org.encog.ml.prg.expvalue

Class ExpressionValue

java.lang.Object

org.encog.ml.prg.expvalue.ExpressionValue

All Implemented Interfaces:

java.io.Serializable

public class ExpressionValue
extends java.lang.Object
implements java.io.Serializable

An EncogProgram expression value. These is how Encog stores variables and calculates values.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ExpressionValue(boolean theValue) Construct a boolean expression.
ExpressionValue(double theValue) Construct a boolean expression.
ExpressionValue(ExpressionValue other) Construct a expression based on an expression.
ExpressionValue(int theEnumType, long theValue) Construct an enum expression.
ExpressionValue(long theValue) Construct an integer expression.
ExpressionValue(java.lang.String theValue) Construct a string expression.
ExpressionValue(ValueType theType) Construct a value of the specified type.

Method Summary

Modifier and Type	Method and Description
int	getEnumType()
ValueType	getExpressionType()
boolean	isBoolean()
boolean	isEnum()
boolean	isFloat()
boolean	isInt()
boolean	isNumeric()
boolean	isString()
boolean	toBooleanValue()
double	toFloatValue()
long	toIntValue()
java.lang.String	toString()
java.lang.String	toStringValue()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ExpressionValue

public ExpressionValue(boolean theValue)

Construct a boolean expression.

Parameters:

theValue - The value to construct.

ExpressionValue

public ExpressionValue(double theValue)

Construct a boolean expression.

Parameters:

theValue - The value to construct.

ExpressionValue

public ExpressionValue(ExpressionValue other)

Construct a expression based on an expression.

Parameters:

other - The value to construct.

ExpressionValue

public ExpressionValue(int theEnumType,
                       long theValue)

Construct an enum expression.

Parameters:

theEnumType - The type.

theValue - The value to construct.

ExpressionValue

public ExpressionValue(long theValue)

Construct an integer expression.

Parameters:

theValue - The value to construct.

ExpressionValue

public ExpressionValue(java.lang.String theValue)

Construct a string expression.

Parameters:

theValue - The value to construct.

ExpressionValue

public ExpressionValue(ValueType theType)

Construct a value of the specified type.

Parameters:

theType - The value to construct.

Method Detail

getEnumType

public int getEnumType()

Returns:

the enumType

getExpressionType

public ValueType getExpressionType()

Returns:

The expression type.

isBoolean

public boolean isBoolean()

Returns:

True, if this is a boolean.

isEnum

public boolean isEnum()

Returns:

True, if this is an enum.

isFloat

public boolean isFloat()

Returns:

True, if this is a float.

isInt

public boolean isInt()

Returns:

True, if this is an int.

isNumeric

public boolean isNumeric()

Returns:

True, if the value is either int or float.

isString

public boolean isString()

Returns:

True, if this is a string.

toBooleanValue

public boolean toBooleanValue()

Returns:

The value as a boolean, or type mismatch if conversion is not possible.

toFloatValue

public double toFloatValue()

Returns:

The value as a float, or type mismatch if conversion is not possible.

toIntValue

public long toIntValue()

Returns:

The value as a int, or type mismatch if conversion is not possible.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toStringValue

public java.lang.String toStringValue()

Returns:

The value as a string, or type mismatch if conversion is not possible.