/*
* 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;
import javax.annotation.Nullable;
import org.apache.brooklyn.api.catalog.CatalogItem;
import org.apache.brooklyn.api.entity.Entity;
import org.apache.brooklyn.api.location.Location;
import org.apache.brooklyn.api.mgmt.ManagementContext;
import org.apache.brooklyn.api.mgmt.rebind.RebindContext;
import org.apache.brooklyn.api.mgmt.rebind.RebindExceptionHandler;
import org.apache.brooklyn.api.mgmt.rebind.mementos.BrooklynMementoPersister.LookupContext;
import org.apache.brooklyn.api.objs.BrooklynObject;
import org.apache.brooklyn.api.objs.BrooklynObjectType;
import org.apache.brooklyn.api.policy.Policy;
import org.apache.brooklyn.api.sensor.Enricher;
import org.apache.brooklyn.api.sensor.Feed;
import org.apache.brooklyn.core.catalog.internal.CatalogUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** Looks in {@link RebindContext} <i>and</i> {@link ManagementContext} to find entities, locations, etc. */
public class RebindContextLookupContext implements LookupContext {
@SuppressWarnings("unused")
private static final Logger LOG = LoggerFactory.getLogger(RebindContextLookupContext.class);
@Nullable
protected final ManagementContext managementContext;
protected final RebindContextImpl rebindContext;
protected final RebindExceptionHandler exceptionHandler;
public RebindContextLookupContext(ManagementContext managementContext, RebindContextImpl rebindContext, RebindExceptionHandler exceptionHandler) {
this.managementContext = managementContext;
this.rebindContext = rebindContext;
this.exceptionHandler = exceptionHandler;
}
@Override public ManagementContext lookupManagementContext() {
return managementContext;
}
@Override public Entity lookupEntity(String id) {
Entity result = rebindContext.getEntity(id);
if (result == null) {
result = managementContext.lookup(id, Entity.class);
}
if (result == null) {
result = exceptionHandler.onDanglingEntityRef(id);
}
return result;
}
@Override public Location lookupLocation(String id) {
Location result = rebindContext.getLocation(id);
if (result == null) {
result = managementContext.lookup(id, Location.class);
}
if (result == null) {
result = exceptionHandler.onDanglingLocationRef(id);
}
return result;
}
@Override public Policy lookupPolicy(String id) {
Policy result = rebindContext.getPolicy(id);
if (result == null) {
result = managementContext.lookup(id, Policy.class);
}
if (result == null) {
result = exceptionHandler.onDanglingPolicyRef(id);
}
return result;
}
@Override public Enricher lookupEnricher(String id) {
Enricher result = rebindContext.getEnricher(id);
if (result == null) {
result = managementContext.lookup(id, Enricher.class);
}
if (result == null) {
result = exceptionHandler.onDanglingEnricherRef(id);
}
return result;
}
@Override public Feed lookupFeed(String id) {
Feed result = rebindContext.getFeed(id);
if (result == null) {
result = managementContext.lookup(id, Feed.class);
}
if (result == null) {
result = exceptionHandler.onDanglingFeedRef(id);
}
return result;
}
@SuppressWarnings("deprecation")
@Override
public CatalogItem<?, ?> lookupCatalogItem(String id) {
CatalogItem<?, ?> result = rebindContext.getCatalogItem(id);
if (result == null) {
// TODO-type-registry
// result = managementContext.getTypeRegistry().get(id, null, null);
result = CatalogUtils.getCatalogItemOptionalVersion(managementContext, id);
}
if (result == null) {
result = exceptionHandler.onDanglingCatalogItemRef(id);
}
return result;
}
@Override
public BrooklynObject lookup(BrooklynObjectType type, String id) {
if (type==null) {
BrooklynObject result = peek(null, id);
if (result==null) {
exceptionHandler.onDanglingUntypedItemRef(id);
}
type = BrooklynObjectType.of(result);
}
switch (type) {
case CATALOG_ITEM: return lookupCatalogItem(id);
case ENRICHER: return lookupEnricher(id);
case ENTITY: return lookupEntity(id);
case FEED: return lookupFeed(id);
case LOCATION: return lookupLocation(id);
case POLICY: return lookupPolicy(id);
case UNKNOWN: return null;
}
throw new IllegalStateException("Unexpected type "+type+" / id "+id);
}
@Override
public BrooklynObject peek(BrooklynObjectType type, String id) {
if (type==null) {
for (BrooklynObjectType typeX: BrooklynObjectType.values()) {
BrooklynObject result = peek(typeX, id);
if (result!=null) return result;
}
return null;
}
switch (type) {
case CATALOG_ITEM: return rebindContext.getCatalogItem(id);
case ENRICHER: return rebindContext.getEnricher(id);
case ENTITY: return rebindContext.getEntity(id);
case FEED: return rebindContext.getFeed(id);
case LOCATION: return rebindContext.getLocation(id);
case POLICY: return rebindContext.getPolicy(id);
case UNKNOWN: return null;
}
throw new IllegalStateException("Unexpected type "+type+" / id "+id);
}
}