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#set( $filename = "ProtocolVersion.java" )
/*
*
* 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.
*
*/
/*
* This file is auto-generated by $generator - do not modify.
* Supported AMQP versions:
#foreach( $version in $model.getVersionSet() )
* $version.getMajor()-$version.getMinor()
#end
*/
package org.apache.qpid.framing;
import java.util.SortedSet;
import java.util.Collections;
import java.util.TreeSet;
import java.util.Map;
import java.util.HashMap;
public class ProtocolVersion implements Comparable
{
private final byte _majorVersion;
private final byte _minorVersion;
private final String _stringFormat;
public ProtocolVersion(byte majorVersion, byte minorVersion)
{
_majorVersion = majorVersion;
_minorVersion = minorVersion;
_stringFormat = _majorVersion+"-"+_minorVersion;
}
public byte getMajorVersion()
{
return _majorVersion;
}
public byte getMinorVersion()
{
return _minorVersion;
}
public byte getActualMinorVersion()
{
return _minorVersion > 90 ? (byte) (_minorVersion / 10) : _minorVersion;
}
public byte getRevisionVersion()
{
return _minorVersion > 90 ? (byte) (_minorVersion % 10) : (byte) 0;
}
public String toString()
{
return _stringFormat;
}
public int compareTo(Object o)
{
ProtocolVersion pv = (ProtocolVersion) o;
/*
* 0-8 has it's major and minor numbers the wrong way round (it's actually 8-0)...
* so we need to deal with that case specially
*/
if((_majorVersion == (byte) 8) && (_minorVersion == (byte) 0))
{
ProtocolVersion fixedThis = new ProtocolVersion(_minorVersion, _majorVersion);
return fixedThis.compareTo(pv);
}
if((pv.getMajorVersion() == (byte) 8) && (pv.getMinorVersion() == (byte) 0))
{
ProtocolVersion fixedOther = new ProtocolVersion(pv.getMinorVersion(), pv.getMajorVersion());
return this.compareTo(fixedOther);
}
if(_majorVersion > pv.getMajorVersion())
{
return 1;
}
else if(_majorVersion < pv.getMajorVersion())
{
return -1;
}
else if(_minorVersion > pv.getMinorVersion())
{
return 1;
}
else if(getMinorVersion() < pv.getMinorVersion())
{
return -1;
}
else
{
return 0;
}
}
public boolean equals(Object o)
{
return o != null && (o == this || (compareTo(o) == 0));
}
public int hashCode()
{
return (0xFF & (int)_minorVersion) | ((0xFF & (int)_majorVersion) << 8);
}
public boolean isSupported()
{
return _supportedVersions.contains(this);
}
public static ProtocolVersion getLatestSupportedVersion()
{
return _supportedVersions.last();
}
private static final SortedSet<ProtocolVersion> _supportedVersions;
private static final Map<String, ProtocolVersion> _nameToVersionMap =
new HashMap<String, ProtocolVersion>();
private static final ProtocolVersion _defaultVersion;
public static final ProtocolVersion v0_10 = new ProtocolVersion((byte)0,(byte)10);
#foreach( $version in $model.getVersionSet() )
#set( $versionId = "v$version.getMajor()_$version.getMinor()" )
public static final ProtocolVersion $versionId = new ProtocolVersion((byte)$version.getMajor(),(byte)$version.getMinor());
#end
static
{
SortedSet<ProtocolVersion> versions = new TreeSet<ProtocolVersion>();
versions.add(v0_10);
_nameToVersionMap.put("0-10", v0_10);
#foreach( $version in $model.getVersionSet() )
#set( $versionId = "v$version.getMajor()_$version.getMinor()" )
versions.add($versionId);
_nameToVersionMap.put("${version.getMajor()}-${version.getMinor()}", $versionId);
#end
_supportedVersions = Collections.unmodifiableSortedSet(versions);
ProtocolVersion systemDefinedVersion =
_nameToVersionMap.get(System.getProperty("org.apache.qpid.amqp_version"));
_defaultVersion = (systemDefinedVersion == null)
? getLatestSupportedVersion()
: systemDefinedVersion;
}
public static SortedSet<ProtocolVersion> getSupportedProtocolVersions()
{
return _supportedVersions;
}
public static ProtocolVersion parse(String name)
{
return _nameToVersionMap.get(name);
}
public static ProtocolVersion defaultProtocolVersion()
{
return _defaultVersion;
}
}
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