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* add InteractiveSession and SessionManager Signed-off-by: Peng Huo <[email protected]> * add statement Signed-off-by: Peng Huo <[email protected]> * add statement Signed-off-by: Peng Huo <[email protected]> * fix format Signed-off-by: Peng Huo <[email protected]> * address comments Signed-off-by: Peng Huo <[email protected]> --------- Signed-off-by: Peng Huo <[email protected]>
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15 changes: 15 additions & 0 deletions
15
spark/src/main/java/org/opensearch/sql/spark/execution/statement/QueryRequest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package org.opensearch.sql.spark.execution.statement; | ||
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| import lombok.Data; | ||
| import org.opensearch.sql.spark.rest.model.LangType; | ||
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| @Data | ||
| public class QueryRequest { | ||
| private final LangType langType; | ||
| private final String query; | ||
| } |
85 changes: 85 additions & 0 deletions
85
spark/src/main/java/org/opensearch/sql/spark/execution/statement/Statement.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /* | ||
| * Copyright OpenSearch Contributors | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
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| package org.opensearch.sql.spark.execution.statement; | ||
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| import static org.opensearch.sql.spark.execution.statement.StatementModel.submitStatement; | ||
| import static org.opensearch.sql.spark.execution.statestore.StateStore.createStatement; | ||
| import static org.opensearch.sql.spark.execution.statestore.StateStore.getStatement; | ||
| import static org.opensearch.sql.spark.execution.statestore.StateStore.updateStatementState; | ||
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| import lombok.Builder; | ||
| import lombok.Getter; | ||
| import lombok.Setter; | ||
| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
| import org.opensearch.index.engine.DocumentMissingException; | ||
| import org.opensearch.index.engine.VersionConflictEngineException; | ||
| import org.opensearch.sql.spark.execution.session.SessionId; | ||
| import org.opensearch.sql.spark.execution.statestore.StateStore; | ||
| import org.opensearch.sql.spark.rest.model.LangType; | ||
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| /** Statement represent query to execute in session. One statement map to one session. */ | ||
| @Getter | ||
| @Builder | ||
| public class Statement { | ||
| private static final Logger LOG = LogManager.getLogger(); | ||
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| private final SessionId sessionId; | ||
| private final String applicationId; | ||
| private final String jobId; | ||
| private final StatementId statementId; | ||
| private final LangType langType; | ||
| private final String query; | ||
| private final String queryId; | ||
| private final StateStore stateStore; | ||
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| @Setter private StatementModel statementModel; | ||
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| /** Open a statement. */ | ||
| public void open() { | ||
| try { | ||
| statementModel = | ||
| submitStatement(sessionId, applicationId, jobId, statementId, langType, query, queryId); | ||
| statementModel = createStatement(stateStore).apply(statementModel); | ||
| } catch (VersionConflictEngineException e) { | ||
| String errorMsg = "statement already exist. " + statementId; | ||
| LOG.error(errorMsg); | ||
| throw new IllegalStateException(errorMsg); | ||
| } | ||
| } | ||
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| /** Cancel a statement. */ | ||
| public void cancel() { | ||
| if (statementModel.getStatementState().equals(StatementState.RUNNING)) { | ||
| String errorMsg = | ||
| String.format("can't cancel statement in waiting state. statement: %s.", statementId); | ||
| LOG.error(errorMsg); | ||
| throw new IllegalStateException(errorMsg); | ||
| } | ||
| try { | ||
| this.statementModel = | ||
| updateStatementState(stateStore).apply(this.statementModel, StatementState.CANCELLED); | ||
| } catch (DocumentMissingException e) { | ||
| String errorMsg = | ||
| String.format("cancel statement failed. no statement found. statement: %s.", statementId); | ||
| LOG.error(errorMsg); | ||
| throw new IllegalStateException(errorMsg); | ||
| } catch (VersionConflictEngineException e) { | ||
| this.statementModel = | ||
| getStatement(stateStore).apply(statementModel.getId()).orElse(this.statementModel); | ||
| String errorMsg = | ||
| String.format( | ||
| "cancel statement failed. current statementState: %s " + "statement: %s.", | ||
| this.statementModel.getStatementState(), statementId); | ||
| LOG.error(errorMsg); | ||
| throw new IllegalStateException(errorMsg); | ||
| } | ||
| } | ||
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| public StatementState getStatementState() { | ||
| return statementModel.getStatementState(); | ||
| } | ||
| } |
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