// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.changemanagement;

import java.io.*;

import org.litesoft.commonfoundation.typeutils.*;

import java.util.*;

import org.litesoft.changemanagement.nonpublic.*;

public final class ServerStateChangeSet implements IServerStateChangeSet,
                                                   Serializable
{
    private static final long serialVersionUID = 1L;

    private /* final */ Serializable mSourceUniqueID;
    private /* final */ String mSourceClassname;
    private /* final */ Map<String, Serializable> mXtraData;
    private /* final */ List<ServerStateChange> mChanges;

    @SuppressWarnings("UnusedDeclaration") @Deprecated // for serialization
    protected ServerStateChangeSet()
    {
    }

    private ServerStateChangeSet( Serializable pSourceUniqueID, String pSourceClassname,
                                  Map<String, Serializable> pXtraData,
                                  List<ServerStateChange> pUnmodifiableChanges )
    {
        mSourceUniqueID = pSourceUniqueID;
        mSourceClassname = pSourceClassname;
        mXtraData = pXtraData;
        mChanges = pUnmodifiableChanges;
    }

    public ServerStateChangeSet( ServerStateChangeSet pSource, List<ServerStateChange> pUnmodifiableChanges )
    {
        this( pSource.mSourceUniqueID, pSource.mSourceClassname, pSource.mXtraData, pUnmodifiableChanges );
    }

    public ServerStateChangeSet( Serializable pSourceUniqueID, String pSourceClassname, ServerStateChange pChange )
    {
        this( pSourceUniqueID, pSourceClassname, Maps.<String, Serializable>empty(), Lists.ofUnmodifiable( pChange ) );
    }

    protected ServerStateChangeSet( ServerStateChangeCollector pCollector )
    {
        this( pCollector.mSourceUniqueID, pCollector.mSourceClassname, Maps.copyHashMap( pCollector.mXtraData ), Lists.fromUnmodifiable( pCollector.mChanges ) );
    }

    @Override
    public Serializable getSourceUniqueID()
    {
        return mSourceUniqueID;
    }

    @Override
    public String getSourceClassname()
    {
        return mSourceClassname;
    }

    @Override
    public Serializable getXtraData( Class pForKey )
    {
        return (pForKey == null) ? null : mXtraData.get( pForKey.getName() );
    }

    @Override
    public List<ServerStateChange> getChanges()
    {
        return mChanges;
    }

    @Override
    public String toString()
    {
        return Helper.toString( mSourceUniqueID, mSourceClassname, mXtraData, mChanges );
    }
}