/*
* Copyright (c) 2009-2013 Eike Stepper (Berlin, Germany) and others.
* 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 - bug 213402
*/
package org.eclipse.emf.cdo.spi.common.id;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.protocol.CDODataOutput;
import org.eclipse.net4j.util.io.ExtendedDataInput;
import org.eclipse.net4j.util.io.ExtendedDataOutput;
import java.io.IOException;
/**
* If the meaning of this type isn't clear, there really should be more of a description here...
*
* @author Eike Stepper
* @since 2.0
* @noextend This interface is not intended to be extended by clients.
*/
public abstract class AbstractCDOID implements CDOID
{
private static final long serialVersionUID = 1L;
protected AbstractCDOID()
{
}
/**
* @since 4.2
*/
public boolean isNull()
{
return false;
}
/**
* @since 4.2
*/
@Deprecated
public final boolean isDangling()
{
return false;
}
/**
* @deprecated As of 4.2 not called anymore.
*/
@Deprecated
public final void read(String fragmentPart)
{
// Do nothing
}
/**
* @deprecated As of 4.2 not called anymore.
*/
@Deprecated
public final void read(ExtendedDataInput in) throws IOException
{
// Do nothing
}
/**
* @deprecated As of 4.2 {@link #write(CDODataOutput)} is called.
*/
@Deprecated
public void write(ExtendedDataOutput out) throws IOException
{
// Do nothing
}
/**
* @since 4.2
*/
public abstract void write(CDODataOutput out) throws IOException;
@Override
public String toString()
{
return toURIFragment();
}
public final int compareTo(CDOID o)
{
try
{
return doCompareTo(o);
}
catch (ClassCastException ex)
{
return getType().compareTo(o.getType());
}
}
@Override
public boolean equals(Object obj)
{
return obj == this;
}
@Override
public abstract int hashCode();
protected abstract int doCompareTo(CDOID o) throws ClassCastException;
}