org.apache.flink.streaming.connectors.pulsar.internal.TopicRange Maven / Gradle / Ivy
/*
* 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 org.apache.flink.streaming.connectors.pulsar.internal;
import org.apache.flink.shaded.guava18.com.google.common.base.MoreObjects;
import org.apache.flink.shaded.guava18.com.google.common.collect.ComparisonChain;
import org.apache.pulsar.client.api.Range;
import javax.validation.constraints.NotNull;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Objects;
/** topic key_share range. */
public class TopicRange implements Externalizable, Comparable {
private String topic;
private SerializableRange range;
// For deserialization only
public TopicRange() {
this(null, null);
}
public TopicRange(String topic) {
this.topic = topic;
this.range = SerializableRange.ofFullRange();
}
public TopicRange(String topic, Range range) {
this.topic = topic;
this.range = SerializableRange.of(range);
}
public TopicRange(String topic, int start, int end) {
this.topic = topic;
this.range = SerializableRange.of(start, end);
}
public String getTopic() {
return topic;
}
public SerializableRange getRange() {
return range;
}
public Range getPulsarRange() {
return range.getPulsarRange();
}
public boolean isFullRange() {
return range.isFullRange();
}
public void setTopic(String topic) {
this.topic = topic;
}
public void setRange(SerializableRange range) {
this.range = range;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof TopicRange)) {
return false;
}
TopicRange that = (TopicRange) o;
return topic.equals(that.topic) &&
range.equals(that.range);
}
@Override
public int hashCode() {
return Objects.hash(topic, range);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("topic", topic)
.add("key-range", range)
.toString();
}
@Override
public void writeExternal(ObjectOutput out) throws IOException {
out.writeUTF(topic);
out.writeObject(range);
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
this.topic = in.readUTF();
this.range = (SerializableRange) in.readObject();
}
@Override
public int compareTo(@NotNull TopicRange o) {
return ComparisonChain.start()
.compare(topic, o.topic)
.compare(range, o.range)
.result();
}
}