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org.hibernate.dialect.aggregate

public Class AggregateSupportImpl

extends Object
implements AggregateSupport
Class Inheritance
All Implemented Interfaces
org.hibernate.dialect.aggregate.AggregateSupport
Known Direct Subclasses
org.hibernate.dialect.aggregate.DB2AggregateSupport, org.hibernate.dialect.aggregate.OracleAggregateSupport, org.hibernate.dialect.aggregate.PostgreSQLAggregateSupport
Imports
java.util.Collections, .List, org.hibernate.boot.model.relational.AuxiliaryDatabaseObject, .Namespace, org.hibernate.mapping.Column, org.hibernate.metamodel.mapping.SelectableMapping, org.hibernate.tool.schema.extract.spi.ColumnTypeInformation, org.hibernate.type.spi.TypeConfiguration

Field Summary

Modifier and TypeField and Description
public static final AggregateSupport
INSTANCE

Constructor Summary

AccessConstructor and Description
public
AggregateSupportImpl()

Method Summary

Modifier and TypeMethod and Description
public List<AuxiliaryDatabaseObject>
aggregateAuxiliaryDatabaseObjects(Namespace namespace, String aggregatePath, ColumnTypeInformation aggregateColumnType, List<Column> aggregatedColumns)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateAuxiliaryDatabaseObjects.

Allows to generate auxiliary database objects for an aggregate type.
public String
aggregateComponentAssignmentExpression(String
The expression to the aggregate column, which contains the column
aggregateParentAssignmentExpression, String
The column within the aggregate type, for which to return the assignment expression
column, ColumnTypeInformation
The type information for the aggregate column
aggregateColumnType, ColumnTypeInformation
The type information for the column within the aggregate type
columnType)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentAssignmentExpression.

Returns the assignment expression to use for column, which is part of the aggregate type of aggregatePath.
public String
aggregateComponentCustomReadExpression(String
The custom read expression template of the column
template, String
The placeholder to replace with the actual read expression
placeholder, String
The expression to the aggregate column, which contains the column
aggregateParentReadExpression, String
The column within the aggregate type, for which to return the read expression
column, ColumnTypeInformation
The type information for the aggregate column
aggregateColumnType, ColumnTypeInformation
The type information for the column within the aggregate type
columnType)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentCustomReadExpression.

Returns the custom read expression to use for column.
public int
aggregateComponentSqlTypeCode(int
The org.hibernate.type.SqlTypes type code of the aggregate column
aggregateColumnSqlTypeCode, int
The org.hibernate.type.SqlTypes type code of the column
columnSqlTypeCode)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentSqlTypeCode.

Returns the org.hibernate.type.SqlTypes type code to use for the given column type code, when aggregated within a column of the given aggregate column type code.
public String
aggregateCustomWriteExpression(ColumnTypeInformation
The type information for the aggregate column
aggregateColumnType, List<Column>
The columns of the aggregate type
aggregatedColumns)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateCustomWriteExpression.

Returns the custom write expression to use for an aggregate column of the given column type, containing the given aggregated columns.
public AggregateSupport.WriteExpressionRenderer
aggregateCustomWriteExpressionRenderer(SelectableMapping
The mapping of the aggregate column
aggregateColumn, SelectableMapping[]
The mappings of the columns that should be updated
columnsToUpdate, TypeConfiguration
The type configuration
typeConfiguration)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateCustomWriteExpressionRenderer.

public boolean
preferBindAggregateMapping(int aggregateSqlTypeCode)

Implements org.hibernate.dialect.aggregate.AggregateSupport.preferBindAggregateMapping.

Whether to prefer binding the aggregate column as a whole instead of individual parts.
public boolean
preferSelectAggregateMapping(int aggregateSqlTypeCode)

Implements org.hibernate.dialect.aggregate.AggregateSupport.preferSelectAggregateMapping.

Whether to prefer selecting the aggregate column as a whole instead of individual parts.
public boolean
requiresAggregateCustomWriteExpressionRenderer(int aggregateSqlTypeCode)

Implements org.hibernate.dialect.aggregate.AggregateSupport.requiresAggregateCustomWriteExpressionRenderer.

Whether aggregateCustomWriteExpressionRenderer(SelectableMapping, SelectableMapping[], TypeConfiguration) is needed when assigning an expression to individual aggregated columns in an update statement.
public boolean
supportsComponentCheckConstraints()

Implements org.hibernate.dialect.aggregate.AggregateSupport.supportsComponentCheckConstraints.

Returns whether the database supports the use of a check constraint on tables, to implement not-null and other constraints of an aggregate type.
Inherited from java.lang.Object:
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Field Detail

INSTANCEback to summary
public static final AggregateSupport INSTANCE

Constructor Detail

AggregateSupportImplback to summary
public AggregateSupportImpl()

Method Detail

aggregateAuxiliaryDatabaseObjectsback to summary
public List<AuxiliaryDatabaseObject> aggregateAuxiliaryDatabaseObjects(Namespace namespace, String aggregatePath, ColumnTypeInformation aggregateColumnType, List<Column> aggregatedColumns)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateAuxiliaryDatabaseObjects.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.aggregateAuxiliaryDatabaseObjects.

Allows to generate auxiliary database objects for an aggregate type.

Annotations
@Override
aggregateComponentAssignmentExpressionback to summary
public String aggregateComponentAssignmentExpression(String aggregateParentAssignmentExpression, String column, ColumnTypeInformation aggregateColumnType, ColumnTypeInformation columnType)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentAssignmentExpression.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentAssignmentExpression.

Returns the assignment expression to use for column, which is part of the aggregate type of aggregatePath.

Parameters
aggregateParentAssignmentExpression:String

The expression to the aggregate column, which contains the column

column:String

The column within the aggregate type, for which to return the assignment expression

aggregateColumnType:ColumnTypeInformation

The type information for the aggregate column

columnType:ColumnTypeInformation

The type information for the column within the aggregate type

Annotations
@Override
aggregateComponentCustomReadExpressionback to summary
public String aggregateComponentCustomReadExpression(String template, String placeholder, String aggregateParentReadExpression, String column, ColumnTypeInformation aggregateColumnType, ColumnTypeInformation columnType)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentCustomReadExpression.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentCustomReadExpression.

Returns the custom read expression to use for column. Replaces the given placeholder in the given template by the custom read expression to use for column.

Parameters
template:String

The custom read expression template of the column

placeholder:String

The placeholder to replace with the actual read expression

aggregateParentReadExpression:String

The expression to the aggregate column, which contains the column

column:String

The column within the aggregate type, for which to return the read expression

aggregateColumnType:ColumnTypeInformation

The type information for the aggregate column

columnType:ColumnTypeInformation

The type information for the column within the aggregate type

Annotations
@Override
aggregateComponentSqlTypeCodeback to summary
public int aggregateComponentSqlTypeCode(int aggregateColumnSqlTypeCode, int columnSqlTypeCode)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentSqlTypeCode.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.aggregateComponentSqlTypeCode.

Returns the org.hibernate.type.SqlTypes type code to use for the given column type code, when aggregated within a column of the given aggregate column type code. Allows to change types when a database does not allow to use certain types within an aggregate type, like DB2 doesn't allow the use of boolean within an object/struct type.

Parameters
aggregateColumnSqlTypeCode:int

The org.hibernate.type.SqlTypes type code of the aggregate column

columnSqlTypeCode:int

The org.hibernate.type.SqlTypes type code of the column

Annotations
@Override
aggregateCustomWriteExpressionback to summary
public String aggregateCustomWriteExpression(ColumnTypeInformation aggregateColumnType, List<Column> aggregatedColumns)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateCustomWriteExpression.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.aggregateCustomWriteExpression.

Returns the custom write expression to use for an aggregate column of the given column type, containing the given aggregated columns.

Parameters
aggregateColumnType:ColumnTypeInformation

The type information for the aggregate column

aggregatedColumns:List<Column>

The columns of the aggregate type

Annotations
@Override
aggregateCustomWriteExpressionRendererback to summary
public AggregateSupport.WriteExpressionRenderer aggregateCustomWriteExpressionRenderer(SelectableMapping aggregateColumn, SelectableMapping[] columnsToUpdate, TypeConfiguration typeConfiguration)

Implements org.hibernate.dialect.aggregate.AggregateSupport.aggregateCustomWriteExpressionRenderer.

Parameters
aggregateColumn:SelectableMapping

Doc from org.hibernate.dialect.aggregate.AggregateSupport.aggregateCustomWriteExpressionRenderer.

The mapping of the aggregate column

columnsToUpdate:SelectableMapping[]

Doc from org.hibernate.dialect.aggregate.AggregateSupport.aggregateCustomWriteExpressionRenderer.

The mappings of the columns that should be updated

typeConfiguration:TypeConfiguration

Doc from org.hibernate.dialect.aggregate.AggregateSupport.aggregateCustomWriteExpressionRenderer.

The type configuration

Annotations
@Override
preferBindAggregateMappingback to summary
public boolean preferBindAggregateMapping(int aggregateSqlTypeCode)

Implements org.hibernate.dialect.aggregate.AggregateSupport.preferBindAggregateMapping.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.preferBindAggregateMapping.

Whether to prefer binding the aggregate column as a whole instead of individual parts.

Annotations
@Override
preferSelectAggregateMappingback to summary
public boolean preferSelectAggregateMapping(int aggregateSqlTypeCode)

Implements org.hibernate.dialect.aggregate.AggregateSupport.preferSelectAggregateMapping.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.preferSelectAggregateMapping.

Whether to prefer selecting the aggregate column as a whole instead of individual parts.

Annotations
@Override
requiresAggregateCustomWriteExpressionRendererback to summary
public boolean requiresAggregateCustomWriteExpressionRenderer(int aggregateSqlTypeCode)

Implements org.hibernate.dialect.aggregate.AggregateSupport.requiresAggregateCustomWriteExpressionRenderer.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.requiresAggregateCustomWriteExpressionRenderer.

Whether aggregateCustomWriteExpressionRenderer(SelectableMapping, SelectableMapping[], TypeConfiguration) is needed when assigning an expression to individual aggregated columns in an update statement.

Annotations
@Override
supportsComponentCheckConstraintsback to summary
public boolean supportsComponentCheckConstraints()

Implements org.hibernate.dialect.aggregate.AggregateSupport.supportsComponentCheckConstraints.

Doc from org.hibernate.dialect.aggregate.AggregateSupport.supportsComponentCheckConstraints.

Returns whether the database supports the use of a check constraint on tables, to implement not-null and other constraints of an aggregate type.

Annotations
@Override