py4j.reflection

Class TypeUtil

java.lang.Object

py4j.reflection.TypeUtil

public class TypeUtil
extends java.lang.Object

This class is responsible for the type conversion between Python types and Java types.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DISTANCE_FACTOR

Constructor Summary

Constructors

Constructor and Description
TypeUtil()

Method Summary

Modifier and Type	Method and Description
static int	computeCharacterConversion(java.lang.Class<?> parent, java.lang.Class<?> child, java.util.List<TypeConverter> converters)
static int	computeDistance(java.lang.Class<?> parent, java.lang.Class<?> child)
static int	computeNumericConversion(java.lang.Class<?> parent, java.lang.Class<?> child, java.util.List<TypeConverter> converters)
static java.lang.Class<?>	forName(java.lang.String fqn)
static java.lang.Class<?>	forName(java.lang.String fqn, JVMView view)
static java.lang.Class<?>	getClass(java.lang.String simpleName, JVMView view)
static int	getCost(java.lang.Class<?> parent, java.lang.Class<?> child)
static java.lang.String	getName(java.lang.String name, boolean shortName)
static java.util.List<java.lang.String>	getNames(java.lang.Class<?>[] classes)
static java.lang.String	getPackage(java.lang.String name)
static int	getPoint(java.lang.Class<?> clazz)
static boolean	isBoolean(java.lang.Class<?> clazz)
static boolean	isByte(java.lang.Class<?> clazz)
static boolean	isCharacter(java.lang.Class<?> clazz)
static boolean	isDouble(java.lang.Class<?> clazz)
static boolean	isFloat(java.lang.Class<?> clazz)
static boolean	isInstanceOf(java.lang.Class<?> clazz, java.lang.Object object) Checks if an object is an instance of a given class.
static boolean	isInstanceOf(java.lang.String classFQN, java.lang.Object object) Checks if an object is an instance of a given class.
static boolean	isInteger(java.lang.Class<?> clazz)
static boolean	isLong(java.lang.Class<?> clazz)
static boolean	isNumeric(java.lang.Class<?> clazz)
static boolean	isShort(java.lang.Class<?> clazz)

Methods inherited from class java.lang.Object

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

Field Detail

DISTANCE_FACTOR

public static final int DISTANCE_FACTOR

See Also:

Constant Field Values

Constructor Detail

TypeUtil

public TypeUtil()

Method Detail

computeCharacterConversion

public static int computeCharacterConversion(java.lang.Class<?> parent,
                                             java.lang.Class<?> child,
                                             java.util.List<TypeConverter> converters)

computeDistance

public static int computeDistance(java.lang.Class<?> parent,
                                  java.lang.Class<?> child)

computeNumericConversion

public static int computeNumericConversion(java.lang.Class<?> parent,
                                           java.lang.Class<?> child,
                                           java.util.List<TypeConverter> converters)

forName

public static java.lang.Class<?> forName(java.lang.String fqn)
                                  throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

forName

public static java.lang.Class<?> forName(java.lang.String fqn,
                                         JVMView view)
                                  throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

getClass

public static java.lang.Class<?> getClass(java.lang.String simpleName,
                                          JVMView view)
                                   throws java.lang.ClassNotFoundException

Throws:

java.lang.ClassNotFoundException

getCost

public static int getCost(java.lang.Class<?> parent,
                          java.lang.Class<?> child)

getName

public static java.lang.String getName(java.lang.String name,
                                       boolean shortName)

getNames

public static java.util.List<java.lang.String> getNames(java.lang.Class<?>[] classes)

getPackage

public static java.lang.String getPackage(java.lang.String name)

getPoint

public static int getPoint(java.lang.Class<?> clazz)

isBoolean

public static boolean isBoolean(java.lang.Class<?> clazz)

isByte

public static boolean isByte(java.lang.Class<?> clazz)

isCharacter

public static boolean isCharacter(java.lang.Class<?> clazz)

isDouble

public static boolean isDouble(java.lang.Class<?> clazz)

isFloat

public static boolean isFloat(java.lang.Class<?> clazz)

isInteger

public static boolean isInteger(java.lang.Class<?> clazz)

isLong

public static boolean isLong(java.lang.Class<?> clazz)

isNumeric

public static boolean isNumeric(java.lang.Class<?> clazz)

isShort

public static boolean isShort(java.lang.Class<?> clazz)

isInstanceOf

public static boolean isInstanceOf(java.lang.Class<?> clazz,
                                   java.lang.Object object)

Checks if an object is an instance of a given class.

Parameters:

clazz - The class to check

object - The object

Returns:

True if object is an instance of clazz.

isInstanceOf

public static boolean isInstanceOf(java.lang.String classFQN,
                                   java.lang.Object object)

Checks if an object is an instance of a given class.

Parameters:

classFQN - The fully qualified name of a class to check

object - The object

Returns:

True if object is an instance of the class.