PersistenceUnitTransactionType (Java EE 5)

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javax.persistence.spi Enum PersistenceUnitTransactionType

java.lang.Object
  java.lang.Enum<PersistenceUnitTransactionType>
      javax.persistence.spi.PersistenceUnitTransactionType

All Implemented Interfaces:: Serializable, Comparable<PersistenceUnitTransactionType>

public enum PersistenceUnitTransactionType
extends Enum<PersistenceUnitTransactionType>

Extends: Enum<E>

此枚举类定义 javax.persistence.EntityManagerFactory 创建的实体管理器是 JTA 还是资源本地的实体管理器。

since

Java Persistence 1.0

英文文档：

This enum class defines whether the entity managers created by the EntityManagerFactory will be JTA or resource-local entity managers.

Since:: Java Persistence 1.0

Enum Constant Summary
`JTA` JTA entity manager
`RESOURCE_LOCAL` resource-local entity manager

Method Summary
`static PersistenceUnitTransactionType`	`valueOf(String name)` Returns the enum constant of this type with the specified name.
`static PersistenceUnitTransactionType[]`	`values()` Returns an array containing the constants of this enum type, in the order they're declared.

Methods inherited from class java.lang.Enum
`clone, compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf`

Methods inherited from class java.lang.Object
`finalize, getClass, notify, notifyAll, wait, wait, wait`

Enum Constant Detail

英文文档：

RESOURCE_LOCAL

public static final PersistenceUnitTransactionType RESOURCE_LOCAL

resource-local entity manager

Method Detail

final public static PersistenceUnitTransactionType[] values()

英文文档：
values

public static final PersistenceUnitTransactionType[] values()

Returns an array containing the constants of this enum type, in the order they're declared. This method may be used to iterate over the constants as follows:

for(PersistenceUnitTransactionType c : PersistenceUnitTransactionType.values())
        System.out.println(c);

Returns:: an array containing the constants of this enum type, in the order they're declared

public static PersistenceUnitTransactionType valueOf(String name)

英文文档：
valueOf

public static PersistenceUnitTransactionType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:: name - the name of the enum constant to be returned.
Returns:: the enum constant with the specified name
Throws:: IllegalArgumentException - if this enum type has no constant with the specified name