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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.search.query.profile.compiled;
import com.yahoo.search.query.profile.DimensionValues;
import com.yahoo.search.query.profile.types.QueryProfileType;
import java.util.Objects;
import java.util.Optional;
/**
* A value in a query profile with information about its source.
*
* @author bratseth
*/
public class ValueWithSource {
private final Object value;
private final String source;
private final boolean isUnoverridable;
private final boolean isQueryProfile;
private final QueryProfileType type;
/** The dimension values specifying a variant in that profile, or null if it is not in a variant */
private final DimensionValues variant;
public ValueWithSource(Object value,
String source,
boolean isUnoverridable, boolean isQueryProfile, QueryProfileType type,
DimensionValues variant) {
this.value = value;
this.source = source;
this.isUnoverridable = isUnoverridable;
this.isQueryProfile = isQueryProfile;
this.type = type;
this.variant = variant;
}
/**
* Returns the value at this key, or null if none
* (in which case this is references a query profile which has no value set).
*/
public Object value() { return value; }
/** Returns the source of the query profile having a value */
public String source() { return source; }
/** Returns true if this value cannot be overridden in queries */
public boolean isUnoverridable() { return isUnoverridable; }
/**
* Returns true if this key references a query profile (i.e a non-leaf).
* In this case the value may or may not be null, as non-leafs may have values.
*/
public boolean isQueryProfile() { return isQueryProfile; }
/** Returns tye type of this if it refers to a query profile (not a leaf value), and it has a type */
public QueryProfileType queryProfileType() { return type; }
public ValueWithSource withValue(Object value) {
return new ValueWithSource(value, source, isUnoverridable, isQueryProfile, type, variant);
}
public ValueWithSource withSource(String source) {
return new ValueWithSource(value, source, isUnoverridable, isQueryProfile, type, variant);
}
public ValueWithSource withVariant(Optional<DimensionValues> variant) {
return new ValueWithSource(value, source, isUnoverridable, isQueryProfile, type, variant.orElse(null));
}
/** Returns the variant having this value, or empty if it's not in a variant */
public Optional<DimensionValues> variant() { return Optional.ofNullable(variant); }
@Override
public int hashCode() {
// Value is always a value object. Don't include source in identity.
return Objects.hash(value, isUnoverridable, type);
}
@Override
public boolean equals(Object o) {
if (o == this) return true;
if ( ! (o instanceof ValueWithSource)) return false;
ValueWithSource other = (ValueWithSource)o;
if ( ! Objects.equals(this.value, other.value)) return false;
if ( ! Objects.equals(this.isUnoverridable, other.isUnoverridable)) return false;
if ( ! Objects.equals(this.type, other.type)) return false;
return true;
}
@Override
public String toString() {
if (source == null && variant == null) return value.toString();
return value + " (" +
( source != null ? "from query profile '" + source + "'" : "") +
( variant != null ? " variant " + variant : "") +
")";
}
}
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