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java.lang.Objectcom.google.appengine.api.datastore.TransactionOptions
public final class TransactionOptions
Describes options for transactions, passed at transaction creation time.
XG is a boolean that enables or disables the use of cross-group
transactions.
Notes on usage:
The recommended way to instantiate a TransactionsOptions object is to
statically import TransactionOptions.Builder.* and invoke a static
creation method followed by an instance mutator (if needed):
import static com.google.appengine.api.datastore.TransactionOptions.Builder.*; ... datastoreService.beginTransaction(withXG(true));
| Nested Class Summary | |
|---|---|
static class |
TransactionOptions.Builder
Contains static creation methods for TransactionOptions. |
| Method Summary | |
|---|---|
java.lang.Boolean |
allowsMultipleEntityGroups()
Deprecated. |
TransactionOptions |
clearMultipleEntityGroups()
Deprecated. |
TransactionOptions |
clearXG()
Return the cross-group transaction setting to default (disabled). |
boolean |
equals(java.lang.Object obj)
|
int |
hashCode()
|
boolean |
isXG()
|
TransactionOptions |
multipleEntityGroups(boolean enable)
Deprecated. |
TransactionOptions |
setXG(boolean enable)
Enable or disable the use of cross-group transactions. |
java.lang.String |
toString()
|
| Methods inherited from class java.lang.Object |
|---|
getClass, notify, notifyAll, wait, wait, wait |
| Method Detail |
|---|
public TransactionOptions setXG(boolean enable)
enable - true to cross-group transactions, false to
restrict transactions to a single entity group.
this (for chaining)public TransactionOptions clearXG()
public boolean isXG()
true if cross-group transactions are allowed,
false if they are not allowed.@Deprecated public TransactionOptions multipleEntityGroups(boolean enable)
setXG(boolean)@Deprecated public TransactionOptions clearMultipleEntityGroups()
clearXG()@Deprecated public java.lang.Boolean allowsMultipleEntityGroups()
isXG()public int hashCode()
hashCode in class java.lang.Objectpublic boolean equals(java.lang.Object obj)
equals in class java.lang.Objectpublic java.lang.String toString()
toString in class java.lang.Object
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