litesoft
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.client.widgets.datatables; import java.util.*; /** * A proxy that enables us to limit the number of rows returned to the specified * number. */ public class LimitingIteratorWrapper<RowType> implements Iterator<RowType> { private final Iterator<RowType> mImpl; private final int mMaxRows; int mCount = 0; public LimitingIteratorWrapper( Iterator<RowType> pWrapped, int pMaxRows ) { mImpl = pWrapped; mMaxRows = pMaxRows; } @Override public boolean hasNext() { return mCount < mMaxRows && mImpl.hasNext(); } @Override public RowType next() { assert mCount < mMaxRows; mCount++; return mImpl.next(); } @Override public void remove() { mImpl.remove(); } @Override public String toString() { return "[maxRows=" + mMaxRows + ",iter=" + mImpl + "]"; } } |