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Neo4JAutoCommitOp.java
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Neo4JAutoCommitOp.java
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/*
* Copyright (c) 2024 nosqlbench
*
* Licensed 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 io.nosqlbench.adapter.neo4j.ops;
import org.neo4j.driver.Query;
import org.neo4j.driver.Record;
import org.neo4j.driver.async.AsyncSession;
import java.util.List;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
public class Neo4JAutoCommitOp extends Neo4JBaseOp {
public Neo4JAutoCommitOp(AsyncSession session, Query query) {
super(session, query);
}
/**
* Reference:
* - https://neo4j.com/docs/api/java-driver/current/org.neo4j.driver/org/neo4j/driver/async/AsyncSession.html#runAsync(java.lang.String,java.util.Map,org.neo4j.driver.TransactionConfig)
*/
@Override
public final Record[] apply(long value) {
try {
CompletionStage<List<Record>> resultStage = session.runAsync(query).thenComposeAsync(
cursor -> cursor.listAsync().whenComplete(
(records, throwable) -> {
if (throwable != null) {
session.closeAsync();
}
}
)
);
List<Record> recordList = resultStage.toCompletableFuture().get(300, TimeUnit.SECONDS);
return recordList.toArray(new Record[recordList.size()]);
} catch (ExecutionException exe) {
Throwable ee = exe.getCause();
if (ee instanceof RuntimeException re) {
throw re;
} else throw new NBExecutionException(exe);
} catch (InterruptedException ie) {
throw new NBInterruptedException(ie);
} catch (TimeoutException e) {
throw new NBTimeoutException(e);
}
}
}