Package py4j.reflection

Class 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 Description
      static int DISTANCE_FACTOR  

    • Constructor Summary

      Constructors 
      Constructor Description
      TypeUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method 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

    • 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.