org.apache.qpid.proton.codec.transport.FlowType Maven / Gradle / Ivy
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*
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* 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
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package org.apache.qpid.proton.codec.transport;
import java.util.AbstractList;
import java.util.List;
import java.util.Map;
import org.apache.qpid.proton.amqp.Symbol;
import org.apache.qpid.proton.amqp.UnsignedInteger;
import org.apache.qpid.proton.amqp.UnsignedLong;
import org.apache.qpid.proton.amqp.transport.Flow;
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 final class FlowType extends AbstractDescribedType implements DescribedTypeConstructor
{
private static final Object[] DESCRIPTORS =
{
UnsignedLong.valueOf(0x0000000000000013L), Symbol.valueOf("amqp:flow:list"),
};
private static final UnsignedLong DESCRIPTOR = UnsignedLong.valueOf(0x0000000000000013L);
FlowType(EncoderImpl encoder)
{
super(encoder);
}
public UnsignedLong getDescriptor()
{
return DESCRIPTOR;
}
@Override
protected List wrap(Flow val)
{
return new FlowWrapper(val);
}
public static class FlowWrapper extends AbstractList
{
private Flow _flow;
public FlowWrapper(Flow flow)
{
_flow = flow;
}
public Object get(final int index)
{
switch(index)
{
case 0:
return _flow.getNextIncomingId();
case 1:
return _flow.getIncomingWindow();
case 2:
return _flow.getNextOutgoingId();
case 3:
return _flow.getOutgoingWindow();
case 4:
return _flow.getHandle();
case 5:
return _flow.getDeliveryCount();
case 6:
return _flow.getLinkCredit();
case 7:
return _flow.getAvailable();
case 8:
return _flow.getDrain();
case 9:
return _flow.getEcho();
case 10:
return _flow.getProperties();
}
throw new IllegalStateException("Unknown index " + index);
}
public int size()
{
return _flow.getProperties() != null
? 11
: _flow.getEcho()
? 10
: _flow.getDrain()
? 9
: _flow.getAvailable() != null
? 8
: _flow.getLinkCredit() != null
? 7
: _flow.getDeliveryCount() != null
? 6
: _flow.getHandle() != null
? 5
: 4;
}
}
public Flow newInstance(Object described)
{
List l = (List) described;
Flow o = new Flow();
if(l.size() <= 3)
{
throw new DecodeException("The outgoing-window field cannot be omitted");
}
switch(11 - l.size())
{
case 0:
o.setProperties( (Map) l.get( 10 ) );
case 1:
Boolean echo = (Boolean) l.get(9);
o.setEcho(echo == null ? false : echo);
case 2:
Boolean drain = (Boolean) l.get(8);
o.setDrain(drain == null ? false : drain );
case 3:
o.setAvailable( (UnsignedInteger) l.get( 7 ) );
case 4:
o.setLinkCredit( (UnsignedInteger) l.get( 6 ) );
case 5:
o.setDeliveryCount( (UnsignedInteger) l.get( 5 ) );
case 6:
o.setHandle( (UnsignedInteger) l.get( 4 ) );
case 7:
o.setOutgoingWindow( (UnsignedInteger) l.get( 3 ) );
case 8:
o.setNextOutgoingId( (UnsignedInteger) l.get( 2 ) );
case 9:
o.setIncomingWindow( (UnsignedInteger) l.get( 1 ) );
case 10:
o.setNextIncomingId( (UnsignedInteger) l.get( 0 ) );
}
return o;
}
public Class getTypeClass()
{
return Flow.class;
}
public static void register(Decoder decoder, EncoderImpl encoder)
{
FlowType type = new FlowType(encoder);
for(Object descriptor : DESCRIPTORS)
{
decoder.register(descriptor, type);
}
encoder.register(type);
}
}