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Enum Class PseudoColumnUsage

java.lang.Object
java.lang.Enum<PseudoColumnUsage>
java.sql.PseudoColumnUsage
All Implemented Interfaces:
Serializable, Comparable<PseudoColumnUsage>, Constable
public enum PseudoColumnUsage extends Enum<PseudoColumnUsage>
Enumeration for pseudo/hidden column usage.
Since:
1.7
See Also:
  • DatabaseMetaData.getPseudoColumns(String, String, String, String)

Nested Class Summary

Nested classes/interfaces declared in class Enum

Enum.EnumDesc<E>
Modifier and Type Class Description
static final class  Enum.EnumDesc<E extends Enum<E>>
A nominal descriptor for an enum constant.

Enum Constant Summary

Enum Constant Description
NO_USAGE_RESTRICTIONS
There are no restrictions on the usage of the pseudo/hidden columns.
SELECT_LIST_ONLY
The pseudo/hidden column may only be used in a SELECT list.
USAGE_UNKNOWN
The usage of the pseudo/hidden column cannot be determined.
WHERE_CLAUSE_ONLY
The pseudo/hidden column may only be used in a WHERE clause.

Method Summary

Modifier and Type Method Description
static PseudoColumnUsage valueOf(String name)
Returns the enum constant of this class with the specified name.
static PseudoColumnUsage[] values()
Returns an array containing the constants of this enum class, in the order they are declared.

Methods declared in class Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf
Modifier and Type Method Description
protected final Object clone()
Throws CloneNotSupportedException.
final int compareTo(PseudoColumnUsage o)
Compares this enum with the specified object for order.
final Optional<Enum.EnumDesc<PseudoColumnUsage>> describeConstable()
Returns an enum descriptor EnumDesc for this instance, if one can be constructed, or an empty Optional if one cannot be.
final boolean equals(Object other)
Returns true if the specified object is equal to this enum constant.
protected final void finalize()
Deprecated, for removal: This API element is subject to removal in a future version.
Finalization has been deprecated for removal.
final Class<PseudoColumnUsage> getDeclaringClass()
Returns the Class object corresponding to this enum constant's enum type.
final int hashCode()
Returns a hash code for this enum constant.
final String name()
Returns the name of this enum constant, exactly as declared in its enum declaration.
final int ordinal()
Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero).
String toString()
Returns the name of this enum constant, as contained in the declaration.
static <T extends Enum<T>>
T
valueOf(Class<T> enumClass, String name)
Returns the enum constant of the specified enum class with the specified name.

Methods declared in class Object

getClass, notify, notifyAll, wait, wait, wait
Modifier and Type Method Description
final Class<?> getClass()
Returns the runtime class of this Object.
final void notify()
Wakes up a single thread that is waiting on this object's monitor.
final void notifyAll()
Wakes up all threads that are waiting on this object's monitor.
final void wait()
Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
final void wait(long timeoutMillis)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
final void wait(long timeoutMillis, int nanos)
Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

Enum Constant Details

SELECT_LIST_ONLY

public static final PseudoColumnUsage SELECT_LIST_ONLY
The pseudo/hidden column may only be used in a SELECT list.

WHERE_CLAUSE_ONLY

public static final PseudoColumnUsage WHERE_CLAUSE_ONLY
The pseudo/hidden column may only be used in a WHERE clause.

NO_USAGE_RESTRICTIONS

public static final PseudoColumnUsage NO_USAGE_RESTRICTIONS
There are no restrictions on the usage of the pseudo/hidden columns.

USAGE_UNKNOWN

public static final PseudoColumnUsage USAGE_UNKNOWN
The usage of the pseudo/hidden column cannot be determined.

Method Details

values

public static PseudoColumnUsage[] values()
Returns an array containing the constants of this enum class, in the order they are declared.
Returns:
an array containing the constants of this enum class, in the order they are declared

valueOf

public static PseudoColumnUsage valueOf(String name)
Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name
NullPointerException - if the argument is null

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