Package com.foreach.across.modules.entity.query

Class EntityQueryParserFactory

java.lang.Object

com.foreach.across.modules.entity.query.EntityQueryParserFactory

@Service
public class EntityQueryParserFactory
extends Object

Central component for creating EntityQueryParser instances and related components.

Since:

3.1.0

Author:

Arne Vandamme

Constructor Summary

Constructors

Constructor	Description
EntityQueryParserFactory(EQTypeConverter defaultEntityQueryTypeConverter)

Method Summary

Modifier and Type	Method	Description
DefaultEntityQueryMetadataProvider	createMetadataProvider(@NonNull EntityPropertyRegistry propertyRegistry)	Create a new EntityQueryMetadataProvider that uses the specified EntityPropertyRegistry to determine the valid property, operand and argument combinations.
EntityQueryParser	createParser()	Create a new EntityQueryParser instance without any default configuration.
EntityQueryParser	createParser(@NonNull EntityPropertyRegistry propertyRegistry)	Create a new EntityQueryParser prepared for the EntityPropertyRegistry specified.
DefaultEntityQueryTranslator	createTranslator(@NonNull EntityPropertyRegistry propertyRegistry)	Create a new EntityQueryTranslator that translates the properties of a raw EntityQuery based on the information in the EntityPropertyRegistry and turns it into an executable query that can be passed to the corresponding EntityQueryExecutor.

Methods inherited from class java.lang.Object

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

Constructor Details

EntityQueryParserFactory

public EntityQueryParserFactory(EQTypeConverter defaultEntityQueryTypeConverter)

Method Details

createParser

public EntityQueryParser createParser(@NonNull
 @NonNull EntityPropertyRegistry propertyRegistry)

Create a new EntityQueryParser prepared for the EntityPropertyRegistry specified. This returns a pre-configured and usable instance that can convert EQL statements for entities represented by the property registry into executable EntityQuery instances.

Parameters:

propertyRegistry - to configure the parser for

Returns:

parser instance

createParser

public EntityQueryParser createParser()

Create a new EntityQueryParser instance without any default configuration. The returned instance will not be usable until both a EntityQueryTranslator and a EntityQueryMetadataProvider have been assigned.

Returns:

parser instance

createMetadataProvider

public DefaultEntityQueryMetadataProvider createMetadataProvider(@NonNull
 @NonNull EntityPropertyRegistry propertyRegistry)

Create a new EntityQueryMetadataProvider that uses the specified EntityPropertyRegistry to determine the valid property, operand and argument combinations.

Parameters:

propertyRegistry - to build the metadata provider on

Returns:

metadata provider instance

createTranslator

public DefaultEntityQueryTranslator createTranslator(@NonNull
 @NonNull EntityPropertyRegistry propertyRegistry)

Create a new EntityQueryTranslator that translates the properties of a raw EntityQuery based on the information in the EntityPropertyRegistry and turns it into an executable query that can be passed to the corresponding EntityQueryExecutor.

Parameters:

propertyRegistry - to build the translator on

Returns:

translator instance