Package com.google.appengine.api.blobstore

Class BlobKey

java.lang.Object

com.google.appengine.api.blobstore.BlobKey

All Implemented Interfaces:

Serializable, Comparable<BlobKey>

public final class BlobKey
extends Object
implements Serializable, Comparable<BlobKey>

BlobKey contains the string identifier of a large (possibly larger than 1MB) blob of binary data that was uploaded in a previous request and can be streamed directly to users.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
BlobKey(String blobKey)	Construct a new BlobKey with the specified key string.

Method Summary

Modifier and Type	Method	Description
int	compareTo(BlobKey o)
boolean	equals(@Nullable Object object)	Two BlobKey objects are considered equal if they point to the same blobs.
String	getKeyString()	Returns the blob key as a String.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

BlobKey

public BlobKey(String blobKey)

Construct a new BlobKey with the specified key string.

Throws:

IllegalArgumentException - If the specified string was null.

Method Details

getKeyString

public String getKeyString()

Returns the blob key as a String.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(@Nullable Object object)

Two BlobKey objects are considered equal if they point to the same blobs.

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

compareTo

public int compareTo(BlobKey o)

Specified by:

compareTo in interface Comparable<BlobKey>