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The official Couchbase JVM Core IO Library
/*
* Copyright (c) 2018 Couchbase, 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.couchbase.client.core.msg.kv;
import com.couchbase.client.core.CoreContext;
import com.couchbase.client.core.deps.io.netty.buffer.ByteBuf;
import com.couchbase.client.core.io.CollectionIdentifier;
import com.couchbase.client.core.io.netty.kv.KeyValueChannelContext;
import com.couchbase.client.core.io.netty.kv.MemcacheProtocol;
import com.couchbase.client.core.msg.TargetedRequest;
import com.couchbase.client.core.node.NodeIdentifier;
import com.couchbase.client.core.retry.RetryStrategy;
import java.time.Duration;
import java.util.Map;
import java.util.TreeMap;
import static com.couchbase.client.core.logging.RedactableArgument.redactMeta;
import static com.couchbase.client.core.logging.RedactableArgument.redactSystem;
public class KvPingRequest extends NoopRequest implements TargetedRequest {
private final NodeIdentifier target;
public KvPingRequest(Duration timeout, CoreContext ctx, RetryStrategy retryStrategy, CollectionIdentifier identifier,
NodeIdentifier target) {
super(timeout, ctx, retryStrategy, identifier);
this.target = target;
}
@Override
public KvPingResponse decode(final ByteBuf response, KeyValueChannelContext ctx) {
return new KvPingResponse(MemcacheProtocol.decodeStatus(response), ctx.channelId().asShortText());
}
@Override
public NodeIdentifier target() {
return target;
}
@Override
public Map serviceContext() {
final Map ctx = super.serviceContext();
if (target != null) {
ctx.put("target", redactSystem(target.address()));
}
return ctx;
}
@Override
public String name() {
return "ping";
}
}