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Integrate create index with template
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server/src/main/java/org/opensearch/action/admin/indices/template/contextaware/Context.java
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|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * 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.action.admin.indices.template.contextaware; | ||
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| import org.opensearch.common.annotation.PublicApi; | ||
| 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.common.io.stream.Writeable; | ||
| import org.opensearch.core.xcontent.ConstructingObjectParser; | ||
| import org.opensearch.core.xcontent.ToXContentFragment; | ||
| import org.opensearch.core.xcontent.XContentBuilder; | ||
| import org.opensearch.core.xcontent.XContentParser; | ||
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| import java.io.IOException; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| @PublicApi(since = "3.0.0") | ||
| public class Context implements Writeable, ToXContentFragment { | ||
| private static ParseField VERSION = new ParseField("version"); | ||
| private static ParseField PARAMS = new ParseField("params"); | ||
| private static ParseField NAME = new ParseField("name"); | ||
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| private final String name; | ||
| private final long version; | ||
| private final Map<String, Object> params; | ||
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| public Context(String name, long 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.readLong(); | ||
| this.params = in.readMap(StreamInput::readString, StreamInput::readString); | ||
| } | ||
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| @Override | ||
| public void writeTo(StreamOutput out) throws IOException { | ||
| out.writeString(name); | ||
| out.writeLong(version); | ||
| out.writeMap(params, StreamOutput::writeString, (o, v) -> o.writeString(v.toString())); | ||
| } | ||
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| @Override | ||
| public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException { | ||
| builder.startObject(name); | ||
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| builder.field("version", version); | ||
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| builder.startObject("params"); | ||
| for (Map.Entry<String, Object> paramVal: this.params.entrySet()) { | ||
| builder.field(paramVal.getKey(), paramVal.getValue().toString()); | ||
| } | ||
| builder.endObject(); | ||
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| builder.endObject(); | ||
| return builder; | ||
| } | ||
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| public static Context fromXContent(XContentParser parser) throws IOException { | ||
| String contextName = null; | ||
| long version = -1L; | ||
| Map<String, Object> params = null; | ||
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| String currentFieldName = null; | ||
| XContentParser.Token token = parser.nextToken(); | ||
| if (token == null) { | ||
| throw new IllegalArgumentException("No context is specified"); | ||
| } | ||
| while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) { | ||
| if (token == XContentParser.Token.FIELD_NAME) { | ||
| currentFieldName = parser.currentName(); | ||
| } else if (token == XContentParser.Token.START_OBJECT) { | ||
| if (PARAMS.match(currentFieldName, parser.getDeprecationHandler())) { | ||
| params = parser.mapOrdered(); | ||
| } | ||
| } else if (token == XContentParser.Token.VALUE_NUMBER) { | ||
| if (VERSION.match(currentFieldName, parser.getDeprecationHandler())) { | ||
| version = parser.longValue(); | ||
| } | ||
| } else if (token == XContentParser.Token.VALUE_STRING) { | ||
| if (NAME.match(currentFieldName, parser.getDeprecationHandler())) { | ||
| contextName = parser.text(); | ||
| } | ||
| } | ||
| } | ||
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| if (contextName == null || version < 0 || params == null) { | ||
| throw new IllegalArgumentException("Unable to parse context field"); | ||
| } | ||
| return new Context(contextName, version, params); | ||
| } | ||
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| public String name() { | ||
| return name; | ||
| } | ||
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| public long version() { | ||
| return version; | ||
| } | ||
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| public Map<String, Object> params() { | ||
| return params; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "Context{" + | ||
| "name='" + name + '\'' + | ||
| ", version=" + version + | ||
| ", params=" + params + | ||
| '}'; | ||
| } | ||
| } |
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