/*
* 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.isis.core.metamodel.specloader;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import com.google.common.collect.Maps;
import org.apache.isis.core.metamodel.facets.object.objectspecid.ObjectSpecIdFacet;
import org.apache.isis.core.metamodel.spec.ObjectSpecId;
import org.apache.isis.core.metamodel.spec.ObjectSpecification;
import org.apache.isis.core.metamodel.specloader.validator.MetaModelValidator;
class SpecificationCacheDefault {
private final Map<String, ObjectSpecification> specByClassName = Maps.newHashMap();
private Map<ObjectSpecId, ObjectSpecification> specById;
public ObjectSpecification get(final String className) {
return specByClassName.get(className);
}
public void cache(final String className, final ObjectSpecification spec) {
specByClassName.put(className, spec);
}
public void clear() {
specByClassName.clear();
}
public Collection<ObjectSpecification> allSpecifications() {
return Collections.unmodifiableCollection(specByClassName.values());
}
public ObjectSpecification getByObjectType(ObjectSpecId objectSpecID) {
if (!isInitialized()) {
throw new IllegalStateException("SpecificationCache by object type has not yet been initialized");
}
return specById.get(objectSpecID);
}
/**
* Populated as a result of running {@link MetaModelValidator#validate() validation} after xxxallxxx most specs have been loaded.
*/
void setCacheBySpecId(Map<ObjectSpecId, ObjectSpecification> specById) {
this.specById = Maps.newHashMap();
this.specById.putAll(specById);
}
public ObjectSpecification remove(String typeName) {
ObjectSpecification removed = specByClassName.remove(typeName);
if(removed != null) {
if(removed.containsDoOpFacet(ObjectSpecIdFacet.class)) {
// umm. It turns out that anonymous inner classes (eg org.estatio.dom.WithTitleGetter$ToString$1)
// don't have an ObjectSpecId; hence the guard.
ObjectSpecId specId = removed.getSpecId();
specById.remove(specId);
}
}
return removed;
}
/**
* @param spec
*/
public void recache(ObjectSpecification spec) {
if(!isInitialized()) {
// JRebel plugin might call this before we are actually up and running;
// just ignore.
return;
}
specById.put(spec.getSpecId(), spec);
}
boolean isInitialized() {
return specById != null;
}
}