TransactionOptions.Builder (AppEngine :: appengine-apis 2.0.23 API)

java.lang.Object

com.google.appengine.api.datastore.TransactionOptions.Builder

Enclosing class:: TransactionOptions

public static final class TransactionOptions.Builder extends Object

Contains static creation methods for TransactionOptions.

Method Summary

Modifier and Type

Method

Description

static TransactionOptions

allowMultipleEntityGroups(boolean enable)

Deprecated.
Use Builder.withDefaults().setXG(enable) instead.

static TransactionOptions

withDefaults()

Helper method for creating a TransactionOptions instance with default values.

static TransactionOptions

withPreviousTransaction(Transaction previousTransaction)

Shorthand for TransactionOptions.withTransactionMode(Mode.READ_WRITE).setPreviousTransaction(...);

static TransactionOptions

withTransactionMode(TransactionOptions.Mode mode)

Shorthand for TransactionOptions.withDefaults().setTransactionMode(...);

static TransactionOptions

withXG(boolean enable)

Create a TransactionOptions that enables or disables the use of cross-group transactions.

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- withXG
  
  public static TransactionOptions withXG(boolean enable)
  
  Create a TransactionOptions that enables or disables the use of cross-group transactions. Shorthand for TransactionOptions.withDefaults().setXG(...);
  
  Parameters:
  
  enable - true to allow cross-group transactions, false to restrict transactions to a single entity group.
  
  Returns:
  
  this (for chaining)
- withTransactionMode
  
  public static TransactionOptions withTransactionMode(TransactionOptions.Mode mode)
  
  Shorthand for TransactionOptions.withDefaults().setTransactionMode(...);
- withPreviousTransaction
  
  public static TransactionOptions withPreviousTransaction(Transaction previousTransaction)
  
  Shorthand for TransactionOptions.withTransactionMode(Mode.READ_WRITE).setPreviousTransaction(...);
- allowMultipleEntityGroups
  
  @Deprecated public static TransactionOptions allowMultipleEntityGroups(boolean enable)
  
  Deprecated.
  Use Builder.withDefaults().setXG(enable) instead.
  
  See withXG(boolean).
- withDefaults
  
  public static TransactionOptions withDefaults()
  
  Helper method for creating a TransactionOptions instance with default values. The defaults is false (disabled) for XG.