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148 changes: 148 additions & 0 deletions
148
...t-high-level/src/main/java/org/elasticsearch/client/indices/rollover/RolloverRequest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,148 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
| package org.elasticsearch.client.indices.rollover; | ||
|
|
||
| import org.elasticsearch.action.admin.indices.rollover.Condition; | ||
| import org.elasticsearch.action.admin.indices.rollover.MaxAgeCondition; | ||
| import org.elasticsearch.action.admin.indices.rollover.MaxDocsCondition; | ||
| import org.elasticsearch.action.admin.indices.rollover.MaxSizeCondition; | ||
| import org.elasticsearch.client.TimedRequest; | ||
| import org.elasticsearch.client.indices.CreateIndexRequest; | ||
| import org.elasticsearch.common.unit.ByteSizeValue; | ||
| import org.elasticsearch.common.unit.TimeValue; | ||
| import org.elasticsearch.common.xcontent.ToXContentObject; | ||
| import org.elasticsearch.common.xcontent.XContentBuilder; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
|
|
||
| /** | ||
| * Request class to swap index under an alias upon satisfying conditions | ||
| */ | ||
| public class RolloverRequest extends TimedRequest implements ToXContentObject { | ||
|
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| private final String alias; | ||
| private final String newIndexName; | ||
| private boolean dryRun; | ||
| private final Map<String, Condition<?>> conditions = new HashMap<>(2); | ||
| //the index name "_na_" is never read back, what matters are settings, mappings and aliases | ||
| private final CreateIndexRequest createIndexRequest = new CreateIndexRequest("_na_"); | ||
|
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| public RolloverRequest(String alias, String newIndexName) { | ||
| if (alias == null) { | ||
| throw new IllegalArgumentException("The index alias cannot be null!"); | ||
| } | ||
| this.alias = alias; | ||
| this.newIndexName = newIndexName; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the alias of the rollover operation | ||
| */ | ||
| public String getAlias() { | ||
| return alias; | ||
| } | ||
|
|
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| /** | ||
| * Returns the new index name for the rollover | ||
| */ | ||
| public String getNewIndexName() { | ||
| return newIndexName; | ||
| } | ||
|
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||
|
|
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| /** | ||
| * Sets if the rollover should not be executed when conditions are met | ||
| */ | ||
| public RolloverRequest dryRun(boolean dryRun) { | ||
| this.dryRun = dryRun; | ||
| return this; | ||
| } | ||
| /** | ||
| * Returns if the rollover should not be executed when conditions are met | ||
| */ | ||
| public boolean isDryRun() { | ||
| return dryRun; | ||
| } | ||
|
|
||
| /** | ||
| * Adds condition to check if the index is at least <code>age</code> old | ||
| */ | ||
| public RolloverRequest addMaxIndexAgeCondition(TimeValue age) { | ||
| MaxAgeCondition maxAgeCondition = new MaxAgeCondition(age); | ||
| if (this.conditions.containsKey(maxAgeCondition.name())) { | ||
| throw new IllegalArgumentException(maxAgeCondition.name() + " condition is already set"); | ||
| } | ||
| this.conditions.put(maxAgeCondition.name(), maxAgeCondition); | ||
| return this; | ||
| } | ||
|
|
||
| /** | ||
| * Adds condition to check if the index has at least <code>numDocs</code> | ||
| */ | ||
| public RolloverRequest addMaxIndexDocsCondition(long numDocs) { | ||
| MaxDocsCondition maxDocsCondition = new MaxDocsCondition(numDocs); | ||
| if (this.conditions.containsKey(maxDocsCondition.name())) { | ||
| throw new IllegalArgumentException(maxDocsCondition.name() + " condition is already set"); | ||
| } | ||
| this.conditions.put(maxDocsCondition.name(), maxDocsCondition); | ||
| return this; | ||
| } | ||
| /** | ||
| * Adds a size-based condition to check if the index size is at least <code>size</code>. | ||
| */ | ||
| public RolloverRequest addMaxIndexSizeCondition(ByteSizeValue size) { | ||
| MaxSizeCondition maxSizeCondition = new MaxSizeCondition(size); | ||
| if (this.conditions.containsKey(maxSizeCondition.name())) { | ||
| throw new IllegalArgumentException(maxSizeCondition + " condition is already set"); | ||
| } | ||
| this.conditions.put(maxSizeCondition.name(), maxSizeCondition); | ||
| return this; | ||
| } | ||
| /** | ||
| * Returns all set conditions | ||
| */ | ||
| public Map<String, Condition<?>> getConditions() { | ||
| return conditions; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the inner {@link CreateIndexRequest}. Allows to configure mappings, settings and aliases for the new index. | ||
| */ | ||
| public CreateIndexRequest getCreateIndexRequest() { | ||
| return createIndexRequest; | ||
| } | ||
|
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
| builder.startObject(); | ||
| createIndexRequest.innerToXContent(builder, params); | ||
|
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| builder.startObject("conditions"); | ||
| for (Condition<?> condition : conditions.values()) { | ||
| condition.toXContent(builder, params); | ||
| } | ||
| builder.endObject(); | ||
|
|
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| builder.endObject(); | ||
| return builder; | ||
| } | ||
|
|
||
| } |
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