org.gvsig.expressionevaluator

Interface ExpressionEvaluator

All Superinterfaces:

Evaluator, EvaluatorWithDescriptions, Persistent, SupportFromJson, SupportJson, SupportToExpression, SupportToJson, SupportToSymbolTable

All Known Implementing Classes:

BaseExpressionEvaluator, DefaultFeatureExpressionEvaluator

public interface ExpressionEvaluator
extends EvaluatorWithDescriptions, Persistent, SupportToExpression, SupportToSymbolTable, SupportJson

Nested Class Summary

Nested classes/interfaces inherited from interface org.gvsig.tools.evaluator.EvaluatorWithDescriptions

EvaluatorWithDescriptions.Description

Method Summary

Modifier and Type	Method and Description
void	addSymbolTable(SymbolTable symbolTable)
java.lang.String	getSQL() Get a SQL representation of the evaluator.

Methods inherited from interface org.gvsig.tools.evaluator.EvaluatorWithDescriptions

getAvailableFunctions, getAvailableOperators

Methods inherited from interface org.gvsig.tools.evaluator.Evaluator

evaluate, getDescription, getFieldsInfo, getName

Methods inherited from interface org.gvsig.tools.persistence.Persistent

loadFromState, saveToState

Methods inherited from interface org.gvsig.expressionevaluator.SupportToExpression

toExpression

Methods inherited from interface org.gvsig.expressionevaluator.SupportToSymbolTable

toSymbolTable

Methods inherited from interface org.gvsig.json.SupportFromJson

fromJson

Methods inherited from interface org.gvsig.json.SupportToJson

toJson, toJson, toJsonBuilder, toJsonBuilder

Method Detail

getSQL

java.lang.String getSQL()

Get a SQL representation of the evaluator. This funcion can return a non-sql compatible expression.

Specified by:

getSQL in interface Evaluator

Returns:

the SQL string.

addSymbolTable

void addSymbolTable(SymbolTable symbolTable)