google-nomulus/java/google/registry/mapreduce/inputs/ChildEntityInput.java
Justine Tunney 5012893c1d mv com/google/domain/registry google/registry
This change renames directories in preparation for the great package
rename. The repository is now in a broken state because the code
itself hasn't been updated. However this should ensure that git
correctly preserves history for each file.
2016-05-13 18:55:08 -04:00

53 lines
2.2 KiB
Java

// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
//
// 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.
package com.google.domain.registry.mapreduce.inputs;
import static com.google.domain.registry.util.TypeUtils.checkNoInheritanceRelationships;
import com.google.appengine.tools.mapreduce.Input;
import com.google.appengine.tools.mapreduce.InputReader;
import com.google.common.collect.ImmutableSet;
import com.google.domain.registry.model.EppResource;
import com.google.domain.registry.model.ImmutableObject;
import com.google.domain.registry.model.index.EppResourceIndexBucket;
import com.googlecode.objectify.Key;
/**
* A MapReduce {@link Input} that loads all child objects of a given set of types, that are children
* of given {@link EppResource} types.
*/
class ChildEntityInput<R extends EppResource, I extends ImmutableObject>
extends EppResourceBaseInput<I> {
private static final long serialVersionUID = -3888034213150865008L;
private final ImmutableSet<Class<? extends R>> resourceClasses;
private final ImmutableSet<Class<? extends I>> childResourceClasses;
public ChildEntityInput(
ImmutableSet<Class<? extends R>> resourceClasses,
ImmutableSet<Class<? extends I>> childResourceClasses) {
this.resourceClasses = resourceClasses;
this.childResourceClasses = childResourceClasses;
checkNoInheritanceRelationships(ImmutableSet.<Class<?>>copyOf(resourceClasses));
checkNoInheritanceRelationships(ImmutableSet.<Class<?>>copyOf(childResourceClasses));
}
@Override
protected InputReader<I> bucketToReader(Key<EppResourceIndexBucket> bucketKey) {
return new ChildEntityReader<>(bucketKey, resourceClasses, childResourceClasses);
}
}