Package org.geotools.data.informix
Class InformixFilterToSQL
Object
FilterToSQL
InformixFilterToSQL
- All Implemented Interfaces:
ExpressionVisitor
,FilterVisitor
Encodes a filter into a SQL WHERE statement using Informix-appropriate syntax.
- Author:
- George Dewar, Land Information New Zealand, Ines Falcao, Land Information New Zealand
-
Nested Class Summary
Nested classes/interfaces inherited from class FilterToSQL
FilterToSQL.FieldEncoder
-
Field Summary
Fields inherited from class FilterToSQL
capabilities, currentDimension, currentGeometry, currentSRID, databaseSchema, encodingFunction, escapeBackslash, featureType, fieldEncoder, filterFactory, inEncodingEnabled, inline, IO_ERROR, LOGGER, out, primaryKey, sqlNameEscape
-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected FilterCapabilities
Sets the capabilities of this filter.protected Object
visitBinarySpatialOperator
(BinarySpatialOperator filter, Expression e1, Expression e2, Object extraData) Handles the more general case of two generic expressions.protected Object
visitBinarySpatialOperator
(BinarySpatialOperator filter, PropertyName property, Literal geometry, boolean swapped, Object extraData) Handles the common case of a PropertyName,Literal geometry binary spatial operator.protected Object
visitBinarySpatialOperatorEnhanced
(BinarySpatialOperator filter, Expression e1, Expression e2, boolean swapped, Object extraData) protected void
visitLiteralGeometry
(Literal expression) Subclasses must implement this method in order to encode geometry filters according to the specific database implementationprotected void
writeLiteral
(Object literal) Writes out a non null, non geometry literal.Methods inherited from class FilterToSQL
cast, encode, encode, encodeBinaryComparisonOperator, encodeToString, encodeToString, escapeLiteral, escapeName, evaluateLiteral, getCapabilities, getDatabaseSchema, getDistanceInNativeUnits, getExpressionType, getFeatureType, getFunctionName, getFunctionReturnType, getParameter, getPrimaryKey, getSqlNameEscape, isBinaryExpression, isEscapeBackslash, isInEncodingEnabled, processLikeLeftOperand, setCapabilities, setDatabaseSchema, setEscapeBackslash, setFeatureType, setFieldEncoder, setInEncodingEnabled, setInline, setPrimaryKey, setSqlNameEscape, setWriter, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitBinaryComparisonOperator, visitBinarySpatialOperator, visitBinaryTemporalOperator, visitBinaryTemporalOperator, visitBinaryTemporalOperator, visitInFunction, visitLiteralTimePeriod, visitNullFilter, writeBinaryExpression, writeBinaryExpressionMember
-
Constructor Details
-
InformixFilterToSQL
public InformixFilterToSQL()
-
-
Method Details
-
createFilterCapabilities
Description copied from class:FilterToSQL
Sets the capabilities of this filter.- Overrides:
createFilterCapabilities
in classFilterToSQL
- Returns:
- FilterCapabilities for this Filter
-
visitLiteralGeometry
Description copied from class:FilterToSQL
Subclasses must implement this method in order to encode geometry filters according to the specific database implementation- Overrides:
visitLiteralGeometry
in classFilterToSQL
- Throws:
IOException
-
visitBinarySpatialOperator
protected Object visitBinarySpatialOperator(BinarySpatialOperator filter, PropertyName property, Literal geometry, boolean swapped, Object extraData) Description copied from class:FilterToSQL
Handles the common case of a PropertyName,Literal geometry binary spatial operator.- Overrides:
visitBinarySpatialOperator
in classFilterToSQL
-
visitBinarySpatialOperator
protected Object visitBinarySpatialOperator(BinarySpatialOperator filter, Expression e1, Expression e2, Object extraData) Description copied from class:FilterToSQL
Handles the more general case of two generic expressions.The most common case is two PropertyName expressions, which happens during a spatial join.
- Overrides:
visitBinarySpatialOperator
in classFilterToSQL
-
visitBinarySpatialOperatorEnhanced
protected Object visitBinarySpatialOperatorEnhanced(BinarySpatialOperator filter, Expression e1, Expression e2, boolean swapped, Object extraData) -
writeLiteral
Description copied from class:FilterToSQL
Writes out a non null, non geometry literal. The base class properly handles null, numeric and booleans (true|false), and turns everything else into a string. Subclasses are expected to override this shall they need a different treatment (e.g. for dates)- Overrides:
writeLiteral
in classFilterToSQL
- Throws:
IOException
-