org.apache.pulsar.common.policies.data.BookiesRackConfiguration Maven / Gradle / Ivy
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* 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;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.TreeMap;
/**
* The rack configuration map for bookies.
*/
public class BookiesRackConfiguration extends TreeMap> {
private static final long serialVersionUID = 0L;
public synchronized boolean removeBookie(String address) {
for (Map.Entry> entry : entrySet()) {
if (entry.getValue().remove(address) != null) {
if (entry.getValue().isEmpty()) {
remove(entry.getKey());
}
return true;
}
}
return false;
}
public synchronized Optional getBookie(String address) {
for (Map m : values()) {
BookieInfo bi = m.get(address);
if (bi != null) {
return Optional.of(bi);
}
}
return Optional.empty();
}
public synchronized void updateBookie(String group, String address, BookieInfo bookieInfo) {
Objects.requireNonNull(group);
Objects.requireNonNull(address);
Objects.requireNonNull(bookieInfo);
// Remove from any group first
removeBookie(address);
computeIfAbsent(group, key -> new TreeMap<>()).put(address, bookieInfo);
}
}