org.apache.flink.runtime.rest.handler.LegacyRestHandlerAdapter Maven / Gradle / Ivy
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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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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*/
package org.apache.flink.runtime.rest.handler;
import org.apache.flink.api.common.time.Time;
import org.apache.flink.runtime.rest.messages.EmptyRequestBody;
import org.apache.flink.runtime.rest.messages.MessageHeaders;
import org.apache.flink.runtime.rest.messages.MessageParameters;
import org.apache.flink.runtime.rest.messages.ResponseBody;
import org.apache.flink.runtime.webmonitor.RestfulGateway;
import org.apache.flink.runtime.webmonitor.retriever.GatewayRetriever;
import org.apache.flink.util.Preconditions;
import javax.annotation.Nonnull;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
/**
* Adapter for Flink's legacy REST handlers.
*
* @param type of the gateway
* @param type of the REST response
* @param type of the MessageParameters
*/
public class LegacyRestHandlerAdapter extends AbstractRestHandler {
private final LegacyRestHandler legacyRestHandler;
public LegacyRestHandlerAdapter(
CompletableFuture localRestAddress,
GatewayRetriever leaderRetriever,
Time timeout,
Map headers,
MessageHeaders messageHeaders,
LegacyRestHandler legacyRestHandler) {
super(localRestAddress, leaderRetriever, timeout, headers, messageHeaders);
this.legacyRestHandler = Preconditions.checkNotNull(legacyRestHandler);
}
@Override
protected CompletableFuture handleRequest(@Nonnull HandlerRequest request, @Nonnull T gateway) throws RestHandlerException {
return legacyRestHandler.handleRequest(request, gateway);
}
}