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Spring Data JPA | |||||||||
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java.lang.Objectjava.lang.Enum<PersistenceProvider>
org.springframework.data.jpa.repository.support.PersistenceProvider
public enum PersistenceProvider
Enumeration representing peristence providers to be used.
| Enum Constant Summary | |
|---|---|
ECLIPSELINK
EclipseLink persistence provider. |
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GENERIC_JPA
Unknown special provider. |
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HIBERNATE
Hibernate persistence provider. |
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OPEN_JPA
OpenJpa persistence provider. |
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| Method Summary | |
|---|---|
boolean |
canExtractQuery()
Returns whether the extractor is able to extract the original query string from a given Query. |
static PersistenceProvider |
fromEntityManager(javax.persistence.EntityManager em)
Determines the PersistenceProvider from the given EntityManager. |
protected String |
getCountQueryPlaceholder()
Returns the placeholder to be used for simple count queries. |
static PersistenceProvider |
valueOf(String name)
Returns the enum constant of this type with the specified name. |
static PersistenceProvider[] |
values()
Returns an array containing the constants of this enum type, in the order they are declared. |
| Methods inherited from class java.lang.Enum |
|---|
clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf |
| Methods inherited from class java.lang.Object |
|---|
getClass, notify, notifyAll, wait, wait, wait |
| Methods inherited from interface org.springframework.data.jpa.repository.query.QueryExtractor |
|---|
extractQueryString |
| Enum Constant Detail |
|---|
public static final PersistenceProvider HIBERNATE
public static final PersistenceProvider ECLIPSELINK
public static final PersistenceProvider OPEN_JPA
public static final PersistenceProvider GENERIC_JPA
| Method Detail |
|---|
public static PersistenceProvider[] values()
for (PersistenceProvider c : PersistenceProvider.values()) System.out.println(c);
public static PersistenceProvider valueOf(String name)
name - the name of the enum constant to be returned.
IllegalArgumentException - if this enum type has no constant
with the specified name
NullPointerException - if the argument is nullpublic static PersistenceProvider fromEntityManager(javax.persistence.EntityManager em)
PersistenceProvider from the given EntityManager. If no special one can be
determined GENERIC_JPA will be returned.
em - must not be null.
public boolean canExtractQuery()
QueryExtractorQuery.
canExtractQuery in interface QueryExtractorprotected String getCountQueryPlaceholder()
*.
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