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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
*
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package com.datastax.dse.driver.internal.core.graph;
import com.datastax.dse.driver.api.core.graph.AsyncGraphResultSet;
import com.datastax.dse.driver.api.core.graph.BatchGraphStatement;
import com.datastax.dse.driver.api.core.graph.FluentGraphStatement;
import com.datastax.dse.driver.api.core.graph.GraphResultSet;
import com.datastax.dse.driver.api.core.graph.GraphStatement;
import com.datastax.dse.driver.api.core.graph.ScriptGraphStatement;
import com.datastax.oss.driver.api.core.session.Request;
import com.datastax.oss.driver.api.core.type.reflect.GenericType;
import com.datastax.oss.driver.internal.core.context.InternalDriverContext;
import com.datastax.oss.driver.internal.core.session.DefaultSession;
import com.datastax.oss.driver.internal.core.session.RequestProcessor;
import com.datastax.oss.driver.internal.core.util.concurrent.BlockingOperation;
import com.datastax.oss.driver.internal.core.util.concurrent.CompletableFutures;
import net.jcip.annotations.ThreadSafe;
@ThreadSafe
public class GraphRequestSyncProcessor
implements RequestProcessor, GraphResultSet> {
private final GraphRequestAsyncProcessor asyncProcessor;
public GraphRequestSyncProcessor(GraphRequestAsyncProcessor asyncProcessor) {
this.asyncProcessor = asyncProcessor;
}
@Override
public boolean canProcess(Request request, GenericType resultType) {
return (request instanceof ScriptGraphStatement
|| request instanceof FluentGraphStatement
|| request instanceof BatchGraphStatement
|| request instanceof BytecodeGraphStatement)
&& resultType.equals(GraphStatement.SYNC);
}
@Override
public GraphResultSet process(
GraphStatement request,
DefaultSession session,
InternalDriverContext context,
String sessionLogPrefix) {
BlockingOperation.checkNotDriverThread();
AsyncGraphResultSet firstPage =
CompletableFutures.getUninterruptibly(
asyncProcessor.process(request, session, context, sessionLogPrefix));
return GraphResultSets.toSync(firstPage);
}
@Override
public GraphResultSet newFailure(RuntimeException error) {
throw error;
}
}