TransactionHelper (Google App Engine API for Java)

com.google.appengine.api.datastore

Class TransactionHelper

  • java.lang.Object
    • com.google.appengine.api.datastore.TransactionHelper


  • public final class TransactionHelper
    extends java.lang.Object
    TransactionHelper enables the task queue API to serialize a datastore transaction without knowing the details of how it is implemented.
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method and Description
      static void setTransaction(Transaction txn, TaskQueueAddRequest request)
      Sets either the transaction or datastore_transaction field in a TaskQueueAddRequest depending on what kind of transaction is provided.
      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Method Detail

      • setTransaction

        public static void setTransaction(Transaction txn,
                                          TaskQueueAddRequest request)
        Sets either the transaction or datastore_transaction field in a TaskQueueAddRequest depending on what kind of transaction is provided.

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App Engine standard environment for Java