Module org.eclipse.persistence.core

Package org.eclipse.persistence.internal.jpa.parsing

Class TypeHelperImpl

java.lang.Object

org.eclipse.persistence.internal.helper.BasicTypeHelperImpl

org.eclipse.persistence.internal.jpa.parsing.TypeHelperImpl

All Implemented Interfaces:

TypeHelper

public class TypeHelperImpl
extends BasicTypeHelperImpl
implements TypeHelper

INTERNAL

Purpose: Implement type helper methods specified by TypeHelper. This implementation uses Class instances to represent a type.

Constructor Summary

Constructors

Constructor	Description
TypeHelperImpl(AbstractSession session, ClassLoader classLoader)

Method Summary

Modifier and Type	Method	Description
boolean	isCollectionValuedRelationship(Object ownerClass, String attribute)	Returns true if the specified attribute denotes a collection valued relationship attribute.
boolean	isEmbeddable(Object type)	Returns true if the specified type denotes an embedded class.
boolean	isEmbeddedAttribute(Object ownerClass, String attribute)	Returns true if the specified type denotes an embedded attribute.
boolean	isEntityClass(Object type)	Returns true if the specified type denotes an entity class.
boolean	isOrderableType(Object type)	Returns true if the specified type denotes an orderable type
boolean	isRelationship(Object ownerClass, String attribute)	Returns true if the specified attribute denotes a single valued or collection valued relationship attribute.
boolean	isSimpleStateAttribute(Object ownerClass, String attribute)	Returns true if the specified type denotes a simple state attribute.
boolean	isSingleValuedRelationship(Object ownerClass, String attribute)	Returns true if the specified attribute denotes a single valued relationship attribute.
Object	resolveAttribute(Object ownerClass, String attribute)	Returns the type of the attribute with the specified name in the specified owner class.
Object	resolveEnumConstant(Object type, String constant)	Returns the enum constant if the specified type denotes an enum type and the specified constant denotes a constant of the enum type.
Object	resolveMapKey(Object ownerClass, String attribute)	Returns the type of the map key for the mapping on ownerClass named attribute Returns null if that mapping does not exist or does not contain a map key
QueryKey	resolveQueryKey(Object ownerClass, String attribute)	Returns a query key associated with the name of the attribute
Object	resolveSchema(String schemaName)	Returns the type of the class corresponding to the specified abstract schema type.
Object	resolveTypeName(String typeName)	Returns a type representation for the specified type name or null if there is no such type.

Methods inherited from class org.eclipse.persistence.internal.helper.BasicTypeHelperImpl

binaryNumericPromotion, extendedBinaryNumericPromotion, getBigDecimalType, getBigIntegerType, getBooleanClassType, getBooleanType, getByteClassType, getByteType, getCharacterClassType, getCharType, getDateType, getDoubleClassType, getDoubleType, getFloatClassType, getFloatType, getInstance, getIntegerClassType, getIntType, getJavaClass, getLongClassType, getLongType, getMapEntryType, getObjectType, getPrimitiveType, getShortClassType, getShortType, getSQLDateType, getStringType, getTimestampType, getTimeType, getTypeName, getWrapperClass, isAssignableFrom, isBigDecimalType, isBigIntegerType, isBooleanType, isByteType, isCharacterType, isDateClass, isDoubleType, isEnumType, isFloatingPointType, isFloatType, isIntegerType, isIntegralType, isIntType, isLongType, isNumericType, isShortType, isStrictlyAssignableFrom, isStringType, isWrapperClass

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.eclipse.persistence.internal.jpa.parsing.TypeHelper

extendedBinaryNumericPromotion, getBigDecimalType, getBigIntegerType, getBooleanType, getCharType, getDoubleClassType, getDoubleType, getFloatType, getIntType, getJavaClass, getLongClassType, getLongType, getMapEntryType, getObjectType, getSQLDateType, getStringType, getTimestampType, getTimeType, getTypeName, isAssignableFrom, isBigDecimalType, isBigIntegerType, isEnumType, isFloatingPointType, isIntegralType, isNumericType, isStringType

Constructor Details

TypeHelperImpl

public TypeHelperImpl(AbstractSession session,
 ClassLoader classLoader)

Method Details

resolveTypeName

public Object resolveTypeName(String typeName)

Returns a type representation for the specified type name or null if there is no such type.

Specified by:

resolveTypeName in interface TypeHelper

resolveAttribute

public Object resolveAttribute(Object ownerClass,
 String attribute)

Returns the type of the attribute with the specified name in the specified owner class.

Specified by:

resolveAttribute in interface TypeHelper

resolveMapKey

public Object resolveMapKey(Object ownerClass,
 String attribute)

Returns the type of the map key for the mapping on ownerClass named attribute Returns null if that mapping does not exist or does not contain a map key

Specified by:

resolveMapKey in interface TypeHelper

resolveSchema

public Object resolveSchema(String schemaName)

Returns the type of the class corresponding to the specified abstract schema type.

Specified by:

resolveSchema in interface TypeHelper

resolveEnumConstant

public Object resolveEnumConstant(Object type,
 String constant)

Returns the enum constant if the specified type denotes an enum type and the specified constant denotes a constant of the enum type.

Specified by:

resolveEnumConstant in interface TypeHelper

isEntityClass

public boolean isEntityClass(Object type)

Returns true if the specified type denotes an entity class.

Specified by:

isEntityClass in interface TypeHelper

isOrderableType

public boolean isOrderableType(Object type)

Returns true if the specified type denotes an orderable type

Specified by:

isOrderableType in interface TypeHelper

Overrides:

isOrderableType in class BasicTypeHelperImpl

isEmbeddable

public boolean isEmbeddable(Object type)

Returns true if the specified type denotes an embedded class.

Specified by:

isEmbeddable in interface TypeHelper

isEmbeddedAttribute

public boolean isEmbeddedAttribute(Object ownerClass,
 String attribute)

Returns true if the specified type denotes an embedded attribute.

Specified by:

isEmbeddedAttribute in interface TypeHelper

isSimpleStateAttribute

public boolean isSimpleStateAttribute(Object ownerClass,
 String attribute)

Returns true if the specified type denotes a simple state attribute.

Specified by:

isSimpleStateAttribute in interface TypeHelper

isRelationship

public boolean isRelationship(Object ownerClass,
 String attribute)

Returns true if the specified attribute denotes a single valued or collection valued relationship attribute.

Specified by:

isRelationship in interface TypeHelper

isSingleValuedRelationship

public boolean isSingleValuedRelationship(Object ownerClass,
 String attribute)

Returns true if the specified attribute denotes a single valued relationship attribute.

Specified by:

isSingleValuedRelationship in interface TypeHelper

isCollectionValuedRelationship

public boolean isCollectionValuedRelationship(Object ownerClass,
 String attribute)

Returns true if the specified attribute denotes a collection valued relationship attribute.

Specified by:

isCollectionValuedRelationship in interface TypeHelper

resolveQueryKey

public QueryKey resolveQueryKey(Object ownerClass,
 String attribute)

Description copied from interface: TypeHelper

Returns a query key associated with the name of the attribute

Specified by:

resolveQueryKey in interface TypeHelper