|
EclipseLink 2.5.0, build 'v20130507-3faac2b' API Reference | ||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | ||||||||
java.lang.Objectorg.eclipse.persistence.jpa.jpql.parser.AbstractExpression
org.eclipse.persistence.jpa.jpql.parser.AbstractEncapsulatedExpression
org.eclipse.persistence.jpa.jpql.parser.AbstractSingleEncapsulatedExpression
org.eclipse.persistence.jpa.jpql.parser.AggregateFunction
org.eclipse.persistence.jpa.jpql.parser.CountFunction
public final class CountFunction
One of the aggregate functions. The return type of this function is a Long.
expression ::= COUNT ([DISTINCT] identification_variable |
state_field_path_expression |
single_valued_object_path_expression)
| Field Summary |
|---|
| Fields inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractExpression |
|---|
COMMA, DOT, DOUBLE_QUOTE, LEFT_CURLY_BRACKET, LEFT_PARENTHESIS, NOT_DEFINED, RIGHT_CURLY_BRACKET, RIGHT_PARENTHESIS, SINGLE_QUOTE, SPACE, UNDERSCORE |
| Constructor Summary | |
|---|---|
CountFunction(AbstractExpression parent)
Creates a new CountFunction. |
|
| Method Summary | |
|---|---|
void |
accept(ExpressionVisitor visitor)
Visits this Expression by the given visitor. |
protected AbstractExpression |
buildEncapsulatedExpression(WordParser wordParser,
java.lang.String word)
Creates the AbstractExpression to represent the given word. |
java.lang.String |
getEncapsulatedExpressionQueryBNFId()
Returns the BNF used to parse the encapsulated expression. |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AggregateFunction |
|---|
addOrderedEncapsulatedExpressionTo, getActualDistinctIdentifier, getQueryBNF, hasDistinct, hasSpaceAfterDistinct, parseEncapsulatedExpression, toParsedTextEncapsulatedExpression |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractSingleEncapsulatedExpression |
|---|
acceptChildren, addChildrenTo, findQueryBNF, getExpression, hasEncapsulatedExpression, hasExpression, removeEncapsulatedExpression, setExpression |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AbstractEncapsulatedExpression |
|---|
addOrderedChildrenTo, areLogicalIdentifiersSupported, getActualIdentifier, getIdentifier, hasLeftParenthesis, hasRightParenthesis, hasSpaceAfterIdentifier, isParsingComplete, parse, shouldParseRightParenthesis, toParsedText |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public CountFunction(AbstractExpression parent)
CountFunction.
parent - The parent of this expression| Method Detail |
|---|
public void accept(ExpressionVisitor visitor)
Expression by the given visitor.
visitor - The ExpressionVisitor to visit this objectprotected AbstractExpression buildEncapsulatedExpression(WordParser wordParser, java.lang.String word)
AbstractExpression to represent the given word.
buildEncapsulatedExpression in class AggregateFunctionword - The word that was parsed
AbstractExpressionpublic java.lang.String getEncapsulatedExpressionQueryBNFId()
getEncapsulatedExpressionQueryBNFId in class AggregateFunction
|
EclipseLink 2.5.0, build 'v20130507-3faac2b' API Reference | ||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | ||||||||