com.getperka.flatpack.inject.CompositeEntityResolver Maven / Gradle / Ivy
/*
* #%L
* FlatPack serialization code
* %%
* Copyright (C) 2012 Perka Inc.
* %%
* 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.
* #L%
*/
package com.getperka.flatpack.inject;
import java.util.Collection;
import java.util.UUID;
import com.getperka.flatpack.HasUuid;
import com.getperka.flatpack.ext.EntityResolver;
/**
* Aggregates all user-provided resolvers into a single instance.
*/
class CompositeEntityResolver implements EntityResolver {
private final Collection resolvers;
CompositeEntityResolver(Collection resolvers) {
this.resolvers = resolvers;
}
@Override
public T resolve(Class clazz, UUID uuid) throws Exception {
for (EntityResolver resolver : resolvers) {
T toReturn = resolver.resolve(clazz, uuid);
if (toReturn != null) {
return toReturn;
}
}
return null;
}
}