/*
*
* 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.transport;
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 Disposition
implements DescribedType , FrameBody
{
private static final Object[] DESCRIPTORS =
{
UnsignedLong.valueOf(0x0000000000000015L), Symbol.valueOf("amqp:disposition:list"),
};
private static final UnsignedLong DESCRIPTOR = UnsignedLong.valueOf(0x0000000000000015L);
private final DispositionWrapper _wrapper = new DispositionWrapper();
private boolean _role;
private UnsignedInteger _first;
private UnsignedInteger _last;
private boolean _settled;
private DeliveryState _state;
private boolean _batchable;
public boolean getRole()
{
return _role;
}
public void setRole(boolean role)
{
_role = role;
}
public UnsignedInteger getFirst()
{
return _first;
}
public void setFirst(UnsignedInteger first)
{
if( first == null )
{
throw new NullPointerException("the first field is mandatory");
}
_first = first;
}
public UnsignedInteger getLast()
{
return _last;
}
public void setLast(UnsignedInteger last)
{
_last = last;
}
public boolean getSettled()
{
return _settled;
}
public void setSettled(boolean settled)
{
_settled = settled;
}
public DeliveryState getState()
{
return _state;
}
public void setState(DeliveryState state)
{
_state = state;
}
public boolean getBatchable()
{
return _batchable;
}
public void setBatchable(boolean batchable)
{
_batchable = batchable;
}
public Object getDescriptor()
{
return DESCRIPTOR;
}
public Object getDescribed()
{
return _wrapper;
}
public Object get(final int index)
{
switch(index)
{
case 0:
return _role;
case 1:
return _first;
case 2:
return _last;
case 3:
return _settled;
case 4:
return _state;
case 5:
return _batchable;
}
throw new IllegalStateException("Unknown index " + index);
}
public int size()
{
return (_batchable != false)
? 6
: _state != null
? 5
: (_settled != false)
? 4
: _last != null
? 3
: 2;
}
public final class DispositionWrapper extends AbstractList
{
@Override
public Object get(final int index)
{
return Disposition.this.get(index);
}
@Override
public int size()
{
return Disposition.this.size();
}
}
private static class DispositionConstructor implements DescribedTypeConstructor<Disposition>
{
public Disposition newInstance(Object described)
{
List l = (List) described;
Disposition o = new Disposition();
if(l.size() <= 1)
{
throw new DecodeException("The first field cannot be omitted");
}
switch(6 - l.size())
{
case 0:
Boolean batchable = (Boolean) l.get(5);
o.setBatchable(batchable == null ? false : batchable);
case 1:
o.setState( (DeliveryState) l.get( 4 ) );
case 2:
Boolean settled = (Boolean) l.get(3);
o.setSettled(settled == null ? false : settled);
case 3:
o.setLast( (UnsignedInteger) l.get( 2 ) );
case 4:
o.setFirst( (UnsignedInteger) l.get( 1 ) );
case 5:
o.setRole( (Boolean) l.get( 0 ) );
}
return o;
}
public Class<Disposition> getTypeClass()
{
return Disposition.class;
}
}
public <E> void invoke(FrameBodyHandler<E> handler, Binary payload, E context)
{
handler.handleDisposition(this, payload, context);
}
public static void register(Decoder decoder)
{
DispositionConstructor constructor = new DispositionConstructor();
for(Object descriptor : DESCRIPTORS)
{
decoder.register(descriptor, constructor);
}
}
@Override
public String toString()
{
return "Disposition{" +
"role=" + (_role ? "RECIEVER" : "SENDER") +
", first=" + _first +
", last=" + _last +
", settled=" + _settled +
", state=" + _state +
", batchable=" + _batchable +
'}';
}
}