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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.searchdefinition.derived;
import com.yahoo.document.CollectionDataType;
import com.yahoo.document.DataType;
import com.yahoo.document.MapDataType;
import com.yahoo.document.ReferenceDataType;
import com.yahoo.document.datatypes.*;
import com.yahoo.vespa.documentmodel.SummaryTransform;
/**
* A summary field derived from a search definition
*
* @author bratseth
*/
public class SummaryClassField {
private final String name;
private final Type type;
/** The summary field type enumeration */
public enum Type {
BOOL("bool"),
BYTE("byte"),
SHORT("short"),
INTEGER("integer"),
INT64("int64"),
FLOAT16("float16"),
FLOAT("float"),
DOUBLE("double"),
STRING("string"),
DATA("data"),
LONGSTRING("longstring"),
LONGDATA("longdata"),
XMLSTRING("xmlstring"),
FEATUREDATA("featuredata"),
JSONSTRING("jsonstring"),
TENSOR("tensor");
private String name;
Type(String name) {
this.name = name;
}
/** Returns the name of this type */
public String getName() {
return name;
}
public String toString() {
return "type: " + name;
}
}
public SummaryClassField(String name, DataType type, SummaryTransform transform) {
this.name = name;
this.type = convertDataType(type, transform);
}
public String getName() { return name; }
public Type getType() { return type; }
/** Converts to the right summary field type from a field datatype and a transform*/
public static Type convertDataType(DataType fieldType, SummaryTransform transform) {
FieldValue fval = fieldType.createFieldValue();
if (fval instanceof StringFieldValue) {
if (transform != null && transform.equals(SummaryTransform.RANKFEATURES)) {
return Type.FEATUREDATA;
} else if (transform != null && transform.equals(SummaryTransform.SUMMARYFEATURES)) {
return Type.FEATUREDATA;
} else {
return Type.LONGSTRING;
}
} else if (fval instanceof IntegerFieldValue) {
return Type.INTEGER;
} else if (fval instanceof LongFieldValue) {
return Type.INT64;
} else if (fval instanceof Float16FieldValue) {
return Type.FLOAT16;
} else if (fval instanceof FloatFieldValue) {
return Type.FLOAT;
} else if (fval instanceof DoubleFieldValue) {
return Type.DOUBLE;
} else if (fval instanceof BoolFieldValue) {
return Type.BOOL;
} else if (fval instanceof ByteFieldValue) {
return Type.BYTE;
} else if (fval instanceof Raw) {
return Type.DATA;
} else if (fval instanceof Struct) {
return Type.JSONSTRING;
} else if (fval instanceof PredicateFieldValue) {
return Type.STRING;
} else if (fval instanceof TensorFieldValue) {
return Type.TENSOR;
} else if (fieldType instanceof CollectionDataType) {
if (transform != null && transform.equals(SummaryTransform.POSITIONS)) {
return Type.XMLSTRING;
} else {
return Type.JSONSTRING;
}
} else if (fieldType instanceof MapDataType) {
return Type.JSONSTRING;
} else if (fieldType instanceof ReferenceDataType) {
return Type.LONGSTRING;
} else {
throw new IllegalArgumentException("Don't know which summary type to convert " + fieldType + " to");
}
}
public String toString() {
return "summary class field " + name;
}
}
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