com.datastax.oss.driver.internal.core.metadata.DefaultEndPoint Maven / Gradle / Ivy
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/*
* Copyright DataStax, Inc.
*
* 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 com.datastax.oss.driver.internal.core.metadata;
import com.datastax.oss.driver.api.core.metadata.EndPoint;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.io.Serializable;
import java.net.InetSocketAddress;
import java.util.Objects;
public class DefaultEndPoint implements EndPoint, Serializable {
private static final long serialVersionUID = 1;
private final InetSocketAddress address;
private final String metricPrefix;
public DefaultEndPoint(InetSocketAddress address) {
this.address = Objects.requireNonNull(address, "address can't be null");
this.metricPrefix = buildMetricPrefix(address);
}
@NonNull
@Override
public InetSocketAddress resolve() {
return address;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
} else if (other instanceof DefaultEndPoint) {
InetSocketAddress thisAddress = this.address;
InetSocketAddress thatAddress = ((DefaultEndPoint) other).address;
// If only one of the addresses is unresolved, resolve the other. Otherwise (both resolved or
// both unresolved), compare as-is.
if (thisAddress.isUnresolved() && !thatAddress.isUnresolved()) {
thisAddress = new InetSocketAddress(thisAddress.getHostName(), thisAddress.getPort());
} else if (thatAddress.isUnresolved() && !thisAddress.isUnresolved()) {
thatAddress = new InetSocketAddress(thatAddress.getHostName(), thatAddress.getPort());
}
return thisAddress.equals(thatAddress);
} else {
return false;
}
}
@Override
public int hashCode() {
return address.hashCode();
}
@Override
public String toString() {
return address.toString();
}
@NonNull
@Override
public String asMetricPrefix() {
return metricPrefix;
}
private static String buildMetricPrefix(InetSocketAddress address) {
String hostString = address.getHostString();
if (hostString == null) {
throw new IllegalArgumentException(
"Could not extract a host string from provided address " + address);
}
// Append the port since Cassandra 4 supports nodes with different ports
return hostString.replace('.', '_') + ':' + address.getPort();
}
}