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package org.litesoft.sequences;
import java.util.*;
public final class SequenceBlockImpl extends SequenceBlock
{
public static final SequenceBlock INITIAL = new SequenceBlockImpl( 1, 1 );
private long mNextValue;
private long mCurBlockEndExclusive;
public SequenceBlockImpl( long pNextValue, long pCurBlockEndExclusive )
{
mNextValue = pNextValue;
mCurBlockEndExclusive = pCurBlockEndExclusive;
}
public long getCurBlockEndExclusive()
{
return mCurBlockEndExclusive;
}
public long available()
{
return mCurBlockEndExclusive - mNextValue;
}
public boolean hasMore()
{
return mCurBlockEndExclusive > mNextValue;
}
public long next()
throws NoSuchElementException
{
if ( hasMore() )
{
return mNextValue++;
}
throw new NoSuchElementException( "SequenceBlock Exhausted" );
}
protected Long peekNext()
{
return !hasMore() ? null : mNextValue;
}
}
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Revision |
Author |
Commited |
Message |
2
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GeorgeS
|
Sun 07 Feb, 2010 12:50:58 +0000 |
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