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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.searchlib.expression;
import com.yahoo.vespa.objects.Deserializer;
import com.yahoo.vespa.objects.Serializer;
import java.util.ArrayList;
/**
* This result holds nothing.
*
* @author baldersheim
* @author Simon Thoresen Hult
*/
public class RawResultNodeVector extends ResultNodeVector {
// The global class identifier shared with C++.
public static final int classId = registerClass(0x4000 + 115, RawResultNodeVector.class, RawResultNodeVector::new);
private ArrayList<RawResultNode> vector = new ArrayList<RawResultNode>();
@Override
protected int onGetClassId() {
return classId;
}
public RawResultNodeVector() {
}
public RawResultNodeVector add(RawResultNode v) {
vector.add(v);
return this;
}
public ResultNodeVector add(ResultNode r) {
return add((RawResultNode)r);
}
@Override public int size() { return vector.size(); }
public ArrayList<RawResultNode> getVector() {
return vector;
}
@Override
protected void onSerialize(Serializer buf) {
super.onSerialize(buf);
buf.putInt(null, vector.size());
for (RawResultNode node : vector) {
node.serialize(buf);
}
}
@Override
protected void onDeserialize(Deserializer buf) {
super.onDeserialize(buf);
int sz = buf.getInt(null);
vector = new ArrayList<RawResultNode>();
for (int i = 0; i < sz; i++) {
RawResultNode node = new RawResultNode();
node.deserialize(buf);
vector.add(node);
}
}
@Override
protected int onCmp(ResultNode rhs) {
if (classId != rhs.getClassId()) {
return (classId - rhs.getClassId());
}
RawResultNodeVector b = (RawResultNodeVector)rhs;
int minLength = vector.size();
if (b.vector.size() < minLength) {
minLength = b.vector.size();
}
int diff = 0;
for (int i = 0; (diff == 0) && (i < minLength); i++) {
diff = vector.get(i).compareTo(b.vector.get(i));
}
return (diff == 0) ? (vector.size() - b.vector.size()) : diff;
}
}
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