public interface JPAQueryBuilder
By default, EclipseLink uses HermesParser for parsing a query
and converting it into a DatabaseQuery.
Third-parties can implement this interface and provide a different JPQL
parsing system if required. The JPAQueryBuilder implementing class
can be registered via a persistence unit property and the implementation
class must have a public, zero-arg constructor.
| Modifier and Type | Method and Description |
|---|---|
DatabaseQuery |
buildQuery(java.lang.CharSequence jpqlQuery,
org.eclipse.persistence.internal.sessions.AbstractSession session)
Creates a fully initialized
DatabaseQuery by parsing the given
JPQL query. |
Expression |
buildSelectionCriteria(java.lang.String entityName,
java.lang.String selectionCriteria,
org.eclipse.persistence.internal.sessions.AbstractSession session)
Creates a new
Expression that represents the given selection
criteria. |
void |
populateQuery(java.lang.CharSequence jpqlQuery,
DatabaseQuery query,
org.eclipse.persistence.internal.sessions.AbstractSession session)
Populates the given
DatabaseQuery by parsing the given JPQL
query. |
void |
setValidationLevel(java.lang.String level)
Allow the parser validation level to be set.
|
void setValidationLevel(java.lang.String level)
level - The validation levels are defined in ParserValidationTypeDatabaseQuery buildQuery(java.lang.CharSequence jpqlQuery, org.eclipse.persistence.internal.sessions.AbstractSession session)
DatabaseQuery by parsing the given
JPQL query.jpqlQuery - A non-null string representation of the query to
parse and to convert into a DatabaseQuerysession - The EclipseLink AbstractSession that this query will
execute againstDatabaseQueryExpression buildSelectionCriteria(java.lang.String entityName, java.lang.String selectionCriteria, org.eclipse.persistence.internal.sessions.AbstractSession session)
Expression that represents the given selection
criteria.entityName - The name of the entity for which a criteria is createdselectionCriteria - The string representation of a conditional expression to parsesession - The EclipseLink AbstractSession that this query will
execute againstExpressionvoid populateQuery(java.lang.CharSequence jpqlQuery,
DatabaseQuery query,
org.eclipse.persistence.internal.sessions.AbstractSession session)
DatabaseQuery by parsing the given JPQL
query.jpqlQuery - A non-null string representation of the query to
parse and to convert into a DatabaseQueryquery - The query to populate with the derived JPQL querysession - The EclipseLink AbstractSession that this query will
execute against