org.apache.pulsar.common.policies.data.impl.BookieInfoImpl Maven / Gradle / Ivy
/*
* 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.pulsar.common.policies.data.impl;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import org.apache.pulsar.common.policies.data.BookieInfo;
/**
* Bookie information.
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
public final class BookieInfoImpl implements BookieInfo {
private String rack;
private String hostname;
public static BookieInfoImplBuilder builder() {
return new BookieInfoImplBuilder();
}
public static class BookieInfoImplBuilder implements BookieInfo.Builder {
private String rack;
private String hostname;
private static final String PATH_SEPARATOR = "/";
public BookieInfoImplBuilder rack(String rack) {
this.rack = rack;
return this;
}
public BookieInfoImplBuilder hostname(String hostname) {
this.hostname = hostname;
return this;
}
public BookieInfoImpl build() {
checkArgument(rack != null && !rack.isEmpty() && !rack.equals(PATH_SEPARATOR),
"rack name is invalid, it should not be null, empty or '/'");
return new BookieInfoImpl(rack, hostname);
}
public static void checkArgument(boolean expression, @NonNull Object errorMessage) {
if (!expression) {
throw new IllegalArgumentException(String.valueOf(errorMessage));
}
}
}
}