// Copyright 2017 JanusGraph Authors
//
// 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 org.janusgraph.graphdb.transaction.addedrelations;
import com.google.common.base.Predicate;
import org.janusgraph.graphdb.internal.InternalRelation;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* @author Matthias Broecheler (me@matthiasb.com)
*/
public class SimpleAddedRelations extends ArrayList<InternalRelation> implements AddedRelationsContainer {
private static final int INITIAL_ADDED_SIZE = 10;
public SimpleAddedRelations() {
super(INITIAL_ADDED_SIZE);
}
@Override
public boolean add(InternalRelation relation) {
return super.add(relation);
}
@Override
public boolean remove(InternalRelation relation) {
return super.remove(relation);
}
@Override
public List<InternalRelation> getView(Predicate<InternalRelation> filter) {
List<InternalRelation> result = new ArrayList<InternalRelation>();
for (InternalRelation r : this) {
if (filter.apply(r)) result.add(r);
}
return result;
}
@Override
public Collection<InternalRelation> getAll() {
return this;
}
}