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Diffstat (limited to 'mllib/src/main/scala/org/apache/spark/ml/util/Identifiable.scala')
-rw-r--r-- | mllib/src/main/scala/org/apache/spark/ml/util/Identifiable.scala | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/ml/util/Identifiable.scala b/mllib/src/main/scala/org/apache/spark/ml/util/Identifiable.scala new file mode 100644 index 0000000000..8a56748ab0 --- /dev/null +++ b/mllib/src/main/scala/org/apache/spark/ml/util/Identifiable.scala @@ -0,0 +1,33 @@ +/* + * 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.ml.util + +import java.util.UUID + +/** + * Object with a unique id. + */ +private[ml] trait Identifiable extends Serializable { + + /** + * A unique id for the object. The default implementation concatenates the class name, "_", and 8 + * random hex chars. + */ + private[ml] val uid: String = + this.getClass.getSimpleName + "_" + UUID.randomUUID().toString.take(8) +} |