newInstance(Object described)
{
List l = (List) described;
Discharge o = new Discharge();
if(l.size() <= 0)
{
throw new DecodeException("The txn-id field cannot be omitted");
}
switch(2 - l.size())
{
case 0:
o.setFail( (Boolean) l.get( 1 ) );
case 1:
o.setTxnId( (Binary) l.get( 0 ) );
}
return o;
}
public Class<Discharge> getTypeClass()
{
return Discharge.class;
}
}
public static void register(Decoder decoder)
{
DischargeConstructor constructor = new DischargeConstructor();
for(Object descriptor : DESCRIPTORS)
{
decoder.register(descriptor, constructor);
}
}
}