public class PostgisSupport extends java.lang.Object implements SpatialDialect, java.io.Serializable
Constructor and Description |
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PostgisSupport() |
Modifier and Type | Method and Description |
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org.hibernate.spatial.dialect.postgis.PostgisFunctions |
functionsToRegister() |
java.lang.String |
getDWithinSQL(java.lang.String columnName)
Returns The SQL fragment when parsing a
DWithinExpression . |
java.lang.String |
getHavingSridSQL(java.lang.String columnName)
Returns the SQL fragment when parsing a
HavingSridExpression . |
java.lang.String |
getIsEmptySQL(java.lang.String columnName,
boolean isEmpty)
Returns the SQL fragment when parsing a
IsEmptyExpression or
IsNotEmpty expression. |
java.lang.String |
getSpatialAggregateSQL(java.lang.String columnName,
int aggregation)
Returns the SQL fragment for the specfied Spatial aggregate expression.
|
java.lang.String |
getSpatialFilterExpression(java.lang.String columnName)
Returns the SQL fragment for the SQL WHERE-expression when parsing
org.hibernate.spatial.criterion.SpatialFilterExpression s
into prepared statements. |
java.lang.String |
getSpatialRelateSQL(java.lang.String columnName,
int spatialRelation)
Returns the SQL fragment for the SQL WHERE-clause when parsing
org.hibernatespatial.criterion.SpatialRelateExpression s
into prepared statements. |
boolean |
supports(SpatialFunction function)
Does this dialect supports the specified
SpatialFunction . |
boolean |
supportsFiltering()
Returns true if this
SpatialDialect supports a specific filtering function. |
public org.hibernate.spatial.dialect.postgis.PostgisFunctions functionsToRegister()
public java.lang.String getSpatialRelateSQL(java.lang.String columnName, int spatialRelation)
org.hibernatespatial.criterion.SpatialRelateExpression
s
into prepared statements.
getSpatialRelateSQL
in interface SpatialDialect
columnName
- The name of the geometry-typed column to which the relation is
appliedspatialRelation
- The type of spatial relation (as defined in
SpatialRelation
).SpatialRelateExpression
public java.lang.String getSpatialFilterExpression(java.lang.String columnName)
org.hibernate.spatial.criterion.SpatialFilterExpression
s
into prepared statements.getSpatialFilterExpression
in interface SpatialDialect
columnName
- The name of the geometry-typed column to which the filter is
be appliedSpatialFilterExpression
public java.lang.String getSpatialAggregateSQL(java.lang.String columnName, int aggregation)
getSpatialAggregateSQL
in interface SpatialDialect
columnName
- The name of the Geometry propertyaggregation
- The type of SpatialAggregate
public java.lang.String getDWithinSQL(java.lang.String columnName)
DWithinExpression
.getDWithinSQL
in interface SpatialDialect
columnName
- The geometry column to test againstDWithinExpression
.public java.lang.String getHavingSridSQL(java.lang.String columnName)
HavingSridExpression
.getHavingSridSQL
in interface SpatialDialect
columnName
- The geometry column to test againstHavingSridExpression
.public java.lang.String getIsEmptySQL(java.lang.String columnName, boolean isEmpty)
IsEmptyExpression
or
IsNotEmpty
expression.getIsEmptySQL
in interface SpatialDialect
columnName
- The geometry columnisEmpty
- Whether the geometry is tested for empty or non-emptypublic boolean supportsFiltering()
SpatialDialect
supports a specific filtering function.
This is intended to signal DB-support for fast window queries, or MBR-overlap queries.
supportsFiltering
in interface SpatialDialect
public boolean supports(SpatialFunction function)
SpatialFunction
.supports
in interface SpatialDialect
function
- SpatialFunction
SpatialDialect
supports the spatial function specified by the function parameter.Copyright © 2001-2018 Red Hat, Inc. All Rights Reserved.