org.apache.pulsar.common.policies.data.OffloadedReadPriority 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;
import java.util.Arrays;
import java.util.stream.Collectors;
import org.apache.pulsar.common.classification.InterfaceAudience;
import org.apache.pulsar.common.classification.InterfaceStability;
@InterfaceAudience.Public
@InterfaceStability.Stable
public enum OffloadedReadPriority {
/**
* For offloaded messages, readers will try to read from bookkeeper at first,
* if messages not exist at bookkeeper then read from offloaded storage.
*/
BOOKKEEPER_FIRST("bookkeeper-first"),
/**
* For offloaded messages, readers will try to read from offloaded storage first,
* even they are still exist in bookkeeper.
*/
TIERED_STORAGE_FIRST("tiered-storage-first");
private final String value;
OffloadedReadPriority(String value) {
this.value = value;
}
public boolean equalsName(String otherName) {
return value.equals(otherName);
}
@Override
public String toString() {
return value;
}
public static OffloadedReadPriority fromString(String str) {
for (OffloadedReadPriority value : OffloadedReadPriority.values()) {
if (value.value.equals(str)) {
return value;
}
}
throw new IllegalArgumentException("--offloadedReadPriority parameter must be one of "
+ Arrays.stream(OffloadedReadPriority.values())
.map(OffloadedReadPriority::toString)
.collect(Collectors.joining(","))
+ " but got: " + str);
}
public String getValue() {
return value;
}
}