com.google.appengine.api.blobstore
Class BlobKey

java.lang.Object
  extended by com.google.appengine.api.blobstore.BlobKey
All Implemented Interfaces:
java.io.Serializable, java.lang.Comparable<BlobKey>

public final class BlobKey
extends java.lang.Object
implements java.io.Serializable, java.lang.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
BlobKey(java.lang.String blobKey)
          Construct a new BlobKey with the specified key string.
 
Method Summary
 int compareTo(BlobKey o)
           
 boolean equals(java.lang.Object object)
          Two BlobKey objects are considered equal if they point to the same blobs.
 java.lang.String getKeyString()
          Returns the blob key as a String.
 int hashCode()
           
 java.lang.String toString()
           
 
Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

BlobKey

public BlobKey(java.lang.String blobKey)
Construct a new BlobKey with the specified key string.

Throws:
java.lang.IllegalArgumentException - If the specified string was null.
Method Detail

getKeyString

public java.lang.String getKeyString()
Returns the blob key as a String.


hashCode

public int hashCode()
Overrides:
hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object object)
Two BlobKey objects are considered equal if they point to the same blobs.

Overrides:
equals in class java.lang.Object

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object

compareTo

public int compareTo(BlobKey o)
Specified by:
compareTo in interface java.lang.Comparable<BlobKey>