Package com.singularsys.jep.misc.dictionary

Class EntriesIterable

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.UnaryFunction

com.singularsys.jep.misc.dictionary.EntriesIterable

All Implemented Interfaces:

PostfixMathCommandI, Serializable

public class EntriesIterable
extends UnaryFunction

Return an Iterable<Vector<Object>> for the entries of a map. Each item returned by a iterator is a Vector with 2 elements: the ke and value. If no value is associate with the key then nullValue is used.

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 Object	nullValue

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

curNumberOfParameters, description, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
EntriesIterable(Object nullValue)	Constructor

Method Summary

Modifier and Type	Method	Description
Object	eval(Object l)	Evaluate the function
protected Iterable<Vector<Object>>	eval(List<Object> list)
protected Iterable<Vector<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

nullValue

protected final Object nullValue

Constructor Details

EntriesIterable

public EntriesIterable(Object nullValue)

Constructor

Parameters:

nullValue - , value for a key has no value.

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<Vector<Object>> eval(List<Object> list)
                                 throws EvaluationException

Throws:

EvaluationException

eval

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

Throws:

EvaluationException