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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchlib.aggregation;
import com.yahoo.document.GlobalId;
import com.yahoo.vespa.objects.Deserializer;
import com.yahoo.vespa.objects.ObjectVisitor;
import com.yahoo.vespa.objects.Serializer;
/**
* A single hit from a Vespa content cluster
*
* @author havardpe
*/
public class FS4Hit extends Hit {
public static final int classId = registerClass(0x4000 + 95, FS4Hit.class); // shared with c++
private int path = 0;
private GlobalId globalId = new GlobalId(new byte[GlobalId.LENGTH]);
private int distributionKey = -1;
/** Constructs an empty result node. */
public FS4Hit() {
}
/**
* Creates a hit with the given path and document id.
*
* @param path The mangled search node path.
* @param globalId The local document id.
* @param rank The rank of this hit.
*/
public FS4Hit(int path, GlobalId globalId, double rank) {
this(path, globalId, rank, -1);
}
/**
* Creates a hit with the given path and document id.
*
* @param path The mangled search node path.
* @param globalId The local document id.
* @param rank The rank of this hit.
* @param distributionKey The doc stamp.
*/
public FS4Hit(int path, GlobalId globalId, double rank, int distributionKey) {
super(rank);
this.path = path;
this.globalId = globalId;
this.distributionKey = distributionKey;
}
/** Returns the (mangled) network path back to the search node returning this hit. */
public int getPath() {
return path;
}
/** Returns the global document id on the search node returning this hit. */
public GlobalId getGlobalId() {
return globalId;
}
/** Returns the distribution key for the node producing this hit. */
public int getDistributionKey() {
return distributionKey;
}
@Override
protected int onGetClassId() {
return classId;
}
@Override
protected void onSerialize(Serializer buf) {
super.onSerialize(buf);
buf.putInt(null, path);
buf.put(null, globalId.getRawId());
buf.putInt(null, distributionKey);
}
@Override
protected void onDeserialize(Deserializer buf) {
super.onDeserialize(buf);
path = buf.getInt(null);
globalId = new GlobalId(buf.getBytes(null, GlobalId.LENGTH));
distributionKey = buf.getInt(null);
}
@Override
public int hashCode() {
return super.hashCode() + path + globalId.hashCode() + distributionKey;
}
@SuppressWarnings("RedundantIfStatement")
@Override
public boolean equals(Object obj) {
if (!super.equals(obj)) {
return false;
}
FS4Hit rhs = (FS4Hit)obj;
if (path != rhs.path) {
return false;
}
if (!globalId.equals(rhs.globalId)) {
return false;
}
if (distributionKey != rhs.distributionKey) {
return false;
}
return true;
}
@Override
public void visitMembers(ObjectVisitor visitor) {
super.visitMembers(visitor);
visitor.visit("path", path);
visitor.visit("globalId", globalId.toString());
visitor.visit("distributionKey", distributionKey);
}
}
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