Cluster.java

/**
 * Copyright 2015, Emory University
 * 
 * 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 edu.emory.clir.clearnlp.cluster;

import java.util.HashSet;
import java.util.Set;

/**
 * @since 3.1.2
 * @author Jinho D. Choi ({@code jinho.choi@emory.edu})
 */
public class Cluster
{
	private Set<SparseVector> point_set;
	
	public Cluster()
	{
		point_set = new HashSet<>();
	}
	
	public void addPoint(SparseVector point)
	{
		point_set.add(point);
	}
	
	public Set<SparseVector> getPointSet()
	{
		return point_set;
	}
	
	public int size()
	{
		return point_set.size();
	}
	
	public void merge(Cluster cluster)
	{
		point_set.addAll(cluster.getPointSet());
	}
}