com.nt.udc.io

Class COSARExprStr2Time

java.lang.Object

com.nt.udc.io.COSARExpr

com.nt.udc.io.COSARExprStr2Time

public class COSARExprStr2Time
extends COSARExpr

This class represents the operation used to convert a string into a time, according to a format.

The format is defined according to java documentation for SimpleDateFormatter. See http://java.sun.com/products/jdk/1.2/docs/api/index.html

Here are some examples of control characters

• y year
• M month
• d day
• h hour
• m minute
• s second

Characters may be prevented from being interpreted as control characters by enclosing them in single quotes.

Field Summary

Fields

Modifier and Type	Field and Description
protected COSARExpr	m_format
protected COSARExpr	m_time These members represent the operands.
protected COSARAttrLong	m_value

Fields inherited from class com.nt.udc.io.COSARExpr

m_bIsConstant

Constructor Summary

Constructors

Constructor and Description
COSARExprStr2Time(COSARExpr op1, COSARExpr op2)

Method Summary

Methods

Modifier and Type	Method and Description
COSARAttr	eval(java.util.HashMap symbols) This function is used to evaluate the expression.
java.lang.String	toString()

Methods inherited from class com.nt.udc.io.COSARExpr

isConstant

Methods inherited from class java.lang.Object

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

Field Detail

m_value

protected COSARAttrLong m_value

m_time

protected COSARExpr m_time

These members represent the operands.

m_format

protected COSARExpr m_format

Constructor Detail

COSARExprStr2Time

public COSARExprStr2Time(COSARExpr op1,
                 COSARExpr op2)
                  throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

eval

public COSARAttr eval(java.util.HashMap symbols)
               throws java.lang.Exception

Description copied from class: COSARExpr

This function is used to evaluate the expression. A symbol table is passed to help in retrieving the value of referenced symbols. The HashMap should contain values stored as COSARAttr objects, keyed by their associated symbol's name.

Overrides:

eval in class COSARExpr

Returns:

The expression's value

Throws:

java.lang.Exception

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

A string representation of the OSAR expression