/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* 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.intellij.util.indexing.impl;
import com.intellij.util.indexing.StorageException;
import org.jetbrains.annotations.NotNull;
import java.util.Map;
/**
* A class intended to make a diff between existing forward index data and new one.
*/
public abstract class InputDataDiffBuilder<Key, Value> {
protected final int myInputId;
protected InputDataDiffBuilder(int id) {myInputId = id;}
/**
* produce a diff between existing data and newData and consume result to addProcessor, updateProcessor and removeProcessor.
*/
public abstract void differentiate(@NotNull Map<Key, Value> newData,
@NotNull KeyValueUpdateProcessor<Key, Value> addProcessor,
@NotNull KeyValueUpdateProcessor<Key, Value> updateProcessor,
@NotNull RemovedKeyProcessor<Key> removeProcessor) throws StorageException;
}