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EclipseLink 2.4.2, build 'v20130514-5956486' API Reference | ||||||||
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java.lang.Objectjava.lang.Enum<IdentifierRole>
org.eclipse.persistence.jpa.jpql.parser.IdentifierRole
public enum IdentifierRole
A role describes the purpose of the JPQL identifier.
Enum Constant Summary | |
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AGGREGATE
Indicates the identifier aggregates two expressions together. |
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CLAUSE
Indicates the identifier is used to create a clause. |
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COMPLETEMENT
Indicates the identifier is used to complement an expression, it is not required for creating an expression. |
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COMPOUND_FUNCTION
Indicates the identifier is kind of a function, it does not return a value but it is used to perform some operation over some expression. |
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FUNCTION
Indicates the identifier is used to create a function, it has some parameters and returns a value. |
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UNUSED
Indicates the identifier is not part of the language but it has been reserved for future use. |
Method Summary | |
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static IdentifierRole |
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. |
static IdentifierRole[] |
values()
Returns an array containing the constants of this enum type, in the order they are declared. |
Methods inherited from class java.lang.Enum |
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clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf |
Methods inherited from class java.lang.Object |
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getClass, notify, notifyAll, wait, wait, wait |
Enum Constant Detail |
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public static final IdentifierRole AGGREGATE
public static final IdentifierRole CLAUSE
public static final IdentifierRole COMPLETEMENT
public static final IdentifierRole COMPOUND_FUNCTION
public static final IdentifierRole FUNCTION
Note: TRUE, FALSE, NULL, CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP are considered functions.
public static final IdentifierRole UNUSED
Method Detail |
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public static IdentifierRole[] values()
for (IdentifierRole c : IdentifierRole.values()) System.out.println(c);
public static IdentifierRole valueOf(java.lang.String name)
name
- the name of the enum constant to be returned.
java.lang.IllegalArgumentException
- if this enum type has no constant
with the specified name
java.lang.NullPointerException
- if the argument is null
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