Package com.singularsys.extensions.matrix.dictionary

Class MatrixDictKeysIterable

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.UnaryFunction

com.singularsys.extensions.matrix.dictionary.MatrixDictKeysIterable

All Implemented Interfaces:

PostfixMathCommandI, Serializable

Direct Known Subclasses:

StreamMatrixKeys

public class MatrixDictKeysIterable
extends UnaryFunction

Matrix compatible versions of the KeysIterable function. Returns an Iterable<Object> for the keys of a map.

Since:

Jep 4.1

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.singularsys.jep.functions.UnaryFunction

UnaryFunction.FunctionWithException<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected final MatrixFactoryI	mf

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, description, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
MatrixDictKeysIterable(MatrixFactoryI mf)	Constructor

Method Summary

Modifier and Type	Method	Description
protected Iterable<Object>	eval(MatrixI mat)
protected Iterable<Object>	eval(VectorI vec)
Object	eval(Object l)	Evaluate the function
protected Iterable<Object>	eval(List<Object> list)
protected Iterable<Object>	eval(Map<Object,Object> map)

Methods inherited from class com.singularsys.jep.functions.UnaryFunction

instanceOf, instanceOf, instanceOf, instanceOf, run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, asType, checkNumberOfParameters, getDescription, getDescription, getDescriptionWithType, getName, getNumberOfParameters, setCurNumberOfParameters, setDescription, setName, toString, toString

Methods inherited from class java.lang.Object

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

Field Details

mf

protected final MatrixFactoryI mf

Constructor Details

MatrixDictKeysIterable

public MatrixDictKeysIterable(MatrixFactoryI mf)

Constructor

Parameters:

mf - the MatrixFactory used to create entries.

Method Details

eval

public Object eval(Object l)
            throws EvaluationException

Description copied from class: UnaryFunction

Evaluate the function

Specified by:

eval in class UnaryFunction

Parameters:

l - the single argument passed in

Returns:

the result of the function

Throws:

EvaluationException - on error

eval

protected Iterable<Object> eval(MatrixI mat)
                         throws EvaluationException

Throws:

EvaluationException

eval

protected Iterable<Object> eval(VectorI vec)
                         throws EvaluationException

Throws:

EvaluationException

eval

protected Iterable<Object> eval(List<Object> list)
                         throws EvaluationException

Throws:

EvaluationException

eval

protected Iterable<Object> eval(Map<Object,Object> map)
                         throws EvaluationException

Throws:

EvaluationException