FastBitSetBvTree.java

/*
 * Copyright 2014 Takao Nakaguchi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.trie4j.louds.bvtree;

import org.trie4j.util.FastBitSet;
import org.trie4j.util.Range;

public class FastBitSetBvTree implements BvTree{
	public FastBitSetBvTree(int initialCapacity) {
		bs = new FastBitSet(initialCapacity);
	}

	public int getSize() {
		return size;
	}

	public byte[] getBytes(){
		return bs.getBytes();
	}

	@Override
	public void appendChild() {
		bs.set(size++);
	}

	@Override
	public void appendSelf() {
		bs.ensureCapacity(size++);
	}

	@Override
	public void getChildNodeIds(int selfNodeId, Range range) {
		throw new UnsupportedOperationException();
	}

	@Override
	public void trimToSize() {
	}

	private FastBitSet bs;
	private int size;
}