CmdCluster.java

/*
 * Encog(tm) Core v3.4 - Java Version
 * http://www.heatonresearch.com/encog/
 * https://github.com/encog/encog-java-core
 
 * Copyright 2008-2016 Heaton Research, Inc.
 *
 * 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.
 *   
 * For more information on Heaton Research copyrights, licenses 
 * and trademarks visit:
 * http://www.heatonresearch.com/copyright
 */
package org.encog.app.analyst.commands;

import java.io.File;

import org.encog.app.analyst.EncogAnalyst;
import org.encog.app.analyst.csv.AnalystClusterCSV;
import org.encog.app.analyst.script.prop.ScriptProperties;
import org.encog.app.analyst.util.AnalystReportBridge;
import org.encog.util.csv.CSVFormat;
import org.encog.util.logging.EncogLogging;

/**
 * This command is used to randomize the lines in a CSV file.
 * 
 */
public class CmdCluster extends Cmd {
	
	/**
	 * The default number of iterations.
	 */
	public static final int DEFAULT_ITERATIONS = 100;

	/**
	 * The name of this command.
	 */
	public static final String COMMAND_NAME = "CLUSTER";

	/**
	 * Construct the cluster command.
	 * 
	 * @param analyst
	 *            The analyst object to use.
	 */
	public CmdCluster(final EncogAnalyst analyst) {
		super(analyst);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean executeCommand(final String args) {
		// get filenames
		final String sourceID = getProp().getPropertyString(
				ScriptProperties.CLUSTER_CONFIG_SOURCE_FILE);
		final String targetID = getProp().getPropertyString(
				ScriptProperties.CLUSTER_CONFIG_TARGET_FILE);
		final int clusters = getProp().getPropertyInt(
				ScriptProperties.CLUSTER_CONFIG_CLUSTERS);
		getProp().getPropertyString(ScriptProperties.CLUSTER_CONFIG_TYPE);
		
		EncogLogging.log(EncogLogging.LEVEL_DEBUG, 
			"Beginning cluster");
		EncogLogging.log(EncogLogging.LEVEL_DEBUG, 
				"source file:" + sourceID);
		EncogLogging.log(EncogLogging.LEVEL_DEBUG, 
				"target file:" + targetID);
		EncogLogging.log(EncogLogging.LEVEL_DEBUG, 
				"clusters:" + clusters);

		final File sourceFile = getScript().resolveFilename(sourceID);
		final File targetFile = getScript().resolveFilename(targetID);

		// get formats
		final CSVFormat format = getScript().determineFormat();

		// mark generated
		getScript().markGenerated(targetID);

		// prepare to normalize
		final AnalystClusterCSV cluster = new AnalystClusterCSV();
		cluster.setScript(getScript());
		getAnalyst().setCurrentQuantTask(cluster);
		cluster.setReport(new AnalystReportBridge(getAnalyst()));
		final boolean headers = getScript().expectInputHeaders(sourceID);
		cluster.analyze(getAnalyst(), sourceFile, headers, format);
		cluster.process(targetFile, clusters, getAnalyst(), DEFAULT_ITERATIONS);
		getAnalyst().setCurrentQuantTask(null);
		return cluster.shouldStop();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public String getName() {
		return CmdCluster.COMMAND_NAME;
	}

}