| /******************************************************************************* |
| * Copyright 2017 General Electric Company |
| * |
| * Licensed 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. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| *******************************************************************************/ |
| |
| package com.ge.predix.acs.commons.policy.condition; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import com.ge.predix.acs.commons.attribute.AttributeType; |
| import com.ge.predix.acs.model.Attribute; |
| |
| public class AbstractHandlers { |
| |
| private final List<AbstractHandler> handlers = new ArrayList<>(); |
| |
| public AbstractHandlers(final AbstractHandler... handlers) { |
| for (AbstractHandler handler : handlers) { |
| this.handlers.add(handler); |
| } |
| } |
| |
| public AbstractHandlers add(final AbstractHandler handler) { |
| this.handlers.add(handler); |
| return this; |
| } |
| |
| public AbstractHandlers haveSame(final String criteriaAttributeIssuer, final String criteriaAttributeName) { |
| |
| if (this.handlers.isEmpty()) { |
| return this; |
| } |
| |
| AttributeType criteriaAttributeType = new AttributeType(criteriaAttributeIssuer, criteriaAttributeName); |
| Iterator<AbstractHandler> iter = this.handlers.iterator(); |
| AbstractHandler current = iter.next(); |
| // If this fails it will throw an exception |
| current.has(criteriaAttributeType); |
| |
| StringBuilder handlerNames = new StringBuilder(); |
| handlerNames.append(current.getName()); |
| while (iter.hasNext()) { |
| AbstractHandler next = iter.next(); |
| handlerNames.append(" and " + next.getName()); |
| Set<Attribute> intersection = new HashSet<>(current.attributes(criteriaAttributeType)); |
| intersection.retainAll(next.attributes(criteriaAttributeType)); |
| if (intersection.isEmpty()) { |
| throw new ConditionAssertionFailedException( |
| "No intersection exists between " + handlerNames.toString() + " on " + criteriaAttributeType |
| + "."); |
| } |
| current = next; |
| } |
| |
| return this; |
| } |
| |
| /** |
| * Always returns true because if a condition was not successfully met one of the matchers above would throw an |
| * exception. |
| */ |
| public boolean result() { |
| return true; |
| } |
| } |