org.jpmml.evaluator

Class TypeUtil

java.lang.Object

org.jpmml.evaluator.TypeUtil

public class TypeUtil
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static <V> V	cast(java.lang.Class<? extends V> clazz, java.lang.Object value)
static java.lang.Object	cast(org.dmg.pmml.DataType dataType, java.lang.Object value)
static boolean	equals(org.dmg.pmml.DataType dataType, java.lang.Object value, java.lang.Object referenceValue)
static java.lang.String	format(java.lang.Object value)
static org.dmg.pmml.DataType	getCommonDataType(org.dmg.pmml.DataType left, org.dmg.pmml.DataType right)
static org.dmg.pmml.DataType	getConstantDataType(java.lang.Object value)
static org.dmg.pmml.DataType	getConstantDataType(java.lang.String value)
static org.dmg.pmml.DataType	getDataType(java.util.Collection<?> values)
static org.dmg.pmml.DataType	getDataType(java.lang.Object value)
static org.dmg.pmml.OpType	getOpType(org.dmg.pmml.DataType dataType)
static java.lang.Object	parse(org.dmg.pmml.DataType dataType, java.lang.String value)
static java.lang.Object	parseOrCast(org.dmg.pmml.DataType dataType, java.lang.Object value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

format

public static java.lang.String format(java.lang.Object value)

parseOrCast

public static java.lang.Object parseOrCast(org.dmg.pmml.DataType dataType,
                                           java.lang.Object value)

Throws:

java.lang.IllegalArgumentException - If the value is a String, and it cannot be parsed to the requested representation.

TypeCheckException - If the value is an Object other than String, and it cannot be cast to the requested representation.

parse

public static java.lang.Object parse(org.dmg.pmml.DataType dataType,
                                     java.lang.String value)

Throws:

java.lang.IllegalArgumentException - If the String representation of the value cannot be parsed to the requested representation.

equals

public static boolean equals(org.dmg.pmml.DataType dataType,
                             java.lang.Object value,
                             java.lang.Object referenceValue)

getDataType

public static org.dmg.pmml.DataType getDataType(java.lang.Object value)

Returns:

The data type of the value.

getDataType

public static org.dmg.pmml.DataType getDataType(java.util.Collection<?> values)

getCommonDataType

public static org.dmg.pmml.DataType getCommonDataType(org.dmg.pmml.DataType left,
                                                      org.dmg.pmml.DataType right)

Returns:

The least restrictive data type of two numeric data types.

See Also:

DataType.INTEGER, DataType.FLOAT, DataType.DOUBLE

getOpType

public static org.dmg.pmml.OpType getOpType(org.dmg.pmml.DataType dataType)

cast

public static java.lang.Object cast(org.dmg.pmml.DataType dataType,
                                    java.lang.Object value)

Throws:

TypeCheckException - If the value cannot be cast to the requested representation.

cast

public static <V> V cast(java.lang.Class<? extends V> clazz,
                         java.lang.Object value)

getConstantDataType

public static org.dmg.pmml.DataType getConstantDataType(java.lang.Object value)

getConstantDataType

public static org.dmg.pmml.DataType getConstantDataType(java.lang.String value)