/*
* 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.mgmt.rebind.dto;
import java.util.Collection;
import java.util.Map;
import org.apache.brooklyn.api.mgmt.rebind.mementos.BrooklynMemento;
import org.apache.brooklyn.api.mgmt.rebind.mementos.EntityMemento;
import org.apache.brooklyn.api.mgmt.rebind.mementos.TreeNode;
public class MementoValidators {
private MementoValidators() {}
public static void validateMemento(BrooklynMemento memento) {
// TODO Could also validate integrity of entityReferenceAttributes and entityReferenceConfig
Collection<String> locationIds = memento.getLocationIds();
// Ensure every entity's parent/children/locations exists
validateParentChildRelations(memento.getLocationMementos());
validateParentChildRelations(memento.getEntityMementos());
for (String id : memento.getEntityIds()) {
EntityMemento entityMemento = memento.getEntityMemento(id);
for (String location : entityMemento.getLocations()) {
if (!locationIds.contains(location)) {
throw new IllegalStateException("Location "+location+" missing, for entity "+entityMemento);
}
}
}
}
private static void validateParentChildRelations(Map<String, ? extends TreeNode> nodes) {
for (Map.Entry<String, ? extends TreeNode> entry : nodes.entrySet()) {
TreeNode node = entry.getValue();
if (node.getParent() != null && !nodes.containsKey(node.getParent())) {
throw new IllegalStateException("Parent "+node.getParent()+" missing, for "+node);
}
for (String childId : node.getChildren()) {
if (childId == null) {
throw new IllegalStateException("Null child, for "+node);
}
if (!nodes.containsKey(childId)) {
throw new IllegalStateException("Child "+childId+" missing, for "+node);
}
}
}
}
}