org.rvpf.processor.engine.rpn.operation

Class BigDecimalOperations

Object

Operations

SimpleOperations

BigDecimalOperations

public class BigDecimalOperations
extends SimpleOperations

Big decimal operations.

Field Summary

Fields

Modifier and Type	Field and Description
static Filter	EITHER_BIG_DECIMAL Either must be big decimals.
static Filter	TOP_BIG_DECIMAL Top must be a big decimal.
static Filter	TOP_LONG_BIG_DECIMAL Top must be an integer over a big decimal.

Constructor Summary

Constructors

Constructor and Description
BigDecimalOperations()

Method Summary

Modifier and Type	Method and Description
void	execute(Task task, SimpleOperation.Reference reference) Executes an operation code within the context of a task.
static BigDecimal	popBigDecimalValue(Stack stack) Pops the big decimal at the top of the stack.
protected void	setUp() Sets up operations.

Methods inherited from class SimpleOperations

fail, fail, register, register, register

Methods inherited from class Operations

getParams, getRegistrations, getThisLogger, setUp

Methods inherited from class Object

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

Field Detail

EITHER_BIG_DECIMAL

public static final Filter EITHER_BIG_DECIMAL

Either must be big decimals.

TOP_BIG_DECIMAL

public static final Filter TOP_BIG_DECIMAL

Top must be a big decimal.

TOP_LONG_BIG_DECIMAL

public static final Filter TOP_LONG_BIG_DECIMAL

Top must be an integer over a big decimal.

Constructor Detail

BigDecimalOperations

public BigDecimalOperations()

Method Detail

popBigDecimalValue

public static BigDecimal popBigDecimalValue(Stack stack)
                                     throws Stack.AccessException

Pops the big decimal at the top of the stack.

Parameters:

stack - The stack.

Returns:

The big decimal at the top.

Throws:

Stack.AccessException - When appropriate.

execute

public void execute(Task task,
                    SimpleOperation.Reference reference)
             throws Task.ExecuteException,
                    Stack.AccessException

Executes an operation code within the context of a task.

Must be implemented by each module.

Specified by:

execute in class SimpleOperations

Parameters:

task - Task executing the program.

reference - Reference to the operation.

Throws:

Task.ExecuteException - when appropriate.

Stack.AccessException - When raised by the stack.

setUp

protected void setUp()
              throws Operation.OverloadException

Sets up operations.

Specified by:

setUp in class Operations

Throws:

Operation.OverloadException - From Operation.register(java.util.Map<java.lang.String, org.rvpf.processor.engine.rpn.operation.Operation>).