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server/src/main/java/org/elasticsearch/index/mapper/MapperServiceAssertions.java
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| /* | ||
| * Licensed to Elasticsearch 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. | ||
| */ | ||
|
|
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| package org.elasticsearch.index.mapper; | ||
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| import com.carrotsearch.hppc.cursors.ObjectCursor; | ||
| import org.elasticsearch.Assertions; | ||
| import org.elasticsearch.cluster.metadata.IndexMetaData; | ||
| import org.elasticsearch.cluster.metadata.MappingMetaData; | ||
| import org.elasticsearch.common.compress.CompressedXContent; | ||
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| import java.util.Map; | ||
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| /** | ||
| * This class exists so that we can disable these assertions in a mixed-version cluster without disabling all assertions in | ||
| * {@link MapperService}. These assertions can not necessarily hold in a mixed-version cluster because older nodes will not be serializing | ||
| * mapping version. | ||
| */ | ||
| // TODO: this indirection can be removed when all nodes in a mixed-version cluster test understand mapping version | ||
| final class MapperServiceAssertions { | ||
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| private MapperServiceAssertions() { | ||
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| } | ||
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| /** | ||
| * Assertions regarding changes in the mapping version. | ||
| * | ||
| * @param currentIndexMetaData the current index metadata | ||
| * @param newIndexMetaData the new index metadata | ||
| * @param updatedEntries the updated document mappers | ||
| */ | ||
| static void assertMappingVersion( | ||
| final IndexMetaData currentIndexMetaData, | ||
| final IndexMetaData newIndexMetaData, | ||
| final Map<String, DocumentMapper> updatedEntries) { | ||
| if (Assertions.ENABLED && currentIndexMetaData != null) { | ||
| if (currentIndexMetaData.getMappingVersion() == newIndexMetaData.getMappingVersion()) { | ||
| // if the mapping version is unchanged, then there should not be any updates and all mappings should be the same | ||
| assert updatedEntries.isEmpty() : updatedEntries; | ||
| for (final ObjectCursor<MappingMetaData> mapping : newIndexMetaData.getMappings().values()) { | ||
| final CompressedXContent currentSource = currentIndexMetaData.mapping(mapping.value.type()).source(); | ||
| final CompressedXContent newSource = mapping.value.source(); | ||
| assert currentSource.equals(newSource) : | ||
| "expected current mapping [" + currentSource + "] for type [" + mapping.value.type() + "] " | ||
| + "to be the same as new mapping [" + newSource + "]"; | ||
| } | ||
| } else { | ||
| // if the mapping version is changed, it should increase, there should be updates, and the mapping should be different | ||
| final long currentMappingVersion = currentIndexMetaData.getMappingVersion(); | ||
| final long newMappingVersion = newIndexMetaData.getMappingVersion(); | ||
| assert currentMappingVersion < newMappingVersion : | ||
| "expected current mapping version [" + currentMappingVersion + "] " | ||
| + "to be less than new mapping version [" + newMappingVersion + "]"; | ||
| assert updatedEntries.isEmpty() == false; | ||
| for (final DocumentMapper documentMapper : updatedEntries.values()) { | ||
| final MappingMetaData currentMapping = currentIndexMetaData.mapping(documentMapper.type()); | ||
| if (currentMapping != null) { | ||
| final CompressedXContent currentSource = currentMapping.source(); | ||
| final CompressedXContent newSource = documentMapper.mappingSource(); | ||
| assert currentSource.equals(newSource) == false : | ||
| "expected current mapping [" + currentSource + "] for type [" + documentMapper.type() + "] " + | ||
| "to be different than new mapping"; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
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|
||
| } |
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