Class AbstractSqlLikeQueryBuilder.SqlSelectionVisitor

java.lang.Object

io.micronaut.data.model.query.builder.sql.AbstractSqlLikeQueryBuilder.SqlSelectionVisitor

All Implemented Interfaces:

ExpressionVisitor, SelectionVisitor

Direct Known Subclasses:

SqlQueryBuilder.SqlSelectionVisitor

Enclosing class:

AbstractSqlLikeQueryBuilder

protected class AbstractSqlLikeQueryBuilder.SqlSelectionVisitor
extends Object
implements SelectionVisitor

The selection visitor to construct the query.

Since:

1.0.0

Author:

graemerocher, Denis Stepanov

Field Summary

Fields

Modifier and Type	Field	Description
protected final io.micronaut.core.annotation.AnnotationMetadata	annotationMetadata
protected @Nullable String	columnAlias
protected final boolean	distinct
protected final PersistentEntity	entity
protected final StringBuilder	query
protected final AbstractSqlLikeQueryBuilder.QueryState	queryState
protected final @Nullable String	tableAlias

Constructor Summary

Constructors

Constructor	Description
SqlSelectionVisitor(AbstractSqlLikeQueryBuilder.QueryState queryState, io.micronaut.core.annotation.AnnotationMetadata annotationMetadata, boolean distinct)

Method Summary

Modifier and Type	Method	Description
protected void	appendAssociationProjection(PersistentAssociationPath associationPath)	Appends selection projection for the property which is association.
protected void	appendCompoundAssociationProjection(PersistentAssociationPath propertyPath)	Appends the compound (part of entity or DTO) association projection.
protected void	appendCompoundProjection(PersistentPropertyPath propertyPath)	Appends the compound (part of entity or DTO) association projection.
protected void	appendCompoundPropertyProjection(PersistentPropertyPath propertyPath)	Appends the compound (part of entity or DTO) property projection.
protected final void	appendProperty(StringBuilder sb, List<Association> associations, PersistentProperty property, NamingStrategy namingStrategy, @Nullable String tableAlias, boolean escape)
protected void	appendPropertyProjection(AbstractSqlLikeQueryBuilder.QueryPropertyPath propertyPath)	Append the property projection.
protected void	appendRowCount(String logicalName)	Appends a row count projection to the query string.
protected void	appendRowCountDistinct(String logicalName)	Appends a row count distinct projection to the query string.
protected void	selectAllColumns(io.micronaut.core.annotation.AnnotationMetadata annotationMetadata, PersistentEntity persistentEntity, @Nullable String tableAlias)	Select all the columns from the entity.
protected void	selectAllColumnsAndJoined()	Select all the columns from the entity and the joined entities.
protected void	selectAllColumnsFromJoinPaths(Collection<JoinPath> allPaths, @Nullable Map<JoinPath,String> joinAliasOverride)	Does nothing but subclasses might override and implement new behavior.
void	visit(BinaryExpression<?> binaryExpression)	Visit BinaryExpression.
void	visit(CastExpression<?> castExpression)	Visit CastExpression.
void	visit(FunctionExpression<?> functionExpression)	Visit FunctionExpression.
void	visit(IdExpression<?,?> idExpression)	Visit IdExpression.
void	visit(LiteralExpression<?> literalExpression)	Visit LiteralExpression.
void	visit(UnaryExpression<?> unaryExpression)	Visit UnaryExpression.
void	visit(AliasedSelection<?> aliasedSelection)	Visit AliasedSelection.
void	visit(CompoundSelection<?> compoundSelection)	Visit CompoundSelection.
void	visit(PersistentEntityRoot<?> entityRoot)	Visit PersistentEntityRoot.
void	visit(PersistentEntitySubquery<?> subquery)	Visit PersistentEntitySubquery.
void	visit(PersistentPropertyPath<?> persistentPropertyPath)	Visit PersistentPropertyPath.

Methods inherited from class Object

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

Methods inherited from interface ExpressionVisitor

visit

Methods inherited from interface SelectionVisitor

visit, visit

Field Details

queryState

protected final AbstractSqlLikeQueryBuilder.QueryState queryState

query

protected final StringBuilder query

annotationMetadata

protected final io.micronaut.core.annotation.AnnotationMetadata annotationMetadata

distinct

protected final boolean distinct

tableAlias

protected final @Nullable String tableAlias

entity

protected final PersistentEntity entity

columnAlias

protected @Nullable String columnAlias

Constructor Details

SqlSelectionVisitor

public SqlSelectionVisitor(AbstractSqlLikeQueryBuilder.QueryState queryState,
 io.micronaut.core.annotation.AnnotationMetadata annotationMetadata,
 boolean distinct)

Method Details

visit

public void visit(PersistentPropertyPath<?> persistentPropertyPath)

Description copied from interface: ExpressionVisitor

Visit PersistentPropertyPath.

Specified by:

visit in interface ExpressionVisitor

Parameters:

persistentPropertyPath - The persistentPropertyPath

visit

public void visit(AliasedSelection<?> aliasedSelection)

Description copied from interface: SelectionVisitor

Visit AliasedSelection.

Specified by:

visit in interface SelectionVisitor

Parameters:

aliasedSelection - The aliasedSelection

visit

public void visit(PersistentEntityRoot<?> entityRoot)

Description copied from interface: ExpressionVisitor

Visit PersistentEntityRoot.

Specified by:

visit in interface ExpressionVisitor

Parameters:

entityRoot - The entityRoot

visit

public void visit(PersistentEntitySubquery<?> subquery)

Description copied from interface: ExpressionVisitor

Visit PersistentEntitySubquery.

Specified by:

visit in interface ExpressionVisitor

Parameters:

subquery - The subquery

visit

public void visit(CompoundSelection<?> compoundSelection)

Description copied from interface: SelectionVisitor

Visit CompoundSelection.

Specified by:

visit in interface SelectionVisitor

Parameters:

compoundSelection - The compoundSelection

visit

public void visit(LiteralExpression<?> literalExpression)

Description copied from interface: ExpressionVisitor

Visit LiteralExpression.

Specified by:

visit in interface ExpressionVisitor

Parameters:

literalExpression - The literalExpression

visit

public void visit(UnaryExpression<?> unaryExpression)

Description copied from interface: ExpressionVisitor

Visit UnaryExpression.

Specified by:

visit in interface ExpressionVisitor

Parameters:

unaryExpression - The unary expression

visit

public void visit(BinaryExpression<?> binaryExpression)

Description copied from interface: ExpressionVisitor

Visit BinaryExpression.

Specified by:

visit in interface ExpressionVisitor

Parameters:

binaryExpression - The aggregateExpression

visit

public void visit(IdExpression<?,?> idExpression)

Description copied from interface: ExpressionVisitor

Visit IdExpression.

Specified by:

visit in interface ExpressionVisitor

Parameters:

idExpression - The idExpression

visit

public void visit(FunctionExpression<?> functionExpression)

Description copied from interface: ExpressionVisitor

Visit FunctionExpression.

Specified by:

visit in interface ExpressionVisitor

Parameters:

functionExpression - The function expression

visit

public void visit(CastExpression<?> castExpression)

Description copied from interface: ExpressionVisitor

Visit CastExpression.

Specified by:

visit in interface ExpressionVisitor

Parameters:

castExpression - The cast expression

appendCompoundPropertyProjection

@Internal
protected void appendCompoundPropertyProjection(PersistentPropertyPath propertyPath)

Appends the compound (part of entity or DTO) property projection.

Parameters:

propertyPath - The property path

appendCompoundAssociationProjection

@Internal
protected void appendCompoundAssociationProjection(PersistentAssociationPath propertyPath)

Appends the compound (part of entity or DTO) association projection.

Parameters:

propertyPath - The property path

appendCompoundProjection

@Internal
protected void appendCompoundProjection(PersistentPropertyPath propertyPath)

Appends the compound (part of entity or DTO) association projection.

Parameters:

propertyPath - The property path

appendPropertyProjection

protected void appendPropertyProjection(AbstractSqlLikeQueryBuilder.QueryPropertyPath propertyPath)

Append the property projection.

Parameters:

propertyPath - The property

appendAssociationProjection

protected void appendAssociationProjection(PersistentAssociationPath associationPath)

Appends selection projection for the property which is association.

Parameters:

associationPath - the persistent property path

appendRowCount

protected void appendRowCount(String logicalName)

Appends a row count projection to the query string.

Parameters:

logicalName - The alias to the table name

appendRowCountDistinct

protected void appendRowCountDistinct(String logicalName)

Appends a row count distinct projection to the query string.

Parameters:

logicalName - The alias to the table name

selectAllColumns

protected void selectAllColumns(io.micronaut.core.annotation.AnnotationMetadata annotationMetadata,
 PersistentEntity persistentEntity,
 @Nullable String tableAlias)

Select all the columns from the entity.

Parameters:

annotationMetadata - The annotation metadata

persistentEntity - The persistent entity

tableAlias - The table alias

selectAllColumnsAndJoined

protected void selectAllColumnsAndJoined()

Select all the columns from the entity and the joined entities.

selectAllColumnsFromJoinPaths

protected void selectAllColumnsFromJoinPaths(Collection<JoinPath> allPaths,
 @Nullable Map<JoinPath,String> joinAliasOverride)

Does nothing but subclasses might override and implement new behavior.

Parameters:

allPaths - The join paths

joinAliasOverride - The join alias override

appendProperty

protected final void appendProperty(StringBuilder sb,
 List<Association> associations,
 PersistentProperty property,
 NamingStrategy namingStrategy,
 @Nullable String tableAlias,
 boolean escape)