Package org.springframework.objenesis

Class SpringObjenesis

java.lang.Object
org.springframework.objenesis.SpringObjenesis
All Implemented Interfaces:
org.springframework.objenesis.Objenesis
public class SpringObjenesis extends Object implements org.springframework.objenesis.Objenesis
Spring-specific variant of ObjenesisStd / ObjenesisBase, providing a cache based on Class keys instead of class names, and allowing for selective use of the cache.
Since:
4.2
Author:
Juergen Hoeller
See Also:

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    IGNORE_OBJENESIS_PROPERTY_NAME
    System property that instructs Spring to ignore Objenesis, not even attempting to use it.

  • Constructor Summary

    Constructors
    Constructor
    Description
    SpringObjenesis()
    Create a new SpringObjenesis instance with the standard instantiator strategy.
    SpringObjenesis(org.springframework.objenesis.strategy.InstantiatorStrategy strategy)
    Create a new SpringObjenesis instance with the given standard instantiator strategy.

  • Method Summary

    Modifier and Type
    Method
    Description
    <T> org.springframework.objenesis.instantiator.ObjectInstantiator<T>
    getInstantiatorOf(Class<T> clazz)
     
    boolean
    isWorthTrying()
    Return whether this Objenesis instance is worth trying for instance creation, i.e.
    <T> T
    newInstance(Class<T> clazz)
     
    <T> T
    newInstance(Class<T> clazz, boolean useCache)
    Create a new instance of the given class via Objenesis.
    protected <T> org.springframework.objenesis.instantiator.ObjectInstantiator<T>
    newInstantiatorOf(Class<T> clazz)
     

    Methods inherited from class java.lang.Object

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

  • Field Details

    • IGNORE_OBJENESIS_PROPERTY_NAME

      public static final String IGNORE_OBJENESIS_PROPERTY_NAME
      System property that instructs Spring to ignore Objenesis, not even attempting to use it. Setting this flag to "true" is equivalent to letting Spring find out that Objenesis isn't working at runtime, triggering the fallback code path immediately: Most importantly, this means that all CGLIB AOP proxies will be created through regular instantiation via a default constructor.
      See Also:

  • Constructor Details

    • SpringObjenesis

      public SpringObjenesis()
      Create a new SpringObjenesis instance with the standard instantiator strategy.

    • SpringObjenesis

      public SpringObjenesis(org.springframework.objenesis.strategy.InstantiatorStrategy strategy)
      Create a new SpringObjenesis instance with the given standard instantiator strategy.
      Parameters:
      strategy - the instantiator strategy to use

  • Method Details

    • isWorthTrying

      public boolean isWorthTrying()
      Return whether this Objenesis instance is worth trying for instance creation, i.e. whether it hasn't been used yet or is known to work.

      If the configured Objenesis instantiator strategy has been identified to not work on the current JVM at all or if the "spring.objenesis.ignore" property has been set to "true", this method returns false.

    • newInstance

      public <T> T newInstance(Class<T> clazz, boolean useCache)
      Create a new instance of the given class via Objenesis.
      Parameters:
      clazz - the class to create an instance of
      useCache - whether to use the instantiator cache (typically true but can be set to false for example, for reloadable classes)
      Returns:
      the new instance (never null)
      Throws:
      org.springframework.objenesis.ObjenesisException - if instance creation failed

    • newInstance

      public <T> T newInstance(Class<T> clazz)
      Specified by:
      newInstance in interface org.springframework.objenesis.Objenesis

    • getInstantiatorOf

      public <T> org.springframework.objenesis.instantiator.ObjectInstantiator<T> getInstantiatorOf(Class<T> clazz)
      Specified by:
      getInstantiatorOf in interface org.springframework.objenesis.Objenesis

    • newInstantiatorOf

      protected <T> org.springframework.objenesis.instantiator.ObjectInstantiator<T> newInstantiatorOf(Class<T> clazz)