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/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.mahout.common.commandline;
import org.apache.commons.cli2.Option;
import org.apache.commons.cli2.builder.ArgumentBuilder;
import org.apache.commons.cli2.builder.DefaultOptionBuilder;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.mahout.common.distance.SquaredEuclideanDistanceMeasure;
import org.apache.mahout.clustering.kernel.TriangularKernelProfile;
public final class DefaultOptionCreator {
public static final String CLUSTERING_OPTION = "clustering";
public static final String CLUSTERS_IN_OPTION = "clusters";
public static final String CONVERGENCE_DELTA_OPTION = "convergenceDelta";
public static final String DISTANCE_MEASURE_OPTION = "distanceMeasure";
public static final String EMIT_MOST_LIKELY_OPTION = "emitMostLikely";
public static final String INPUT_OPTION = "input";
public static final String MAX_ITERATIONS_OPTION = "maxIter";
public static final String MAX_REDUCERS_OPTION = "maxRed";
public static final String METHOD_OPTION = "method";
public static final String NUM_CLUSTERS_OPTION = "numClusters";
public static final String OUTPUT_OPTION = "output";
public static final String OVERWRITE_OPTION = "overwrite";
public static final String T1_OPTION = "t1";
public static final String T2_OPTION = "t2";
public static final String T3_OPTION = "t3";
public static final String T4_OPTION = "t4";
public static final String OUTLIER_THRESHOLD = "outlierThreshold";
public static final String CLUSTER_FILTER_OPTION = "clusterFilter";
public static final String THRESHOLD_OPTION = "threshold";
public static final String SEQUENTIAL_METHOD = "sequential";
public static final String MAPREDUCE_METHOD = "mapreduce";
public static final String KERNEL_PROFILE_OPTION = "kernelProfile";
public static final String ANALYZER_NAME_OPTION = "analyzerName";
public static final String RANDOM_SEED = "randomSeed";
private DefaultOptionCreator() {}
/**
* Returns a default command line option for help. Used by all clustering jobs
* and many others
* */
public static Option helpOption() {
return new DefaultOptionBuilder().withLongName("help")
.withDescription("Print out help").withShortName("h").create();
}
/**
* Returns a default command line option for input directory specification.
* Used by all clustering jobs plus others
*/
public static DefaultOptionBuilder inputOption() {
return new DefaultOptionBuilder()
.withLongName(INPUT_OPTION)
.withRequired(false)
.withShortName("i")
.withArgument(
new ArgumentBuilder().withName(INPUT_OPTION).withMinimum(1)
.withMaximum(1).create())
.withDescription("Path to job input directory.");
}
/**
* Returns a default command line option for clusters input directory
* specification. Used by FuzzyKmeans, Kmeans
*/
public static DefaultOptionBuilder clustersInOption() {
return new DefaultOptionBuilder()
.withLongName(CLUSTERS_IN_OPTION)
.withRequired(true)
.withArgument(
new ArgumentBuilder().withName(CLUSTERS_IN_OPTION).withMinimum(1)
.withMaximum(1).create())
.withDescription(
"The path to the initial clusters directory. Must be a SequenceFile of some type of Cluster")
.withShortName("c");
}
/**
* Returns a default command line option for output directory specification.
* Used by all clustering jobs plus others
*/
public static DefaultOptionBuilder outputOption() {
return new DefaultOptionBuilder()
.withLongName(OUTPUT_OPTION)
.withRequired(false)
.withShortName("o")
.withArgument(
new ArgumentBuilder().withName(OUTPUT_OPTION).withMinimum(1)
.withMaximum(1).create())
.withDescription("The directory pathname for output.");
}
/**
* Returns a default command line option for output directory overwriting.
* Used by all clustering jobs
*/
public static DefaultOptionBuilder overwriteOption() {
return new DefaultOptionBuilder()
.withLongName(OVERWRITE_OPTION)
.withRequired(false)
.withDescription(
"If present, overwrite the output directory before running job")
.withShortName("ow");
}
/**
* Returns a default command line option for specification of distance measure
* class to use. Used by Canopy, FuzzyKmeans, Kmeans, MeanShift
*/
public static DefaultOptionBuilder distanceMeasureOption() {
return new DefaultOptionBuilder()
.withLongName(DISTANCE_MEASURE_OPTION)
.withRequired(false)
.withShortName("dm")
.withArgument(
new ArgumentBuilder().withName(DISTANCE_MEASURE_OPTION)
.withDefault(SquaredEuclideanDistanceMeasure.class.getName())
.withMinimum(1).withMaximum(1).create())
.withDescription(
"The classname of the DistanceMeasure. Default is SquaredEuclidean");
}
/**
* Returns a default command line option for specification of sequential or
* parallel operation. Used by Canopy, FuzzyKmeans, Kmeans, MeanShift,
* Dirichlet
*/
public static DefaultOptionBuilder methodOption() {
return new DefaultOptionBuilder()
.withLongName(METHOD_OPTION)
.withRequired(false)
.withShortName("xm")
.withArgument(
new ArgumentBuilder().withName(METHOD_OPTION)
.withDefault(MAPREDUCE_METHOD).withMinimum(1).withMaximum(1)
.create())
.withDescription(
"The execution method to use: sequential or mapreduce. Default is mapreduce");
}
/**
* Returns a default command line option for specification of T1. Used by
* Canopy, MeanShift
*/
public static DefaultOptionBuilder t1Option() {
return new DefaultOptionBuilder()
.withLongName(T1_OPTION)
.withRequired(true)
.withArgument(
new ArgumentBuilder().withName(T1_OPTION).withMinimum(1)
.withMaximum(1).create()).withDescription("T1 threshold value")
.withShortName(T1_OPTION);
}
/**
* Returns a default command line option for specification of T2. Used by
* Canopy, MeanShift
*/
public static DefaultOptionBuilder t2Option() {
return new DefaultOptionBuilder()
.withLongName(T2_OPTION)
.withRequired(true)
.withArgument(
new ArgumentBuilder().withName(T2_OPTION).withMinimum(1)
.withMaximum(1).create()).withDescription("T2 threshold value")
.withShortName(T2_OPTION);
}
/**
* Returns a default command line option for specification of T3 (Reducer T1).
* Used by Canopy
*/
public static DefaultOptionBuilder t3Option() {
return new DefaultOptionBuilder()
.withLongName(T3_OPTION)
.withRequired(false)
.withArgument(
new ArgumentBuilder().withName(T3_OPTION).withMinimum(1)
.withMaximum(1).create())
.withDescription("T3 (Reducer T1) threshold value")
.withShortName(T3_OPTION);
}
/**
* Returns a default command line option for specification of T4 (Reducer T2).
* Used by Canopy
*/
public static DefaultOptionBuilder t4Option() {
return new DefaultOptionBuilder()
.withLongName(T4_OPTION)
.withRequired(false)
.withArgument(
new ArgumentBuilder().withName(T4_OPTION).withMinimum(1)
.withMaximum(1).create())
.withDescription("T4 (Reducer T2) threshold value")
.withShortName(T4_OPTION);
}
/**
* @return a DefaultOptionBuilder for the clusterFilter option
*/
public static DefaultOptionBuilder clusterFilterOption() {
return new DefaultOptionBuilder()
.withLongName(CLUSTER_FILTER_OPTION)
.withShortName("cf")
.withRequired(false)
.withArgument(
new ArgumentBuilder().withName(CLUSTER_FILTER_OPTION).withMinimum(1)
.withMaximum(1).create())
.withDescription("Cluster filter suppresses small canopies from mapper")
.withShortName(CLUSTER_FILTER_OPTION);
}
/**
* Returns a default command line option for specification of max number of
* iterations. Used by Dirichlet, FuzzyKmeans, Kmeans, LDA
*/
public static DefaultOptionBuilder maxIterationsOption() {
// default value used by LDA which overrides withRequired(false)
return new DefaultOptionBuilder()
.withLongName(MAX_ITERATIONS_OPTION)
.withRequired(true)
.withShortName("x")
.withArgument(
new ArgumentBuilder().withName(MAX_ITERATIONS_OPTION)
.withDefault("-1").withMinimum(1).withMaximum(1).create())
.withDescription("The maximum number of iterations.");
}
/**
* Returns a default command line option for specification of numbers of
* clusters to create. Used by Dirichlet, FuzzyKmeans, Kmeans
*/
public static DefaultOptionBuilder numClustersOption() {
return new DefaultOptionBuilder()
.withLongName(NUM_CLUSTERS_OPTION)
.withRequired(false)
.withArgument(
new ArgumentBuilder().withName("k").withMinimum(1).withMaximum(1)
.create()).withDescription("The number of clusters to create")
.withShortName("k");
}
public static DefaultOptionBuilder useSetRandomSeedOption() {
return new DefaultOptionBuilder()
.withLongName(RANDOM_SEED)
.withRequired(false)
.withArgument(new ArgumentBuilder().withName(RANDOM_SEED).create())
.withDescription("Seed to initaize Random Number Generator with")
.withShortName("rs");
}
/**
* Returns a default command line option for convergence delta specification.
* Used by FuzzyKmeans, Kmeans, MeanShift
*/
public static DefaultOptionBuilder convergenceOption() {
return new DefaultOptionBuilder()
.withLongName(CONVERGENCE_DELTA_OPTION)
.withRequired(false)
.withShortName("cd")
.withArgument(
new ArgumentBuilder().withName(CONVERGENCE_DELTA_OPTION)
.withDefault("0.5").withMinimum(1).withMaximum(1).create())
.withDescription("The convergence delta value. Default is 0.5");
}
/**
* Returns a default command line option for specifying the max number of
* reducers. Used by Dirichlet, FuzzyKmeans, Kmeans and LDA
*
* @deprecated
*/
@Deprecated
public static DefaultOptionBuilder numReducersOption() {
return new DefaultOptionBuilder()
.withLongName(MAX_REDUCERS_OPTION)
.withRequired(false)
.withShortName("r")
.withArgument(
new ArgumentBuilder().withName(MAX_REDUCERS_OPTION)
.withDefault("2").withMinimum(1).withMaximum(1).create())
.withDescription("The number of reduce tasks. Defaults to 2");
}
/**
* Returns a default command line option for clustering specification. Used by
* all clustering except LDA
*/
public static DefaultOptionBuilder clusteringOption() {
return new DefaultOptionBuilder()
.withLongName(CLUSTERING_OPTION)
.withRequired(false)
.withDescription(
"If present, run clustering after the iterations have taken place")
.withShortName("cl");
}
/**
* Returns a default command line option for specifying a Lucene analyzer class
* @return {@link DefaultOptionBuilder}
*/
public static DefaultOptionBuilder analyzerOption() {
return new DefaultOptionBuilder()
.withLongName(ANALYZER_NAME_OPTION)
.withRequired(false)
.withDescription("If present, the name of a Lucene analyzer class to use")
.withArgument(new ArgumentBuilder().withName(ANALYZER_NAME_OPTION).withDefault(StandardAnalyzer.class.getName())
.withMinimum(1).withMaximum(1).create())
.withShortName("an");
}
/**
* Returns a default command line option for specifying the emitMostLikely
* flag. Used by Dirichlet and FuzzyKmeans
*/
public static DefaultOptionBuilder emitMostLikelyOption() {
return new DefaultOptionBuilder()
.withLongName(EMIT_MOST_LIKELY_OPTION)
.withRequired(false)
.withShortName("e")
.withArgument(
new ArgumentBuilder().withName(EMIT_MOST_LIKELY_OPTION)
.withDefault("true").withMinimum(1).withMaximum(1).create())
.withDescription(
"True if clustering should emit the most likely point only, "
+ "false for threshold clustering. Default is true");
}
/**
* Returns a default command line option for specifying the clustering
* threshold value. Used by Dirichlet and FuzzyKmeans
*/
public static DefaultOptionBuilder thresholdOption() {
return new DefaultOptionBuilder()
.withLongName(THRESHOLD_OPTION)
.withRequired(false)
.withShortName("t")
.withArgument(
new ArgumentBuilder().withName(THRESHOLD_OPTION).withDefault("0")
.withMinimum(1).withMaximum(1).create())
.withDescription(
"The pdf threshold used for cluster determination. Default is 0");
}
public static DefaultOptionBuilder kernelProfileOption() {
return new DefaultOptionBuilder()
.withLongName(KERNEL_PROFILE_OPTION)
.withRequired(false)
.withShortName("kp")
.withArgument(
new ArgumentBuilder()
.withName(KERNEL_PROFILE_OPTION)
.withDefault(TriangularKernelProfile.class.getName())
.withMinimum(1).withMaximum(1).create())
.withDescription(
"The classname of the IKernelProfile. Default is TriangularKernelProfile");
}
/**
* Returns a default command line option for specification of OUTLIER THRESHOLD value. Used for
* Cluster Classification.
*/
public static DefaultOptionBuilder outlierThresholdOption() {
return new DefaultOptionBuilder()
.withLongName(OUTLIER_THRESHOLD)
.withRequired(false)
.withArgument(
new ArgumentBuilder().withName(OUTLIER_THRESHOLD).withMinimum(1)
.withMaximum(1).create()).withDescription("Outlier threshold value")
.withShortName(OUTLIER_THRESHOLD);
}
}
