org.elasticsearch.index.mapper.MergeContext Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of elasticsearch
ElasticSearch - Open Source, Distributed, RESTful Search Engine
There is a newer version: 8.14.1
/*
 * Licensed to ElasticSearch and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. ElasticSearch licenses this
 * file to you 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.elasticsearch.index.mapper;

import com.google.common.collect.Lists;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 *
 */
public class MergeContext {

    private final DocumentMapper documentMapper;
    private final DocumentMapper.MergeFlags mergeFlags;
    private final List mergeConflicts = Lists.newArrayList();

    private final FieldMapperListener.Aggregator newFieldMappers = new FieldMapperListener.Aggregator();
    private final ObjectMapperListener.Aggregator newObjectMappers = new ObjectMapperListener.Aggregator();

    private List fieldDataChanges = null;

    public MergeContext(DocumentMapper documentMapper, DocumentMapper.MergeFlags mergeFlags) {
        this.documentMapper = documentMapper;
        this.mergeFlags = mergeFlags;
    }

    public DocumentMapper docMapper() {
        return documentMapper;
    }

    public DocumentMapper.MergeFlags mergeFlags() {
        return mergeFlags;
    }

    public FieldMapperListener.Aggregator newFieldMappers() {
        return newFieldMappers;
    }

    public ObjectMapperListener.Aggregator newObjectMappers() {
        return newObjectMappers;
    }

    public void addConflict(String mergeFailure) {
        mergeConflicts.add(mergeFailure);
    }

    public boolean hasConflicts() {
        return !mergeConflicts.isEmpty();
    }

    public String[] buildConflicts() {
        return mergeConflicts.toArray(new String[mergeConflicts.size()]);
    }

    public void addFieldDataChange(FieldMapper mapper) {
        if (fieldDataChanges == null) {
            fieldDataChanges = new ArrayList();
        }
        fieldDataChanges.add(mapper);
    }

    public List fieldMapperChanges() {
        if (fieldDataChanges == null) {
            return Collections.emptyList();
        }
        return fieldDataChanges;
    }
}