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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.vespa.documentmodel;
/**
* A value class representing a search time
* transformation on a summary field.
*
* @author bratseth
*/
public enum SummaryTransform {
NONE("none"),
ATTRIBUTE("attribute"),
BOLDED("bolded"),
DISTANCE("distance"),
DYNAMICBOLDED("dynamicbolded"),
DYNAMICTEASER("dynamicteaser"),
POSITIONS("positions"),
RANKFEATURES("rankfeatures"),
SUMMARYFEATURES("summaryfeatures"),
TEXTEXTRACTOR("textextractor"),
GEOPOS("geopos"),
ATTRIBUTECOMBINER("attributecombiner"),
MATCHED_ELEMENTS_FILTER("matchedelementsfilter"),
MATCHED_ATTRIBUTE_ELEMENTS_FILTER("matchedattributeelementsfilter"),
COPY("copy"),
DOCUMENT_ID("documentid");
private final String name;
SummaryTransform(String name) {
this.name=name;
}
public String getName() {
return name;
}
/** Returns the bolded version of this transform if possible, throws if not */
public SummaryTransform bold() {
switch (this) {
case NONE:
case BOLDED:
return BOLDED;
case DYNAMICBOLDED:
case DYNAMICTEASER:
return DYNAMICBOLDED;
default:
throw new IllegalArgumentException("Can not bold a '" + this + "' field.");
}
}
/** Returns the unbolded version of this transform */
public SummaryTransform unbold() {
switch (this) {
case NONE:
case BOLDED:
return NONE;
case DYNAMICBOLDED:
return DYNAMICTEASER;
default:
return this;
}
}
/** Returns whether this value is bolded */
public boolean isBolded() {
return this==BOLDED || this==DYNAMICBOLDED;
}
/** Whether this is dynamically generated, both teasers and bolded fields are dynamic */
public boolean isDynamic() {
return this==BOLDED || this==DYNAMICBOLDED || this==DYNAMICTEASER;
}
/** Returns whether this is a teaser, not the complete field value */
public boolean isTeaser() {
return this==DYNAMICBOLDED || this==DYNAMICTEASER;
}
/** Returns whether this transform always gets its value by accessing memory only */
public boolean isInMemory() {
switch (this) {
case ATTRIBUTE:
case DISTANCE:
case POSITIONS:
case GEOPOS:
case RANKFEATURES:
case SUMMARYFEATURES:
case ATTRIBUTECOMBINER:
case MATCHED_ATTRIBUTE_ELEMENTS_FILTER:
return true;
default:
return false;
}
}
public String toString() {
return name;
}
}
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