/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * 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 com.android.gesture.recognizer;

import java.util.ArrayList;
import java.util.HashMap;

/**
 * The abstract class of Classifier
 */
public abstract class Classifier {
	
	HashMap<Long, Instance> mInstances = new HashMap<Long, Instance>();
	
	public void addInstance(Instance instance) {
		mInstances.put(instance.id, instance);
	}
	
	public Instance getInstance(long id) {
	    return mInstances.get(id);
	}
	
	public void removeInstance(long id) {
	    mInstances.remove(id);
	}
	
	public abstract ArrayList<Prediction> classify(Instance instance);
}
