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Packages that use PathExpression | |
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org.apache.openjpa.persistence.query | OpenJPA Dynamic Query |
Uses of PathExpression in org.apache.openjpa.persistence.query |
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Subinterfaces of PathExpression in org.apache.openjpa.persistence.query | |
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interface |
DomainObject
Domain objects define the domain over which a query operates. |
Classes in org.apache.openjpa.persistence.query that implement PathExpression | |
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class |
AbstractDomainObject
Domain Object is a path expression over which query is evaluated. |
class |
EntryExpression
Denotes ENTRY(e) on a path. |
class |
FetchPath
Denotes a path used in fetch join. |
class |
JoinPath
Path resulting by joining from a parent path via an attribute. |
class |
KeyExpression
Denotes KEY(e) Expression. |
class |
OperatorPath
A path resulting from KEY() or VALUE() operation on an existing path. |
class |
RootPath
Denotes root domain instance representing a persistent type. |
class |
ValueExpression
Denotes VALUE(e) Expression. |
Methods in org.apache.openjpa.persistence.query that return PathExpression | |
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PathExpression |
PathExpression.get(String attributeName)
Return a path expression corresponding to the referenced attribute. |
PathExpression |
AbstractDomainObject.get(String attr)
Derives a path from this path by navigating through the given field. |
PathExpression |
DomainObject.key()
Return a path expression corresponding to the key of a map-valued association or element collection. |
PathExpression |
AbstractDomainObject.key()
Derives by KEY() operation on this path. |
PathExpression |
DomainObject.value()
Return a path expression corresponding to the value of a map-valued association or element collection. |
PathExpression |
AbstractDomainObject.value()
Derives a path by VALUE() operation on this path. |
Methods in org.apache.openjpa.persistence.query with parameters of type PathExpression | |
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DomainObject |
QueryDefinitionImpl.addSubqueryRoot(PathExpression path)
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DomainObject |
QueryDefinition.addSubqueryRoot(PathExpression path)
Add a root derived from a domain object of the containing query definition to a query definition used as a subquery. |
DomainObject |
AbstractDomainObject.addSubqueryRoot(PathExpression path)
Adding a query root adds a subquery to the owning query. |
DomainObject |
QueryBuilderImpl.createSubqueryDefinition(PathExpression path)
Creates a QueryDefinition that can be used a correlated subquery with the given path as domain. |
DomainObject |
QueryBuilder.createSubqueryDefinition(PathExpression path)
Create a query definition object whose root is derived from a domain object of the containing query. |
QueryDefinition |
QueryDefinitionImpl.groupBy(PathExpression... pathExprs)
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QueryDefinition |
QueryDefinition.groupBy(PathExpression... pathExprs)
Specify the items that are used to form groups over the query results. |
QueryDefinition |
AbstractDomainObject.groupBy(PathExpression... pathExprs)
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Predicate |
Expression.member(PathExpression arg)
Create a predicate for testing whether the expression is a member of the association or element collection denoted by the path expression. |
Method parameters in org.apache.openjpa.persistence.query with type arguments of type PathExpression | |
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QueryDefinition |
QueryDefinitionImpl.groupBy(List<PathExpression> pathExprList)
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QueryDefinition |
QueryDefinition.groupBy(List<PathExpression> pathExprList)
Specify the items that are used to form groups over the query results. |
QueryDefinition |
AbstractDomainObject.groupBy(List<PathExpression> pathExprList)
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