src/main/java/io/s4/example/kmeans/ObsEvent.java

/*
 * Copyright (c) 2011 The S4 Project, http://s4.io.
 * All rights reserved.
 * 
 * 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. See accompanying LICENSE file. 
 */
package io.s4.example.kmeans;

import io.s4.Event;

public class ObsEvent extends Event {

	final private float[] obsVector;
	final private float distance;
	final private long index;
	final private int classId;
	final private int hypId;

	public ObsEvent(long index, float[] obsVector, float distance, int classId,
			int hypId) {
		this.obsVector = obsVector;
		this.distance = distance;
		this.index = index;
		this.classId = classId;
		this.hypId = hypId;
	}

	/**
	 * @return the observed data vector.
	 */
	public float[] getObsVector() {
		return obsVector;
	}

	/**
	 * @return the distance between the observed vector and the class centroid.
	 *         Use -1.0 when unknown.
	 */
	public float getDistance() {
		return distance;
	}

	/**
	 * @return the index of the data vector.
	 */
	public long getIndex() {
		return index;
	}

	/**
	 * @return the true class of the vector.
	 */
	public int getClassId() {
		return classId;
	}

	/**
	 * @return the hypothesized class of the vector. Use -1 when unknown.
	 */
	public int getHypId() {
		return hypId;
	}

	public String toString() {

		StringBuilder vector = new StringBuilder();
		;
		for (int i = 0; i < obsVector.length; i++) {
			vector.append(obsVector[i] + " ");
		}
		return "Idx: " + index + ", Class: " + classId + ", Hyp:" + hypId
				+ ", Dist: " + distance + ", Obs: " + vector.toString();
	}
}