kafka ErroneousCommandHandler 源码
kafka ErroneousCommandHandler 代码
文件路径：/shell/src/main/java/org/apache/kafka/shell/ErroneousCommandHandler.java
/*
* 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 org.apache.kafka.shell;
import java.io.PrintWriter;
import java.util.Objects;
import java.util.Optional;
/**
* Handles erroneous commands.
*/
public final class ErroneousCommandHandler implements Commands.Handler {
private final String message;
public ErroneousCommandHandler(String message) {
this.message = message;
}
@Override
public void run(Optional<InteractiveShell> shell,
PrintWriter writer,
MetadataNodeManager manager) {
writer.println(message);
}
@Override
public int hashCode() {
return Objects.hashCode(message);
}
@Override
public boolean equals(Object other) {
if (!(other instanceof ErroneousCommandHandler)) return false;
ErroneousCommandHandler o = (ErroneousCommandHandler) other;
if (!Objects.equals(o.message, message)) return false;
return true;
}
@Override
public String toString() {
return "ErroneousCommandHandler(" + message + ")";
}
}
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