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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vdslib.state;
/**
* A node in a content cluster. This is immutable.
*/
public class Node implements Comparable<Node> {
private final NodeType type;
private final int index;
public Node(NodeType type, int index) {
this.type = type;
this.index = index;
}
public Node(String serialized) {
int dot = serialized.lastIndexOf('.');
if (dot < 0) throw new IllegalArgumentException("Not a legal node string '" + serialized + "'.");
type = NodeType.get(serialized.substring(0, dot));
index = Integer.parseInt(serialized.substring(dot + 1));
}
public static Node ofStorage(int index) {
return new Node(NodeType.STORAGE, index);
}
public static Node ofDistributor(int index) {
return new Node(NodeType.DISTRIBUTOR, index);
}
public String toString() {
return type.toString() + "." + index;
}
public NodeType getType() { return type; }
public int getIndex() { return index; }
private int getOrdering() {
return (type.equals(NodeType.STORAGE) ? 65536 : 0) + index;
}
@Override
public int compareTo(Node n) {
return getOrdering() - n.getOrdering();
}
@Override
public int hashCode() {
return type.hashCode() ^ index;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof Node n)) return false;
return (type.equals(n.type) && index == n.index);
}
}
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