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SuperReadableDiffSets.java
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SuperReadableDiffSets.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.storageengine.api.txstate;
import org.eclipse.collections.api.iterator.LongIterator;
import java.util.Iterator;
import java.util.Set;
import java.util.function.Predicate;
import org.neo4j.internal.kernel.api.exceptions.schema.ConstraintValidationException;
import org.neo4j.kernel.api.exceptions.schema.CreateConstraintFailureException;
/**
* Super class of diff sets where use of {@link LongIterator} can be parameterized
* to a specific subclass instead.
*/
public interface SuperReadableDiffSets<T>
{
boolean isAdded( T elem );
boolean isRemoved( T elem );
Set<T> getAdded();
Set<T> getRemoved();
boolean isEmpty();
Iterator<T> apply( Iterator<? extends T> source );
int delta();
SuperReadableDiffSets<T> filterAdded( Predicate<T> addedFilter );
void accept( DiffSetsVisitor<T> visitor ) throws ConstraintValidationException, CreateConstraintFailureException;
}