jnr.ffi.provider.jffi

Class NativeRuntime

java.lang.Object

jnr.ffi.Runtime

jnr.ffi.provider.AbstractRuntime

jnr.ffi.provider.jffi.NativeRuntime

public final class NativeRuntime
extends AbstractRuntime

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	NativeRuntime.SingletonHolder
private static class	NativeRuntime.TypeDelegate

Field Summary

Fields

Modifier and Type	Field and Description
private Type[]	aliases
private NativeClosureManager	closureManager
private NativeMemoryManager	mm

Constructor Summary

Constructors

Modifier	Constructor and Description
private	NativeRuntime()

Method Summary

Modifier and Type	Method and Description
private static NativeType[]	buildNativeTypeAliases()
private static java.util.EnumMap<NativeType,Type>	buildTypeMap()
boolean	equals(java.lang.Object o)
Type	findType(TypeAlias type) Looks up the runtime-specific type that corresponds to the type alias
NativeClosureManager	getClosureManager() Gets the native closure manager for this runtime
static NativeRuntime	getInstance()
int	getLastError() Gets the last native error code.
NativeMemoryManager	getMemoryManager() Gets the native memory manager instance for this runtime
private static java.lang.ClassLoader	getParentClassLoader()
int	hashCode()
boolean	isCompatible(Runtime other) Indicates whether this Runtime instance is compatible with another Runtime instance.
private static Type	jafflType(NativeType type)
ObjectReferenceManager	newObjectReferenceManager() Creates a new ObjectReferenceManager
void	setLastError(int error) Sets the native error code.

Methods inherited from class jnr.ffi.provider.AbstractRuntime

addressMask, addressSize, byteOrder, findType, longSize

Methods inherited from class jnr.ffi.Runtime

getRuntime, getSystemRuntime

Methods inherited from class java.lang.Object

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

Field Detail

mm

private final NativeMemoryManager mm

closureManager

private final NativeClosureManager closureManager

aliases

private final Type[] aliases

Constructor Detail

NativeRuntime

private NativeRuntime()

Method Detail

getParentClassLoader

private static java.lang.ClassLoader getParentClassLoader()

getInstance

public static NativeRuntime getInstance()

buildTypeMap

private static java.util.EnumMap<NativeType,Type> buildTypeMap()

buildNativeTypeAliases

private static NativeType[] buildNativeTypeAliases()

findType

public Type findType(TypeAlias type)

Description copied from class: Runtime

Looks up the runtime-specific type that corresponds to the type alias

Specified by:

findType in class Runtime

Parameters:

type - the type alias.

Returns:

A Type instance

getMemoryManager

public final NativeMemoryManager getMemoryManager()

Description copied from class: AbstractRuntime

Gets the native memory manager instance for this runtime

Specified by:

getMemoryManager in class AbstractRuntime

Returns:

a MemoryManager

getClosureManager

public NativeClosureManager getClosureManager()

Description copied from class: Runtime

Gets the native closure manager for this runtime

Specified by:

getClosureManager in class Runtime

Returns:

The ClosureManager of the runtime

newObjectReferenceManager

public ObjectReferenceManager newObjectReferenceManager()

Description copied from class: Runtime

Creates a new ObjectReferenceManager

Specified by:

newObjectReferenceManager in class Runtime

Returns:

A new ObjectReferenceManager

getLastError

public int getLastError()

Description copied from class: AbstractRuntime

Gets the last native error code.

This returns the errno value that was set at the time of the last native function call.

Specified by:

getLastError in class AbstractRuntime

Returns:

The errno value.

setLastError

public void setLastError(int error)

Description copied from class: AbstractRuntime

Sets the native error code.

Specified by:

setLastError in class AbstractRuntime

Parameters:

error - The value to set errno to.

isCompatible

public boolean isCompatible(Runtime other)

Description copied from class: Runtime

Indicates whether this Runtime instance is compatible with another Runtime instance.

This is not the same as calling Object.equals(java.lang.Object) - this method only indicates whether or not artifacts from the runtime (e.g. memory addresses) are compatible with artifacts from this one.

This is mostly for internal use.

Specified by:

isCompatible in class Runtime

Parameters:

other - the other runtime to test for compatibility

Returns:

true if the other runtime is compatible with this one

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

jafflType

private static Type jafflType(NativeType type)