/*
* Copyright DataStax, Inc.
*
* 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 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.
/**
* 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 GraphResultSet
and AsyncGraphResultSet
. Graph result set implementations do not use this method but rather the other one below. /**
* 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<Entry<Node, Throwable>> getErrors() {
return graphExecutionInfo.getErrors();
}
@Nullable
@Override
public ByteBuffer getPagingState() {
return null;
}
@NonNull
@Override
public List<String> getWarnings() {
return graphExecutionInfo.getWarnings();
}
@NonNull
@Override
public Map<String, ByteBuffer> getIncomingPayload() {
return graphExecutionInfo.getIncomingPayload();
}
@Override
public boolean isSchemaInAgreement() {
return true;
}
@Nullable
@Override
public UUID getTracingId() {
return null;
}
@NonNull
@Override
public CompletionStage<QueryTrace> 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 ExecutionInfo
produced by request handlers into the (deprecated) type GraphExecutionInfo. /**
* 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<Entry<Node, Throwable>> getErrors() {
return executionInfo.getErrors();
}
@Override
public List<String> getWarnings() {
return executionInfo.getWarnings();
}
@Override
public Map<String, ByteBuffer> getIncomingPayload() {
return executionInfo.getIncomingPayload();
}
};
}
}