org.gridgain.grid.util

Class GridReflectionCache

java.lang.Object

org.gridgain.grid.util.GridReflectionCache

All Implemented Interfaces:

Externalizable, Serializable

public class GridReflectionCache
extends Object
implements Externalizable

Reflection field and method cache for classes.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
GridReflectionCache() Reflection cache without any method or field predicates.
GridReflectionCache(GridPredicate<Field> fp, GridPredicate<Method> mp) Reflection cache with specified field and method predicates.

Method Summary

Methods

Modifier and Type	Method and Description
List<Field>	fields(Class<?> cls) Gets fields.
Field	firstField(Class<?> cls) Gets first field in the class list of fields.
Object	firstFieldValue(Object o) Gets field value for object.
Method	firstMethod(Class<?> cls) Gets first method in the class list of methods.
Object	firstMethodValue(Object o) Gets method return value for object.
List<Method>	methods(Class<?> cls) Gets methods.
void	readExternal(ObjectInput in)
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

GridReflectionCache

public GridReflectionCache()

Reflection cache without any method or field predicates.

GridReflectionCache

public GridReflectionCache(@Nullable
                   GridPredicate<Field> fp,
                   @Nullable
                   GridPredicate<Method> mp)

Reflection cache with specified field and method predicates.

Parameters:

fp - Field predicate.

mp - Method predicate.

Method Detail

firstFieldValue

@Nullable
public Object firstFieldValue(Object o)
                       throws GridException

Gets field value for object.

Parameters:

o - Key to get affinity key for.

Returns:

Value of the field for given object or null if field was not found.

Throws:

GridException - If failed.

firstMethodValue

@Nullable
public Object firstMethodValue(Object o)
                        throws GridException

Gets method return value for object.

Parameters:

o - Key to get affinity key for.

Returns:

Method return value for given object or null if method was not found.

Throws:

GridException - If failed.

firstField

@Nullable
public Field firstField(Class<?> cls)

Gets first field in the class list of fields.

Parameters:

cls - Class.

Returns:

First field.

firstMethod

@Nullable
public Method firstMethod(Class<?> cls)

Gets first method in the class list of methods.

Parameters:

cls - Class.

Returns:

First method.

fields

public List<Field> fields(Class<?> cls)

Gets fields.

Parameters:

cls - Class.

Returns:

Annotated field.

methods

public List<Method> methods(Class<?> cls)

Gets methods.

Parameters:

cls - Class.

Returns:

Annotated method.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException