Package nl.datasteel.crudcraft.projection.impl.querydsl

Class QuerydslProjectionExecutorProvider

java.lang.Object

nl.datasteel.crudcraft.projection.impl.querydsl.QuerydslProjectionExecutorProvider

All Implemented Interfaces:

ProjectionExecutorProvider

public class QuerydslProjectionExecutorProvider
extends Object
implements ProjectionExecutorProvider

Provider for the Querydsl based ProjectionExecutor.

Constructor Summary

Constructors

Constructor	Description
QuerydslProjectionExecutorProvider(com.querydsl.jpa.impl.JPAQueryFactory queryFactory, jakarta.persistence.metamodel.Metamodel metamodel, QuerydslProjectionBuilder projectionBuilder, ProjectionMetadataRegistry registry)	Constructs a new QuerydslProjectionExecutorProvider with the given parameters.

Method Summary

Modifier and Type	Method	Description
ProjectionExecutor	getExecutor()	Returns the Querydsl based ProjectionExecutor.
boolean	supports(ProjectionQuery<?> query)	Checks if the given ProjectionQuery can be handled by this provider.

Methods inherited from class java.lang.Object

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

Constructor Details

QuerydslProjectionExecutorProvider

public QuerydslProjectionExecutorProvider(com.querydsl.jpa.impl.JPAQueryFactory queryFactory,
 jakarta.persistence.metamodel.Metamodel metamodel,
 QuerydslProjectionBuilder projectionBuilder,
 ProjectionMetadataRegistry registry)

Constructs a new QuerydslProjectionExecutorProvider with the given parameters.

Parameters:

queryFactory - the JPAQueryFactory to use for executing queries

metamodel - the JPA Metamodel to use for accessing entity metadata

projectionBuilder - the QuerydslProjectionBuilder to build projection expressions

registry - the ProjectionMetadataRegistry to access compile-time generated metadata

Method Details

supports

public boolean supports(ProjectionQuery<?> query)

Checks if the given ProjectionQuery can be handled by this provider. It checks if the query is not null and if it has a predicate available.

Specified by:

supports in interface ProjectionExecutorProvider

Parameters:

query - the projection query to check

Returns:

true if the query can be handled, false otherwise

getExecutor

public ProjectionExecutor getExecutor()

Returns the Querydsl based ProjectionExecutor.

Specified by:

getExecutor in interface ProjectionExecutorProvider

Returns:

the executor