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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.ObjectVisitor;
import com.yahoo.vespa.objects.Serializer;
/**
* This is an integer bucket value
*
* @author <a href="mailto:havardpe@yahoo-inc.com">Haavard Pettersen</a>
* @author Simon Thoresen Hult
*/
public class StringBucketResultNode extends BucketResultNode {
// The global class identifier shared with C++.
public static final int classId = registerClass(0x4000 + 103, StringBucketResultNode.class, StringBucketResultNode::new);
// bucket start, inclusive
private ResultNode from = StringResultNode.getNegativeInfinity();
// bucket end, exclusive
private ResultNode to = StringResultNode.getNegativeInfinity();
@Override
public boolean empty() {
return to.equals(from);
}
public StringBucketResultNode() {}
/**
* Create a bucket with the given limits
*
* @param from bucket start
* @param to bucket end
*/
public StringBucketResultNode(ResultNode from, ResultNode to) {
this.from = from;
this.to = to;
}
/**
* Create a bucket with the given limits
*
* @param from bucket start
* @param to bucket end
*/
public StringBucketResultNode(String from, String to) {
this(new StringResultNode(from), new StringResultNode(to));
}
/**
* Obtain the bucket start
*
* @return bucket start
*/
public String getFrom() {
return from.getString();
}
/**
* Obtain the bucket end
*
* @return bucket end
*/
public String getTo() {
return to.getString();
}
@Override
protected int onGetClassId() {
return classId;
}
@Override
protected void onSerialize(Serializer buf) {
serializeOptional(buf, from);
serializeOptional(buf, to);
}
@Override
protected void onDeserialize(Deserializer buf) {
from = (ResultNode)deserializeOptional(buf);
to = (ResultNode)deserializeOptional(buf);
}
@Override
protected int onCmp(ResultNode rhs) {
if (classId != rhs.getClassId()) {
return (classId - rhs.getClassId());
}
StringBucketResultNode b = (StringBucketResultNode)rhs;
int diff = from.compareTo(b.from);
return (diff == 0) ? to.compareTo(b.to) : diff;
}
@Override
public int hashCode() {
return super.hashCode() + from.hashCode() + to.hashCode();
}
@Override
public void visitMembers(ObjectVisitor visitor) {
super.visitMembers(visitor);
visitor.visit("from", from);
visitor.visit("to", to);
}
}
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