BlobKey (Google App Engine API for Java)

com.google.appengine.api.blobstore

Class BlobKey

  • java.lang.Object
    • 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

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

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      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>