Package com.google.appengine.api.datastore

Class RawValue

java.lang.Object

com.google.appengine.api.datastore.RawValue

All Implemented Interfaces:

Serializable

public final class RawValue
extends Object
implements Serializable

A raw datastore value.

These are returned by projection queries when a PropertyProjection does not specify a type.

See Also:

• Query.getProjections()
• Serialized Form

Method Summary

Modifier and Type	Method	Description
<T> @Nullable T	asStrictType(Class<T> type)	Returns an object of the exact type passed in.
@Nullable Object	asType(Class<?> type)	Returns the object normally returned by the datastore if given type is passed in.
boolean	equals(@Nullable Object obj)
@Nullable Object	getValue()	Returns the raw value.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Details

asStrictType

public <T> @Nullable T asStrictType(Class<T> type)

Returns an object of the exact type passed in.

Parameters:

type - the class object for the desired type

Returns:

an object of type T or null

Throws:

IllegalArgumentException - if the raw value cannot be converted into the given type

asType

public @Nullable Object asType(Class<?> type)

Returns the object normally returned by the datastore if given type is passed in.

All integer values are returned as Long. All floating point values are returned as Double.

Parameters:

type - the class object for the desired type

Returns:

an object of type T or null

Throws:

IllegalArgumentException - if the raw value cannot be converted into the given type

getValue

public @Nullable Object getValue()

Returns the raw value.

Returns:

An object of type Boolean, Double, GeoPt, Key, byte[], User or null.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(@Nullable Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object