Package org.apache.sis.internal.sql.feature

Class SelectionClauseWriter.Comparison

java.lang.Object

org.apache.sis.internal.sql.feature.SelectionClauseWriter.Comparison

All Implemented Interfaces:

BiConsumer<Filter<AbstractFeature>,SelectionClause>

Enclosing class:

SelectionClauseWriter

private final class SelectionClauseWriter.Comparison
extends Object
implements BiConsumer<Filter<AbstractFeature>,SelectionClause>

Handler for converting =, <, >, <= or >= filter into SQL clauses. The filter is expected to contain exactly two operands, otherwise the SQL is declared invalid.

Field Summary

Fields

Modifier and Type	Field	Description
private final String	operator	The comparison operator symbol.

Constructor Summary

Constructors

Constructor	Description
Comparison(String operator)	Creates a new handler for the given operator.

Method Summary

Modifier and Type	Method	Description
void	accept(Filter<AbstractFeature> f, SelectionClause sql)	Invoked when a comparison needs to be converted to SQL clause.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.BiConsumer

andThen

Field Details

operator

private final String operator

The comparison operator symbol.

Constructor Details

Comparison

Comparison(String operator)

Creates a new handler for the given operator.

Method Details

accept

public void accept(Filter<AbstractFeature> f,
 SelectionClause sql)

Invoked when a comparison needs to be converted to SQL clause.

Specified by:

accept in interface BiConsumer<Filter<AbstractFeature>,SelectionClause>