| /* |
| * 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.test.framework; |
| |
| import java.util.concurrent.ExecutionException; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.brooklyn.api.entity.Entity; |
| import org.apache.brooklyn.api.mgmt.ExecutionContext; |
| import org.apache.brooklyn.api.mgmt.Task; |
| import org.apache.brooklyn.camp.brooklyn.spi.dsl.methods.DslComponent; |
| import org.apache.brooklyn.core.entity.AbstractEntity; |
| import org.apache.brooklyn.util.core.task.Tasks; |
| import org.apache.brooklyn.util.exceptions.Exceptions; |
| |
| /** |
| * Class that can resolve the target for a test component |
| */ |
| public abstract class TargetableTestComponentImpl extends AbstractEntity implements TargetableTestComponent { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TargetableTestComponentImpl.class); |
| |
| /** |
| * Find the target entity using "target" config key, if entity provided directly in config, or by doing an implicit |
| * lookup using DSL ($brooklyn:component("myNginX")), if id of entity provided as "targetId" config key. |
| * |
| * @return The target entity. |
| * @throws @RuntimeException if no target can be determined. |
| */ |
| public Entity resolveTarget() { |
| return resolveTarget(getExecutionContext(), this); |
| } |
| |
| /** |
| * Find the target entity in the given execution context. |
| * |
| * @see {@link #resolveTarget()}. |
| */ |
| public static Entity resolveTarget(ExecutionContext executionContext, Entity entity) { |
| Entity target = entity.getConfig(TARGET_ENTITY); |
| if (null == target) { |
| target = getTargetById(executionContext, entity); |
| } |
| return target; |
| } |
| |
| private static Entity getTargetById(ExecutionContext executionContext, Entity entity) { |
| String targetId = entity.getConfig(TARGET_ID); |
| |
| if(targetId == null){ |
| return null; |
| } |
| |
| final Task<Entity> targetLookup = new DslComponent(targetId).newTask(); |
| Entity target = null; |
| try { |
| target = Tasks.resolveValue(targetLookup, Entity.class, executionContext, "Finding entity " + targetId); |
| LOG.debug("Found target by id {}", targetId); |
| } catch (final ExecutionException | InterruptedException e) { |
| LOG.error("Error finding target {}", targetId); |
| Exceptions.propagate(e); |
| } |
| return target; |
| } |
| } |