@@ -0,0 +1,1710 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements.  See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership.  The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License.  You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0Apackage org.apache.beam.runners.direct;%0A%0Aimport java.util.Collection;%0Aimport org.apache.beam.runners.core.construction.graph.QueryablePipeline;%0A%0A/**%0A * The interface that enables querying of a graph of independently executable stages and the inputs%0A * and outputs of those stages.%0A *%0A * %3Cp%3ESimilar to %7B@link QueryablePipeline%7D. This exists primarily for legacy reasons, as an adapter%0A * interface between the 'native' and 'portable' execution models that the DirectRunner supports.%0A */%0Apublic interface ExecutableGraph%3CExecutableT, CollectionT%3E %7B%0A  Collection%3CExecutableT%3E getRootTransforms();%0A%0A  Collection%3CExecutableT%3E getExecutables();%0A%0A  ExecutableT getProducer(CollectionT collection);%0A%0A  Collection%3CCollectionT%3E getProduced(ExecutableT toRefresh);%0A%0A  Collection%3CCollectionT%3E getPerElementInputs(ExecutableT transform);%0A%0A  Collection%3CExecutableT%3E getPerElementConsumers(CollectionT pCollection);%0A%7D%0A

Add an ExecutableGraph interface