| /* |
| * 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.appmodel; |
| |
| import java.util.List; |
| import java.util.Objects; |
| |
| import com.google.common.reflect.TypeToken; |
| import org.apache.brooklyn.api.entity.Entity; |
| import org.apache.brooklyn.config.ConfigKey; |
| import org.apache.brooklyn.core.config.ConfigKeys; |
| import org.apache.brooklyn.core.workflow.WorkflowStepDefinition; |
| import org.apache.brooklyn.core.workflow.WorkflowStepInstanceExecutionContext; |
| import org.apache.brooklyn.core.workflow.WorkflowStepResolution; |
| import org.apache.brooklyn.core.workflow.utils.WorkflowSettingItemsUtils; |
| import org.apache.commons.lang3.ObjectUtils; |
| import org.apache.commons.lang3.tuple.Pair; |
| |
| public class SetConfigWorkflowStep extends WorkflowStepDefinition { |
| |
| public static final String SHORTHAND = "[ ${config.type} ] ${config.name} [ \" on \" ${config.entity} ] [ \"=\" ${value...} ]"; |
| |
| public static final ConfigKey<EntityValueToSet> CONFIG = ConfigKeys.newConfigKey(EntityValueToSet.class, "config"); |
| public static final ConfigKey<Object> ENTITY = ConfigKeys.newConfigKey(Object.class, "entity"); |
| public static final ConfigKey<Object> VALUE = ConfigKeys.newConfigKey(Object.class, "value"); |
| |
| @Override |
| public void populateFromShorthand(String expression) { |
| populateFromShorthandTemplate(SHORTHAND, expression); |
| } |
| |
| @Override |
| protected Object doTaskBody(WorkflowStepInstanceExecutionContext context) { |
| EntityValueToSet config = context.getInput(CONFIG); |
| if (config ==null) throw new IllegalArgumentException("Config key name is required"); |
| |
| Pair<String, List<Object>> nameAndIndices = WorkflowSettingItemsUtils.resolveNameAndBracketedIndices(context, config.name, false); |
| if (nameAndIndices==null) throw new IllegalArgumentException("Config key name is required"); |
| |
| // see note on type in SetSensorWorkflowStep |
| TypeToken<?> type = context.lookupType(config.type, () -> TypeToken.of(Object.class)); |
| Object resolvedValue = context.getInput(VALUE.getName(), type); |
| Object entityO1 = context.getInput(ENTITY); |
| if (entityO1!=null && config.entity!=null && !Objects.equals(entityO1, config.entity)) |
| throw new IllegalArgumentException("Cannot specify different entities in 'entity' and 'config.entity' when setting config"); |
| Object entityO2 = ObjectUtils.firstNonNull(config.entity, entityO1, context.getEntity()); |
| final Entity entity = WorkflowStepResolution.findEntity(context, entityO2).get(); |
| |
| if (!context.hasInput(VALUE)) throw new IllegalArgumentException("Value is required"); |
| |
| Pair<Object, Object> oldValues = WorkflowSettingItemsUtils.setAtIndex(nameAndIndices, true, (_oldValue) -> resolvedValue, |
| name -> entity.config().get((ConfigKey<Object>) ConfigKeys.newConfigKey(type, name)), |
| (name, value) -> entity.config().set((ConfigKey<Object>) ConfigKeys.newConfigKey(type, name), value)); |
| WorkflowSettingItemsUtils.noteValueSetNestedMetadata(context, nameAndIndices, resolvedValue, oldValues); |
| |
| return context.getPreviousStepOutput(); |
| } |
| |
| @Override protected Boolean isDefaultIdempotent() { return true; } |
| } |