com.datastax.oss.driver.internal.core.metadata.DistanceEvent 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 com.datastax.oss.driver.internal.core.metadata;
import com.datastax.oss.driver.api.core.loadbalancing.NodeDistance;
import java.util.Objects;
import net.jcip.annotations.Immutable;
/**
* Indicates that the load balancing policy has assigned a new distance to a host.
*
* This is informational only: firing this event manually does not change the distance.
*/
@Immutable
public class DistanceEvent {
public final NodeDistance distance;
public final DefaultNode node;
public DistanceEvent(NodeDistance distance, DefaultNode node) {
this.distance = distance;
this.node = node;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
} else if (other instanceof DistanceEvent) {
DistanceEvent that = (DistanceEvent) other;
return this.distance == that.distance && Objects.equals(this.node, that.node);
} else {
return false;
}
}
@Override
public int hashCode() {
return Objects.hash(this.distance, this.node);
}
@Override
public String toString() {
return "DistanceEvent(" + distance + ", " + node + ")";
}
}