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/***************************************************************************
* Copyright (c) 2004 - 2008 Eike Stepper, Germany.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
* Simon McDuff - http://bugs.eclipse.org/226778
**************************************************************************/
package org.eclipse.emf.cdo.spi.common.id;
import org.eclipse.net4j.util.ObjectUtil;
import org.eclipse.net4j.util.io.ExtendedDataInput;
import org.eclipse.net4j.util.io.ExtendedDataOutput;
import java.io.IOException;
/**
* @author Eike Stepper
* @since 2.0
*/
public abstract class AbstractCDOIDLong extends AbstractCDOID implements Comparable<AbstractCDOIDLong>
{
public static final long NULL_VALUE = 0L;
private static final long serialVersionUID = 1L;
private long value;
public AbstractCDOIDLong()
{
}
public AbstractCDOIDLong(long value)
{
if (value == NULL_VALUE)
{
throw new IllegalArgumentException("value == NULL_VALUE");
}
this.value = value;
}
public long getLongValue()
{
return value;
}
public String toURIFragment()
{
return String.valueOf(value);
}
@Override
public void read(String fragmentPart)
{
value = Long.valueOf(fragmentPart);
}
@Override
public void read(ExtendedDataInput in) throws IOException
{
value = in.readLong();
}
@Override
public void write(ExtendedDataOutput out) throws IOException
{
out.writeLong(value);
}
public int compareTo(AbstractCDOIDLong that)
{
if (value < that.value)
{
return -1;
}
if (value > that.value)
{
return 1;
}
return 0;
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
{
return true;
}
if (obj != null && obj.getClass() == getClass())
{
AbstractCDOIDLong that = (AbstractCDOIDLong)obj;
return value == that.value;
}
return false;
}
@Override
public int hashCode()
{
return getClass().hashCode() ^ ObjectUtil.hashCode(value);
}
@Override
public String toString()
{
return String.valueOf(value);
}
}
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