com.datastax.dse.driver.internal.core.graph.GraphExecutionInfoConverter Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.
*/
package com.datastax.dse.driver.internal.core.graph;
import com.datastax.dse.driver.api.core.graph.GraphStatement;
import com.datastax.oss.driver.api.core.cql.ExecutionInfo;
import com.datastax.oss.driver.api.core.cql.QueryTrace;
import com.datastax.oss.driver.api.core.cql.Statement;
import com.datastax.oss.driver.api.core.metadata.Node;
import com.datastax.oss.driver.api.core.session.Request;
import com.datastax.oss.driver.internal.core.util.concurrent.CompletableFutures;
import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.Nullable;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.UUID;
import java.util.concurrent.CompletionStage;
/**
* Handles conversions from / to GraphExecutionInfo and ExecutionInfo since GraphExecutionInfo has
* been deprecated by JAVA-2556.
*/
public class GraphExecutionInfoConverter {
/**
* Called exclusively from default methods in API interfaces {@link
* com.datastax.dse.driver.api.core.graph.GraphResultSet} and {@link
* com.datastax.dse.driver.api.core.graph.AsyncGraphResultSet}. Graph result set implementations
* do not use this method but rather the other one below.
*/
@SuppressWarnings("deprecation")
public static ExecutionInfo convert(
com.datastax.dse.driver.api.core.graph.GraphExecutionInfo graphExecutionInfo) {
return new ExecutionInfo() {
@NonNull
@Override
public Request getRequest() {
return graphExecutionInfo.getStatement();
}
@NonNull
@Override
public Statement getStatement() {
throw new ClassCastException("GraphStatement cannot be cast to Statement");
}
@Nullable
@Override
public Node getCoordinator() {
return graphExecutionInfo.getCoordinator();
}
@Override
public int getSpeculativeExecutionCount() {
return graphExecutionInfo.getSpeculativeExecutionCount();
}
@Override
public int getSuccessfulExecutionIndex() {
return graphExecutionInfo.getSuccessfulExecutionIndex();
}
@NonNull
@Override
public List> getErrors() {
return graphExecutionInfo.getErrors();
}
@Nullable
@Override
public ByteBuffer getPagingState() {
return null;
}
@NonNull
@Override
public List getWarnings() {
return graphExecutionInfo.getWarnings();
}
@NonNull
@Override
public Map getIncomingPayload() {
return graphExecutionInfo.getIncomingPayload();
}
@Override
public boolean isSchemaInAgreement() {
return true;
}
@Nullable
@Override
public UUID getTracingId() {
return null;
}
@NonNull
@Override
public CompletionStage getQueryTraceAsync() {
return CompletableFutures.failedFuture(
new IllegalStateException("Tracing was disabled for this request"));
}
@Override
public int getResponseSizeInBytes() {
return -1;
}
@Override
public int getCompressedResponseSizeInBytes() {
return -1;
}
};
}
/**
* Called from graph result set implementations, to convert the original {@link ExecutionInfo}
* produced by request handlers into the (deprecated) type GraphExecutionInfo.
*/
@SuppressWarnings("deprecation")
public static com.datastax.dse.driver.api.core.graph.GraphExecutionInfo convert(
ExecutionInfo executionInfo) {
return new com.datastax.dse.driver.api.core.graph.GraphExecutionInfo() {
@Override
public GraphStatement getStatement() {
return (GraphStatement) executionInfo.getRequest();
}
@Override
public Node getCoordinator() {
return executionInfo.getCoordinator();
}
@Override
public int getSpeculativeExecutionCount() {
return executionInfo.getSpeculativeExecutionCount();
}
@Override
public int getSuccessfulExecutionIndex() {
return executionInfo.getSuccessfulExecutionIndex();
}
@Override
public List> getErrors() {
return executionInfo.getErrors();
}
@Override
public List getWarnings() {
return executionInfo.getWarnings();
}
@Override
public Map getIncomingPayload() {
return executionInfo.getIncomingPayload();
}
};
}
}