46 lines
1.4 KiB
Java
46 lines
1.4 KiB
Java
/*******************************************************************************
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* Copyright (c) 2002 - 2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.util.intset;
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/**
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* A {@link MutableSparseIntSet} that allows for tuning of its initial size and expansion factor.
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*
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* @see #getInitialNonEmptySize()
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* @see #getExpansionFactor()
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*/
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public class TunedMutableSparseIntSet extends MutableSparseIntSet {
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private static final long serialVersionUID = -1559172158241923881L;
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private final int initialSize;
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private final float expansion;
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public TunedMutableSparseIntSet(int initialSize, float expansion) throws IllegalArgumentException {
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super();
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if (initialSize <= 0) {
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throw new IllegalArgumentException("invalid initial size " + initialSize);
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}
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this.initialSize = initialSize;
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this.expansion = expansion;
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}
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@Override
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public float getExpansionFactor() {
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return expansion;
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}
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@Override
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public int getInitialNonEmptySize() {
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return initialSize;
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}
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}
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