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/*
* Copyright (c) 2020 Eike Stepper (Loehne, 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
*/
package org.eclipse.emf.cdo.common.branch;
import org.eclipse.emf.cdo.common.protocol.CDODataInput;
import org.eclipse.emf.cdo.common.protocol.CDODataOutput;
import org.eclipse.net4j.util.ObjectUtil;
import java.io.IOException;
import java.io.Serializable;
/**
* References a {@link CDOBranch}.
*
* @author Eike Stepper
* @since 4.10
*/
public final class CDOBranchRef implements Serializable
{
private static final long serialVersionUID = 1L;
private String branchPath;
public CDOBranchRef()
{
}
public CDOBranchRef(CDOBranch branch)
{
this(branch.getPathName());
}
public CDOBranchRef(String branchPath)
{
this.branchPath = branchPath.intern();
}
public CDOBranchRef(CDODataInput in) throws IOException
{
this(in.readCDOPackageURI());
}
public void write(CDODataOutput out) throws IOException
{
out.writeCDOPackageURI(branchPath);
}
public String getBranchPath()
{
return branchPath;
}
public boolean isMainBranch()
{
return CDOBranch.MAIN_BRANCH_NAME.equals(branchPath);
}
public CDOBranchPoint resolve(CDOBranchManager branchManager)
{
return branchManager.getBranch(branchPath);
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
{
return true;
}
if (obj != null && obj.getClass() == CDOBranchRef.class)
{
CDOBranchRef that = (CDOBranchRef)obj;
return ObjectUtil.equals(branchPath, that.branchPath);
}
return false;
}
@Override
public int hashCode()
{
return branchPath.hashCode();
}
@Override
public String toString()
{
return branchPath;
}
/**
* Provides {@link CDOBranchRef branch references}.
*
* @author Eike Stepper
*/
public interface Provider
{
public CDOBranchRef getBranchRef();
}
}
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