mllib/fpm/JavaAssociationRulesSuite.java

0001 /*
0002  * Licensed to the Apache Software Foundation (ASF) under one or more
0003  * contributor license agreements.  See the NOTICE file distributed with
0004  * this work for additional information regarding copyright ownership.
0005  * The ASF licenses this file to You under the Apache License, Version 2.0
0006  * (the "License"); you may not use this file except in compliance with
0007  * the License.  You may obtain a copy of the License at
0008  *
0009  *    http://www.apache.org/licenses/LICENSE-2.0
0010  *
0011  * Unless required by applicable law or agreed to in writing, software
0012  * distributed under the License is distributed on an "AS IS" BASIS,
0013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014  * See the License for the specific language governing permissions and
0015  * limitations under the License.
0016  */
0017 package org.apache.spark.mllib.fpm;
0018
0019 import java.util.Arrays;
0020
0021 import org.junit.Test;
0022
0023 import org.apache.spark.SharedSparkSession;
0024 import org.apache.spark.api.java.JavaRDD;
0025 import org.apache.spark.mllib.fpm.FPGrowth.FreqItemset;
0026
0027 public class JavaAssociationRulesSuite extends SharedSparkSession {
0028
0029   @Test
0030   public void runAssociationRules() {
0031
0032     @SuppressWarnings("unchecked")
0033     JavaRDD<FPGrowth.FreqItemset<String>> freqItemsets = jsc.parallelize(Arrays.asList(
0034       new FreqItemset<>(new String[]{"a"}, 15L),
0035       new FreqItemset<>(new String[]{"b"}, 35L),
0036       new FreqItemset<>(new String[]{"a", "b"}, 12L)
0037     ));
0038
0039     JavaRDD<AssociationRules.Rule<String>> results = (new AssociationRules()).run(freqItemsets);
0040   }
0041 }