Eclipse ORB Primitive Function Library 5.1.1 · org.glassfish.pfl.basic.reflection.BridgeBase

Modifier and Type	Field and Description
public static final long	INVALID_FIELD_OFFSET This constant differs from all results that will ever be returned from `objectFieldOffset`.
private final StackWalker	stackWalker
private final Unsafe	unsafe

Access	Constructor and Description
public	BridgeBase()

Method Summary

Modifier and Type	Method and Description
public Class<?>	Returns: a new instantiable class, in the package and classloader of the anchor class. defineClass(Class<?> the class from which the package and classloader of the new class are to be taken. anchorClass, String the name of the class to define className, byte[] the bytes used to define the class classBytes) Defines a new class from bytecode.
public void	ensureClassInitialized(Class<?> the class to ensure is initialized cl) Ensure that the class has been initialized.
public final boolean	getBoolean(Object o, long offset)
public final byte	getByte(Object o, long offset)
public final char	getChar(Object o, long offset)
public final double	getDouble(Object o, long offset)
public final float	getFloat(Object o, long offset)
public final int	Returns: the value fetched from the indicated Java field getInt(Object Java heap object in which the field from which the offset was obtained resides o, long indication of where the field resides in a Java heap object offset) Fetches a field element within the given object `o` at the given offset.
public ClassLoader	getLatestUserDefinedLoader() Obtain the latest user defined ClassLoader from the call stack.
private Optional<StackWalker.StackFrame>	getLatestUserDefinedLoaderFrame(Stream<StackWalker.StackFrame> stream)
public final long	getLong(Object o, long offset)
public final <T> T	getObject(Object o, long offset)
public final short	getShort(Object o, long offset)
public abstract boolean	hasStaticInitializerForSerialization(Class<?> cl) Returns true if the given class defines a static initializer method, false otherwise.
private boolean	isClassOpenToModule(Class<?> candidateClass, Module callingModule)
private boolean	isUserLoader(StackWalker.StackFrame sf)
public abstract <T> Constructor<T>	newConstructorForExternalization(Class<T> the class cl) Return a constructor that can be used to create an instance of the class for externalization.
public abstract <T> Constructor<T>	newConstructorForSerialization(Class<T> the class for which a constructor should be returned. aClass, Constructor<?> the default constructor on which to model the new constructor. cons) Return a no-arg constructor for the specified class which invokes the specified constructor.
public abstract <T> Constructor<T>	newConstructorForSerialization(Class<T> the class for which a constructor should be returned. aClass) Return a no-arg constructor for the specified class, based on the default constructor for its nearest non-serializable base class.
public abstract OptionalDataException	Returns: a new OptionalDataException instance newOptionalDataExceptionForSerialization(boolean bool) Return a new OptionalDataException instance.
public final long	objectFieldOffset(Field f) Returns the offset of a non-static field, which can be passed into the set...
public final void	putBoolean(Object o, long offset, boolean x)
public final void	putByte(Object o, long offset, byte x)
public final void	putChar(Object o, long offset, char x)
public final void	putDouble(Object o, long offset, double x)
public final void	putFloat(Object o, long offset, float x)
public final void	putInt(Object Java heap object in which the field resides, if any, else null o, long indication of where the field resides in a Java heap object. offset, int the value to store into the indicated Java field x) Stores a value into a given Java field.
public final void	putLong(Object o, long offset, long x)
public final void	putObject(Object o, long offset, Object x)
public final void	putShort(Object o, long offset, short x)
public abstract MethodHandle	readObjectForSerialization(Class<?> the class containing the method cl) Returns a method handle to allow invocation of the specified class's readObject method.
public abstract MethodHandle	readResolveForSerialization(Class<?> the class containing the method cl) Returns a method handle to allow invocation of the specified class's readResolve method.
public final long	staticFieldOffset(Field f)
public final void	throwException(Throwable ee) Throw the exception.
public Field	Returns: the original field, rendered accessible, or null. toAccessibleField(Field the field to make accessible field, Class<?> the class which wants to access it. callingClass) Returns the specified field after calling setAccessible, if it is accessible from the specified class.
public Method	Returns: the original method, rendered accessible, or null. toAccessibleMethod(Method the method to make accessible method, Class<?> the class which wants to access it. callingClass) Returns the specified method after calling setAccessible, if it is accessible from the specified class.
public abstract MethodHandle	writeObjectForSerialization(Class<?> the class containing the method cl) Returns a method handle to allow invocation of the specified class's writeObject method.
public abstract MethodHandle	writeReplaceForSerialization(Class<?> the class containing the method cl) Returns a method handle to allow invocation of the specified class's writeReplace method.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

INVALID_FIELD_OFFSET	back to summary
public static final long INVALID_FIELD_OFFSET This constant differs from all results that will ever be returned from `objectFieldOffset`.

stackWalker	back to summary
private final StackWalker stackWalker

unsafe	back to summary
private final Unsafe unsafe

BridgeBase	back to summary
public BridgeBase()

Method Detail

defineClass	back to summary
public Class<?> defineClass(Class<?> anchorClass, String className, byte[] classBytes) Defines a new class from bytecode. The class will be defined in the classloader and package associated with a specified 'anchor class'. Parameters anchorClass:Class<?> the class from which the package and classloader of the new class are to be taken. className:String the name of the class to define classBytes:byte[] the bytes used to define the class Returns:Class<?> a new instantiable class, in the package and classloader of the anchor class.

defineClass

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public Class<?> defineClass(Class<?> anchorClass, String className, byte[] classBytes)

Defines a new class from bytecode. The class will be defined in the classloader and package associated with a specified 'anchor class'.

Parameters

anchorClass:Class<?>: the class from which the package and classloader of the new class are to be taken.
className:String: the name of the class to define
classBytes:byte[]: the bytes used to define the class

Returns:Class<?>

a new instantiable class, in the package and classloader of the anchor class.

ensureClassInitialized	back to summary
public void ensureClassInitialized(Class<?> cl) Ensure that the class has been initialized. Parameters cl:Class<?> the class to ensure is initialized

ensureClassInitialized

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public void ensureClassInitialized(Class<?> cl)

Ensure that the class has been initialized.

Parameters

cl:Class<?>: the class to ensure is initialized

getBoolean	back to summary
public final boolean getBoolean(Object o, long offset) See Also `getInt(Object, long)`

getByte	back to summary
public final byte getByte(Object o, long offset) See Also `getInt(Object, long)`

getChar	back to summary
public final char getChar(Object o, long offset) See Also `getInt(Object, long)`

getDouble	back to summary
public final double getDouble(Object o, long offset) See Also `getInt(Object, long)`

getFloat	back to summary
public final float getFloat(Object o, long offset) See Also `getInt(Object, long)`

getInt back to summary

getInt	back to summary
public final int getInt(Object o, long offset) Fetches a field element within the given object `o` at the given offset. The result is undefined unless the offset was obtained from `objectFieldOffset` on the `java.lang.reflect.Field` of some Java field and the object referred to by `o` is of a class compatible with that field's class. Parameters o:Object Java heap object in which the field from which the offset was obtained resides offset:long indication of where the field resides in a Java heap object Returns:int the value fetched from the indicated Java field Exceptions RuntimeException: No defined exceptions are thrown, not even `NullPointerException`

public final int getInt(Object o, long offset)

Fetches a field element within the given object o at the given offset. The result is undefined unless the offset was obtained from objectFieldOffset on the java.lang.reflect.Field of some Java field and the object referred to by o is of a class compatible with that field's class.

Parameters

o:Object: Java heap object in which the field from which the offset was obtained resides
offset:long: indication of where the field resides in a Java heap object

Returns:int

the value fetched from the indicated Java field

Exceptions

RuntimeException:: No defined exceptions are thrown, not even NullPointerException

getLatestUserDefinedLoader	back to summary
public ClassLoader getLatestUserDefinedLoader() Obtain the latest user defined ClassLoader from the call stack. This is required by the RMI-IIOP specification.

getLatestUserDefinedLoaderFrame	back to summary
private Optional<StackWalker.StackFrame> getLatestUserDefinedLoaderFrame(Stream<StackWalker.StackFrame> stream)

getLong	back to summary
public final long getLong(Object o, long offset) See Also `getInt(Object, long)`

getObject	back to summary
public final <T> T getObject(Object o, long offset) Annotations @SuppressWarnings:unchecked See Also `getInt(Object, long)`

getShort	back to summary
public final short getShort(Object o, long offset) See Also `getInt(Object, long)`

hasStaticInitializerForSerialization	back to summary
public abstract boolean hasStaticInitializerForSerialization(Class<?> cl) Returns true if the given class defines a static initializer method, false otherwise.

isClassOpenToModule	back to summary
private boolean isClassOpenToModule(Class<?> candidateClass, Module callingModule)

isUserLoader	back to summary
private boolean isUserLoader(StackWalker.StackFrame sf)

newConstructorForExternalization	back to summary
public abstract <T> Constructor<T> newConstructorForExternalization(Class<T> cl) Return a constructor that can be used to create an instance of the class for externalization. Parameters cl:Class<T> the class

newConstructorForExternalization

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public abstract <T> Constructor<T> newConstructorForExternalization(Class<T> cl)

Return a constructor that can be used to create an instance of the class for externalization.

Parameters

cl:Class<T>: the class

newConstructorForSerialization	back to summary
public abstract <T> Constructor<T> newConstructorForSerialization(Class<T> aClass, Constructor<?> cons) Return a no-arg constructor for the specified class which invokes the specified constructor. Parameters aClass:Class<T> the class for which a constructor should be returned. cons:Constructor<?> the default constructor on which to model the new constructor.

newConstructorForSerialization

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public abstract <T> Constructor<T> newConstructorForSerialization(Class<T> aClass, Constructor<?> cons)

Return a no-arg constructor for the specified class which invokes the specified constructor.

Parameters

aClass:Class<T>: the class for which a constructor should be returned.
cons:Constructor<?>: the default constructor on which to model the new constructor.

newConstructorForSerialization	back to summary
public abstract <T> Constructor<T> newConstructorForSerialization(Class<T> aClass) Return a no-arg constructor for the specified class, based on the default constructor for its nearest non-serializable base class. Parameters aClass:Class<T> the class for which a constructor should be returned.

newConstructorForSerialization

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public abstract <T> Constructor<T> newConstructorForSerialization(Class<T> aClass)

Return a no-arg constructor for the specified class, based on the default constructor for its nearest non-serializable base class.

Parameters

aClass:Class<T>: the class for which a constructor should be returned.

newOptionalDataExceptionForSerialization	back to summary
public abstract OptionalDataException newOptionalDataExceptionForSerialization(boolean bool) Return a new OptionalDataException instance. Returns:OptionalDataException a new OptionalDataException instance

newOptionalDataExceptionForSerialization

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public abstract OptionalDataException newOptionalDataExceptionForSerialization(boolean bool)

Return a new OptionalDataException instance.

Returns:OptionalDataException: a new OptionalDataException instance

objectFieldOffset back to summary

objectFieldOffset	back to summary
public final long objectFieldOffset(Field f) Returns the offset of a non-static field, which can be passed into the set... or get... methods. See Also `getInt(Object, long)`

public final long objectFieldOffset(Field f)

Returns the offset of a non-static field, which can be passed into the set... or get... methods.

See Also: getInt(Object, long)

putBoolean	back to summary
public final void putBoolean(Object o, long offset, boolean x) See Also `putInt(Object, long, int)`

putByte	back to summary
public final void putByte(Object o, long offset, byte x) See Also `putInt(Object, long, int)`

putChar	back to summary
public final void putChar(Object o, long offset, char x) See Also `putInt(Object, long, int)`

putDouble	back to summary
public final void putDouble(Object o, long offset, double x) See Also `putInt(Object, long, int)`

putFloat	back to summary
public final void putFloat(Object o, long offset, float x) See Also `putInt(Object, long, int)`

putInt back to summary

putInt	back to summary
public final void putInt(Object o, long offset, int x) Stores a value into a given Java field. The first two parameters are interpreted exactly as with `getInt(Object, long)` to refer to a specific Java field. The given value is stored into that field. The field must be of the same type as the method parameter `x`. Parameters o:Object Java heap object in which the field resides, if any, else null offset:long indication of where the field resides in a Java heap object. x:int the value to store into the indicated Java field Exceptions RuntimeException: No defined exceptions are thrown, not even `NullPointerException`

public final void putInt(Object o, long offset, int x)

Stores a value into a given Java field.

The first two parameters are interpreted exactly as with getInt(Object, long) to refer to a specific Java field. The given value is stored into that field.

The field must be of the same type as the method parameter x.

Parameters

o:Object: Java heap object in which the field resides, if any, else null
offset:long: indication of where the field resides in a Java heap object.
x:int: the value to store into the indicated Java field

Exceptions

RuntimeException:: No defined exceptions are thrown, not even NullPointerException

putLong	back to summary
public final void putLong(Object o, long offset, long x) See Also `putInt(Object, long, int)`

putObject	back to summary
public final void putObject(Object o, long offset, Object x) See Also `putInt(Object, long, int)`

putShort	back to summary
public final void putShort(Object o, long offset, short x) See Also `putInt(Object, long, int)`

readObjectForSerialization	back to summary
public abstract MethodHandle readObjectForSerialization(Class<?> cl) throws NoSuchMethodException, IllegalAccessException Returns a method handle to allow invocation of the specified class's readObject method. Parameters cl:Class<?> the class containing the method

readObjectForSerialization

back to summary

public abstract MethodHandle readObjectForSerialization(Class<?> cl) throws NoSuchMethodException, IllegalAccessException

Returns a method handle to allow invocation of the specified class's readObject method.

Parameters

cl:Class<?>: the class containing the method

readResolveForSerialization	back to summary
public abstract MethodHandle readResolveForSerialization(Class<?> cl) Returns a method handle to allow invocation of the specified class's readResolve method. Parameters cl:Class<?> the class containing the method

readResolveForSerialization

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public abstract MethodHandle readResolveForSerialization(Class<?> cl)

Returns a method handle to allow invocation of the specified class's readResolve method.

Parameters

cl:Class<?>: the class containing the method

staticFieldOffset	back to summary
public final long staticFieldOffset(Field f)

throwException	back to summary
public final void throwException(Throwable ee) Throw the exception. The exception may be an undeclared checked exception.

toAccessibleField	back to summary
public Field toAccessibleField(Field field, Class<?> callingClass) Returns the specified field after calling setAccessible, if it is accessible from the specified class. Parameters field:Field the field to make accessible callingClass:Class<?> the class which wants to access it. Returns:Field the original field, rendered accessible, or null.

toAccessibleField

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public Field toAccessibleField(Field field, Class<?> callingClass)

Returns the specified field after calling setAccessible, if it is accessible from the specified class.

Parameters

field:Field: the field to make accessible
callingClass:Class<?>: the class which wants to access it.

Returns:Field

the original field, rendered accessible, or null.

toAccessibleMethod	back to summary
public Method toAccessibleMethod(Method method, Class<?> callingClass) Returns the specified method after calling setAccessible, if it is accessible from the specified class. Parameters method:Method the method to make accessible callingClass:Class<?> the class which wants to access it. Returns:Method the original method, rendered accessible, or null.

toAccessibleMethod

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public Method toAccessibleMethod(Method method, Class<?> callingClass)

Returns the specified method after calling setAccessible, if it is accessible from the specified class.

Parameters

method:Method: the method to make accessible
callingClass:Class<?>: the class which wants to access it.

Returns:Method

the original method, rendered accessible, or null.

writeObjectForSerialization	back to summary
public abstract MethodHandle writeObjectForSerialization(Class<?> cl) throws NoSuchMethodException, IllegalAccessException Returns a method handle to allow invocation of the specified class's writeObject method. Parameters cl:Class<?> the class containing the method

writeObjectForSerialization

back to summary

public abstract MethodHandle writeObjectForSerialization(Class<?> cl) throws NoSuchMethodException, IllegalAccessException

Returns a method handle to allow invocation of the specified class's writeObject method.

Parameters

cl:Class<?>: the class containing the method

writeReplaceForSerialization	back to summary
public abstract MethodHandle writeReplaceForSerialization(Class<?> cl) Returns a method handle to allow invocation of the specified class's writeReplace method. Parameters cl:Class<?> the class containing the method

writeReplaceForSerialization

back to summary

public abstract MethodHandle writeReplaceForSerialization(Class<?> cl)

Returns a method handle to allow invocation of the specified class's writeReplace method.

Parameters

cl:Class<?>: the class containing the method

public abstract Class BridgeBase

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