com.singularsys.jep.misc

Class CaseInsensitiveVariableTable

java.lang.Object

java.util.Observable

com.singularsys.jep.VariableTable

com.singularsys.jep.misc.CaseInsensitiveVariableTable

All Implemented Interfaces:

JepComponent, java.io.Serializable

public class CaseInsensitiveVariableTable
extends VariableTable

A Variable table which ignores case. The case of the first instance of each variable is preserved.

Author:

Richard Morris

See Also:

Serialized Form

Field Summary

Fields inherited from class com.singularsys.jep.VariableTable

table, vf

Constructor Summary

Constructors

Constructor and Description
CaseInsensitiveVariableTable()
CaseInsensitiveVariableTable(VariableTable tbl)

Method Summary

Modifier and Type	Method and Description
Variable	addVariable(java.lang.String name) Adds a new variable with no value specified.
Variable	addVariable(java.lang.String name, java.lang.Object value) Adds a new variable with specified value.
JepComponent	getLightWeightInstance() Returns a new empty VariableTable.
Variable	getVariable(java.lang.String name) Gets an existing variable, returns null if variable is not found.

Methods inherited from class com.singularsys.jep.VariableTable

addConstant, clear, clearValues, containsKey, containsVariable, copyConstantsFrom, copyVariablesFrom, getVariableFactory, getVariables, init, isEmpty, keySet, remove, remove, removeNonConstants, setVariableFactory, size, toString, values

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

CaseInsensitiveVariableTable

public CaseInsensitiveVariableTable()

CaseInsensitiveVariableTable

public CaseInsensitiveVariableTable(VariableTable tbl)

Method Detail

addVariable

public Variable addVariable(java.lang.String name)

Adds a new variable with no value specified.

Overrides:

addVariable in class VariableTable

Parameters:

name - variable name, will be converted to lower case

Returns:

the variable

addVariable

public Variable addVariable(java.lang.String name,
                            java.lang.Object value)
                     throws JepException

Adds a new variable with specified value.

Overrides:

addVariable in class VariableTable

Parameters:

name - variable name, will be converted to lower case

value - initial value

Returns:

the variable

Throws:

JepException - if an attempt is made to set the value of a constant variable

getVariable

public Variable getVariable(java.lang.String name)

Gets an existing variable, returns null if variable is not found.

Overrides:

getVariable in class VariableTable

Parameters:

name - variable name, will be converted to lower case

Returns:

the variable

getLightWeightInstance

public JepComponent getLightWeightInstance()

Description copied from class: VariableTable

Returns a new empty VariableTable.

Specified by:

getLightWeightInstance in interface JepComponent

Overrides:

getLightWeightInstance in class VariableTable

Returns:

a new VariableTable

See Also:

VariableTable.copyConstantsFrom(VariableTable), VariableTable.copyVariablesFrom(VariableTable)