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Signed-off-by: Mohit Godwani <[email protected]>
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114 changes: 114 additions & 0 deletions
114
server/src/main/java/org/opensearch/cluster/metadata/Context.java
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| @@ -0,0 +1,114 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
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| package org.opensearch.cluster.metadata; | ||
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| import org.opensearch.cluster.AbstractDiffable; | ||
| import org.opensearch.common.annotation.ExperimentalApi; | ||
| import org.opensearch.core.ParseField; | ||
| import org.opensearch.core.common.io.stream.StreamInput; | ||
| import org.opensearch.core.common.io.stream.StreamOutput; | ||
| import org.opensearch.core.xcontent.ConstructingObjectParser; | ||
| import org.opensearch.core.xcontent.ToXContentObject; | ||
| import org.opensearch.core.xcontent.XContentBuilder; | ||
| import org.opensearch.core.xcontent.XContentParser; | ||
|
|
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| import java.io.IOException; | ||
| import java.util.Map; | ||
|
|
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| /** | ||
| * Class encapsulating the context metadata associated with an index template/index. | ||
| */ | ||
| @ExperimentalApi | ||
| public class Context extends AbstractDiffable<ComposableIndexTemplate> implements ToXContentObject { | ||
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| private static final ParseField NAME = new ParseField("name"); | ||
| private static final ParseField VERSION = new ParseField("version"); | ||
| private static final ParseField PARAMS = new ParseField("params"); | ||
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| public static final String LATEST_VERSION = "_latest"; | ||
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| private String name; | ||
| private String version = LATEST_VERSION; | ||
| private Map<String, Object> params; | ||
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| public static final ConstructingObjectParser<Context, Void> PARSER = new ConstructingObjectParser<>( | ||
| "index_template", | ||
| false, | ||
| a -> new Context( | ||
| (String) a[0], | ||
| (String) a[1], | ||
| (Map<String, Object>) a[2] | ||
| ) | ||
| ); | ||
|
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| static { | ||
| PARSER.declareString(ConstructingObjectParser.constructorArg(), NAME); | ||
| PARSER.declareString(ConstructingObjectParser.optionalConstructorArg(), VERSION); | ||
| PARSER.declareObject(ConstructingObjectParser.optionalConstructorArg(), (p, c) -> p.map(), PARAMS); | ||
| } | ||
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| public Context(String name, String version, Map<String, Object> params) { | ||
| this.name = name; | ||
| this.version = version; | ||
| this.params = params; | ||
| } | ||
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| public Context(StreamInput in) throws IOException { | ||
| this.name = in.readString(); | ||
| this.version = in.readOptionalString(); | ||
| this.params = in.readMap(); | ||
| } | ||
|
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| public String name() { | ||
| return name; | ||
| } | ||
|
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| public void name(String name) { | ||
| this.name = name; | ||
| } | ||
|
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| public String version() { | ||
| return version; | ||
| } | ||
|
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| public void version(String version) { | ||
| this.version = version; | ||
| } | ||
|
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| public Map<String, Object> params() { | ||
| return params; | ||
| } | ||
|
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| public void params(Map<String, Object> params) { | ||
| this.params = params; | ||
| } | ||
|
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeString(name); | ||
| out.writeOptionalString(version); | ||
| out.writeMap(params); | ||
| } | ||
|
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
| builder.startObject(); | ||
| builder.field(NAME.getPreferredName(), this.name); | ||
| builder.field("version", this.version); | ||
| if (params != null) { | ||
| builder.field("params", this.params); | ||
| } | ||
| builder.endObject(); | ||
| return builder; | ||
| } | ||
|
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| public static Context fromXContent(XContentParser parser) { | ||
| return PARSER.apply(parser, null); | ||
| } | ||
| } |
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