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Signed-off-by: Vamsi Manohar <[email protected]> SQL in search API Signed-off-by: Vamsi Manohar <[email protected]>
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23 changes: 23 additions & 0 deletions
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server/src/main/java/org/opensearch/search/externalengine/QueryEngine.java
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| /* | ||
| * 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.search.externalengine; | ||
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| import org.opensearch.action.search.SearchRequest; | ||
| import org.opensearch.action.search.SearchResponse; | ||
| import org.opensearch.core.action.ActionListener; | ||
| import org.opensearch.core.common.io.stream.NamedWriteable; | ||
| import org.opensearch.core.xcontent.ToXContentObject; | ||
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| /** | ||
| * QueryEngine abstract interface. | ||
| */ | ||
| public abstract class QueryEngine implements NamedWriteable, ToXContentObject { | ||
| public abstract void executeQuery(SearchRequest searchRequest, | ||
| ActionListener<SearchResponse> actionListener); | ||
| } |
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server/src/main/java/org/opensearch/search/externalengine/QueryEngineExtBuilder.java
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| /* | ||
| * 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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| /* | ||
| * 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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| /* | ||
| * Modifications Copyright OpenSearch Contributors. See | ||
| * GitHub history for details. | ||
| */ | ||
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| package org.opensearch.search.externalengine; | ||
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| import org.opensearch.common.CheckedFunction; | ||
| import org.opensearch.common.annotation.PublicApi; | ||
| import org.opensearch.core.common.io.stream.NamedWriteable; | ||
| 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.ToXContentFragment; | ||
| import org.opensearch.plugins.SearchPlugin; | ||
| import org.opensearch.plugins.SearchPlugin.SearchExtSpec; | ||
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| /** | ||
| * Intermediate serializable representation of a search ext section. To be subclassed by plugins that support | ||
| * a custom section as part of a search request, which will be provided within the ext element. | ||
| * Any state needs to be serialized as part of the {@link Writeable#writeTo(StreamOutput)} method and | ||
| * read from the incoming stream, usually done adding a constructor that takes {@link StreamInput} as | ||
| * an argument. | ||
| * <p> | ||
| * Registration happens through {@link SearchPlugin#getSearchExts()}, which also needs a {@link CheckedFunction} that's able to parse | ||
| * the incoming request from the REST layer into the proper {@link QueryEngineExtBuilder} subclass. | ||
| * <p> | ||
| * {@link #getWriteableName()} must return the same name as the one used for the registration | ||
| * of the {@link SearchExtSpec}. | ||
| * | ||
| * @see SearchExtSpec | ||
| * | ||
| * @opensearch.api | ||
| */ | ||
| @PublicApi(since = "1.0.0") | ||
| public abstract class QueryEngineExtBuilder implements NamedWriteable, ToXContentFragment { | ||
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| public abstract int hashCode(); | ||
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| public abstract boolean equals(Object obj); | ||
| } |
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server/src/main/java/org/opensearch/search/externalengine/QueryEngineParser.java
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| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * 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.search.externalengine; | ||
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| import java.io.IOException; | ||
| import org.opensearch.core.xcontent.XContentParser; | ||
| import org.opensearch.index.query.QueryBuilder; | ||
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| /** | ||
| * Query Engine Parser. | ||
| * @param <T> extend QuerEgnien. | ||
| */ | ||
| @FunctionalInterface | ||
| public interface QueryEngineParser<T extends QueryEngine> { | ||
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| /** | ||
| * Creates a new {@link QueryBuilder} from the query held by the | ||
| * {@link XContentParser}. The state on the parser contained in this context | ||
| * will be changed as a side effect of this method call | ||
| */ | ||
| T fromXContent(XContentParser parser) throws IOException; | ||
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| } |
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