Class KeyResolver
- java.lang.Object
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- org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver
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- org.eclipse.persistence.jpa.jpql.tools.resolver.KeyResolver
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public class KeyResolver extends Resolver
ThisResolver
is responsible to return the map key, which means that for identification variables referring to an instance of an association or collection represented as aMap
, the identification variable is of the abstract schema type of the map key.- Since:
- 2.3
- Version:
- 2.5
- Author:
- Pascal Filion
- See Also:
ValueResolver
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Constructor Summary
Constructors Constructor Description KeyResolver(Resolver parent)
Creates a newKeyResolver
.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description IManagedType
getManagedType()
Returns theIManagedType
associated with the field handled by thisResolver
.java.lang.String
toString()
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Methods inherited from class org.eclipse.persistence.jpa.jpql.tools.resolver.Resolver
addChild, getChild, getMapping, getParent, getParentManagedType, getParentMapping, getParentType, getParentTypeDeclaration, getProvider, getQuery, getType, getType, getType, getTypeDeclaration, getTypeHelper, getTypeRepository, isNullAllowed, setNullAllowed
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Method Detail
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getManagedType
public IManagedType getManagedType()
Returns theIManagedType
associated with the field handled by thisResolver
. If thisResolver
does not handle a field that has aIManagedType
, thennull
should be returned.For example: "
SELECT e FROM Employee e
", theResolver
for e would be returning theIManagedType
for Employee.- Overrides:
getManagedType
in classResolver
- Returns:
- Either the
IManagedType
, if it could be resolved;null
otherwise
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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