diff options
Diffstat (limited to 'mllib/src/main/scala/org/apache/spark/mllib/api/python/PrefixSpanModelWrapper.scala')
-rw-r--r-- | mllib/src/main/scala/org/apache/spark/mllib/api/python/PrefixSpanModelWrapper.scala | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/api/python/PrefixSpanModelWrapper.scala b/mllib/src/main/scala/org/apache/spark/mllib/api/python/PrefixSpanModelWrapper.scala new file mode 100644 index 0000000000..0027602a04 --- /dev/null +++ b/mllib/src/main/scala/org/apache/spark/mllib/api/python/PrefixSpanModelWrapper.scala @@ -0,0 +1,32 @@ +/* + * 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.spark.mllib.api.python + +import org.apache.spark.mllib.fpm.PrefixSpanModel +import org.apache.spark.rdd.RDD + +/** + * A Wrapper of PrefixSpanModel to provide helper method for Python + */ +private[python] class PrefixSpanModelWrapper(model: PrefixSpanModel[Any]) + extends PrefixSpanModel(model.freqSequences) { + + def getFreqSequences: RDD[Array[Any]] = { + SerDe.fromTuple2RDD(model.freqSequences.map(x => (x.javaSequence, x.freq))) + } +} |