Package com.singularsys.extexamples.consoles

Class StreamConsole

java.lang.Object

com.singularsys.jepexamples.consoles.Console

com.singularsys.extexamples.consoles.FieldConsole

com.singularsys.extexamples.consoles.StreamConsole

public class StreamConsole
extends FieldConsole

A console application illustrating the use of evaluation using Streams in the com.singularsys.extensions.stream package.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	StreamConsole.PrimeSuplier	A unbounded supplier of prime numbers, implemented as an Iterable.

Nested classes/interfaces inherited from class com.singularsys.extexamples.consoles.FieldConsole

FieldConsole.AllToComplexDecorator, FieldConsole.BigDecPFMC, FieldConsole.DoublePFMC, FieldConsole.RationalBigDecToDoubleDecorator, FieldConsole.RationalDoubleNumberFactory, FieldConsole.RationalPFMC, FieldConsole.RationalToBigDecDecorator, FieldConsole.Type

Nested classes/interfaces inherited from class com.singularsys.jepexamples.consoles.Console

Console.JepOutputStream, Console.JepPrintStream, Console.NodeRes, Console.SPEC_ACTION

Field Summary

Fields inherited from class com.singularsys.extexamples.consoles.FieldConsole

addStrings, baseField, decimalFormat, fields, funTab, mc, numf, opTab, scale, type, varFac, varTab

Fields inherited from class com.singularsys.jepexamples.consoles.Console

altered, doubleFormat, history, jep, showHistory

Constructor Summary

Constructors

Constructor	Description
StreamConsole()

Method Summary

Modifier and Type	Method	Description
boolean	finaliseCommand(String command, Node node, Object res)	Perform any post-processing of a command after evaluation.
void	initialise()	sets up all the needed objects.
static void	main(String[] args)	Creates a new Console object and calls run()
void	printHelp()	Print help message.
void	printIntroText()	Prints introductory text.
Object	processEquation(Node node)	Performs the required operation on a node.
void	setEvaluator(Evaluator ev)	Sets the evaluator used.
void	showCalls()	Shows a summary of function, operator, variable and constant calls.
void	showTree()	Shows the call tree with counts and times.

Methods inherited from class com.singularsys.extexamples.consoles.FieldConsole

initBigDec, initBigInt, initComplex, initDouble, initExactInteger, initField, initFixed, initInteger, initMixed, initNone, initRational, initStandard, printFields, setField, setFormat, setFormat, testSpecialCommands, toString

Methods inherited from class com.singularsys.jepexamples.consoles.Console

clearVars, getCommand, getHistory, getJep, getPrompt, handleError, inputLoop, parseEvaluate, print, printFunctionEntry, printFuns, printHistory, println, printOps, printStdHelp, printVars, processCommand, run, setAlteredCommand, setFormat, setIndexShift, setMonitor, split

Methods inherited from class java.lang.Object

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

Constructor Details

StreamConsole

public StreamConsole()

Method Details

initialise

public void initialise()

Description copied from class: Console

sets up all the needed objects.

Overrides:

initialise in class FieldConsole

printIntroText

public void printIntroText()

Description copied from class: Console

Prints introductory text.

Overrides:

printIntroText in class Console

printHelp

public void printHelp()

Description copied from class: Console

Print help message.

Overrides:

printHelp in class FieldConsole

finaliseCommand

public boolean finaliseCommand(String command,
 Node node,
 Object res)

Description copied from class: Console

Perform any post-processing of a command after evaluation.

Overrides:

finaliseCommand in class Console

Parameters:

command - the string expression

node - parsed expression

res - result of evaluation

Returns:

true, false indicates the program should exit.

processEquation

public Object processEquation(Node node)
                       throws JepException

Description copied from class: Console

Performs the required operation on a node. Typically, evaluates the node and prints the value.

Overrides:

processEquation in class Console

Parameters:

node - Node representing expression

Returns:

The result of the calculation

Throws:

JepException - if a Parse or evaluation error

showCalls

public void showCalls()

Description copied from class: Console

Shows a summary of function, operator, variable and constant calls.

Overrides:

showCalls in class Console

showTree

public void showTree()

Description copied from class: Console

Shows the call tree with counts and times.

Overrides:

showTree in class Console

setEvaluator

public void setEvaluator(Evaluator ev)

Description copied from class: Console

Sets the evaluator used. Default method simple calls Jep.setComponent(com.singularsys.jep.JepComponent) with the evaluator.

Overrides:

setEvaluator in class Console

Parameters:

ev - the evaluator to use

main

public static void main(String[] args)

Creates a new Console object and calls run()