Package org.gvsig.expressionevaluator.spi

Class BaseExpressionEvaluator

java.lang.Object

org.gvsig.tools.evaluator.AbstractEvaluator

org.gvsig.expressionevaluator.spi.BaseExpressionEvaluator

All Implemented Interfaces:

Cloneable, ExpressionEvaluator, SupportToExpression, SupportToSymbolTable, org.gvsig.json.SupportFromJson, org.gvsig.json.SupportJson, org.gvsig.json.SupportToJson, org.gvsig.tools.evaluator.Evaluator, org.gvsig.tools.evaluator.EvaluatorWithDescriptions, org.gvsig.tools.lang.Cloneable, org.gvsig.tools.persistence.Persistent

public class BaseExpressionEvaluator
extends org.gvsig.tools.evaluator.AbstractEvaluator
implements ExpressionEvaluator, org.gvsig.tools.lang.Cloneable, SupportToExpression, SupportToSymbolTable

Nested Class Summary

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

org.gvsig.tools.evaluator.EvaluatorWithDescriptions.Description

Constructor Summary

Constructors

Constructor	Description
BaseExpressionEvaluator(String source)
BaseExpressionEvaluator(Expression expression)

Method Summary

Modifier and Type	Method	Description
void	addSymbolTable(SymbolTable symbolTable)
org.gvsig.tools.evaluator.Evaluator	clone()
Object	evaluate(org.gvsig.tools.evaluator.EvaluatorData data)
void	fromJson(javax.json.JsonObject json)
org.gvsig.tools.evaluator.EvaluatorWithDescriptions.Description[]	getAvailableFunctions()
org.gvsig.tools.evaluator.EvaluatorWithDescriptions.Description[]	getAvailableOperators()
String	getDescription()
org.gvsig.tools.evaluator.EvaluatorFieldsInfo	getFieldsInfo()
String	getName()
String	getSQL()	Get a SQL representation of the evaluator.
void	loadFromState(org.gvsig.tools.persistence.PersistentState state)
static void	registerPersistence()
void	saveToState(org.gvsig.tools.persistence.PersistentState state)
Expression	toExpression()
org.gvsig.json.JsonObjectBuilder	toJsonBuilder()
SymbolTable	toSymbolTable()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.json.SupportToJson

toJson, toJson, toJsonBuilder

Constructor Details

BaseExpressionEvaluator

public BaseExpressionEvaluator(String source)

BaseExpressionEvaluator

public BaseExpressionEvaluator(Expression expression)

Method Details

getName

public String getName()

Specified by:

getName in interface org.gvsig.tools.evaluator.Evaluator

getDescription

public String getDescription()

Specified by:

getDescription in interface org.gvsig.tools.evaluator.Evaluator

Overrides:

getDescription in class org.gvsig.tools.evaluator.AbstractEvaluator

getSQL

public String getSQL()

Description copied from interface: ExpressionEvaluator

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

Specified by:

getSQL in interface org.gvsig.tools.evaluator.Evaluator

Specified by:

getSQL in interface ExpressionEvaluator

Overrides:

getSQL in class org.gvsig.tools.evaluator.AbstractEvaluator

Returns:

the SQL string.

toExpression

public Expression toExpression()

Specified by:

toExpression in interface SupportToExpression

toSymbolTable

public SymbolTable toSymbolTable()

Specified by:

toSymbolTable in interface SupportToSymbolTable

evaluate

public Object evaluate(org.gvsig.tools.evaluator.EvaluatorData data)
                throws org.gvsig.tools.evaluator.EvaluatorException

Specified by:

evaluate in interface org.gvsig.tools.evaluator.Evaluator

Throws:

org.gvsig.tools.evaluator.EvaluatorException

getFieldsInfo

public org.gvsig.tools.evaluator.EvaluatorFieldsInfo getFieldsInfo()

Specified by:

getFieldsInfo in interface org.gvsig.tools.evaluator.Evaluator

Overrides:

getFieldsInfo in class org.gvsig.tools.evaluator.AbstractEvaluator

getAvailableOperators

public org.gvsig.tools.evaluator.EvaluatorWithDescriptions.Description[] getAvailableOperators()

Specified by:

getAvailableOperators in interface org.gvsig.tools.evaluator.EvaluatorWithDescriptions

getAvailableFunctions

public org.gvsig.tools.evaluator.EvaluatorWithDescriptions.Description[] getAvailableFunctions()

Specified by:

getAvailableFunctions in interface org.gvsig.tools.evaluator.EvaluatorWithDescriptions

clone

public org.gvsig.tools.evaluator.Evaluator clone()
                                          throws CloneNotSupportedException

Specified by:

clone in interface org.gvsig.tools.lang.Cloneable

Overrides:

clone in class Object

Throws:

CloneNotSupportedException

saveToState

public void saveToState(org.gvsig.tools.persistence.PersistentState state)
                 throws org.gvsig.tools.persistence.exception.PersistenceException

Specified by:

saveToState in interface org.gvsig.tools.persistence.Persistent

Throws:

org.gvsig.tools.persistence.exception.PersistenceException

loadFromState

public void loadFromState(org.gvsig.tools.persistence.PersistentState state)
                   throws org.gvsig.tools.persistence.exception.PersistenceException

Specified by:

loadFromState in interface org.gvsig.tools.persistence.Persistent

Throws:

org.gvsig.tools.persistence.exception.PersistenceException

registerPersistence

public static void registerPersistence()

addSymbolTable

public void addSymbolTable(SymbolTable symbolTable)

Specified by:

addSymbolTable in interface ExpressionEvaluator

fromJson

public void fromJson(javax.json.JsonObject json)

Specified by:

fromJson in interface org.gvsig.json.SupportFromJson

toJsonBuilder

public org.gvsig.json.JsonObjectBuilder toJsonBuilder()

Specified by:

toJsonBuilder in interface org.gvsig.json.SupportToJson