| /* |
| * 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.brooklyn.core.workflow.steps.variables; |
| |
| import com.google.common.collect.Iterables; |
| import org.apache.brooklyn.core.workflow.WorkflowExpressionResolution; |
| import org.apache.brooklyn.util.collections.MutableSet; |
| |
| import java.util.Set; |
| |
| public class TransformSetWorkflowVariable extends WorkflowTransformDefault { |
| private String name; |
| |
| @Override |
| protected void initCheckingDefinition() { |
| Set<String> d = MutableSet.copyOf(definition.subList(1, definition.size())); |
| if (d.isEmpty()) throw new IllegalArgumentException("Transform 'set' requires a variable name"); |
| if (d.size() > 1) |
| throw new IllegalArgumentException("Transform 'set' requires a single argument being the variable name; not " + d); |
| name = Iterables.getOnlyElement(d); |
| } |
| |
| @Override |
| public Object apply(Object v) { |
| String nameToSet = context.resolve(WorkflowExpressionResolution.WorkflowExpressionStage.STEP_RUNNING, name, String.class); |
| SetVariableWorkflowStep.setWorkflowScratchVariableDotSeparated(stepContext, nameToSet, v, false); |
| return v; |
| } |
| |
| } |