Package io.ebeaninternal.server.el

Interface ElPropertyDeploy

All Known Subinterfaces:

ElPropertyValue

All Known Implementing Classes:

BeanFkeyProperty, BeanProperty, BeanPropertyAssoc, BeanPropertyAssocMany, BeanPropertyAssocOne, BeanPropertyIdClass, BeanPropertyOrderColumn, BeanPropertySimpleCollection, ElPropertyChain

public interface ElPropertyDeploy

Used to parse expressions in queries (where, orderBy etc).

Maps an expression to deployment information such as the DB column and elPrefix/elPlaceHolder is used determine joins and set place holders for table alias'.

Field Summary

Fields

Modifier and Type	Field	Description
static String	ROOT_ELPREFIX	This is the elPrefix for all root level properties.

Method Summary

Modifier and Type	Method	Description
boolean	containsFormulaWithJoin()	Return true if the property is a formula with a join clause.
boolean	containsMany()	Return true if there is a property on the path that is a many property.
boolean	containsManySince(String sinceProperty)	Return true if there is a property is on the path after sinceProperty that is a 'many' property.
BeanProperty	getBeanProperty()	Return the underlying bean property.
String	getDbColumn()	Return the deployment db column for this property.
String	getElName()	The ElPrefix plus name.
String	getElPlaceholder(boolean encrypted)	Return the place holder in the form of ${elPrefix}dbColumn.
String	getElPrefix()	Return the prefix path of the property.
int	getFetchPreference()	Return the fetch preference.
String	getName()	Return the name of the property.
boolean	isAggregation()	Return true if this is an aggregation property.

Field Detail

ROOT_ELPREFIX

static final String ROOT_ELPREFIX

This is the elPrefix for all root level properties.

See Also:

Constant Field Values

Method Detail

containsFormulaWithJoin

boolean containsFormulaWithJoin()

Return true if the property is a formula with a join clause.

containsMany

boolean containsMany()

Return true if there is a property on the path that is a many property.

containsManySince

boolean containsManySince(String sinceProperty)

Return true if there is a property is on the path after sinceProperty that is a 'many' property.

getElPrefix

String getElPrefix()

Return the prefix path of the property.

This is use to determine joins required to support this property.

getElPlaceholder

String getElPlaceholder(boolean encrypted)

Return the place holder in the form of ${elPrefix}dbColumn.

The ${elPrefix} is replaced by the appropriate table alias.

getName

String getName()

Return the name of the property.

getElName

String getElName()

The ElPrefix plus name.

getDbColumn

String getDbColumn()

Return the deployment db column for this property.

getBeanProperty

BeanProperty getBeanProperty()

Return the underlying bean property.

isAggregation

boolean isAggregation()

Return true if this is an aggregation property.

getFetchPreference

int getFetchPreference()

Return the fetch preference. This can be used to control which ToMany relationship is left as a 'join' and which get converted to query join.