Package com.singularsys.jep.misc

Class CaseInsensitiveVariableTable

java.lang.Object

com.singularsys.jep.VariableTable

com.singularsys.jep.misc.DecoratingVariableTable

com.singularsys.jep.misc.CaseInsensitiveVariableTable

All Implemented Interfaces:

JepComponent, Serializable

public class CaseInsensitiveVariableTable
extends DecoratingVariableTable

A Variable table which ignores case. Internally variable names are converted to lowercase.

Author:

Richard Morris

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.singularsys.jep.VariableTable

table, vf

Constructor Summary

Constructors

Constructor	Description
CaseInsensitiveVariableTable()
CaseInsensitiveVariableTable(VariableTable tbl)	Copy constructor

Method Summary

Modifier and Type	Method	Description
Variable	addConstant(String name, Object value)	Adds a new constant
Variable	addVariable(String name)	Adds a new variable with no value specified.
Variable	addVariable(String name, Object value)	Adds a new variable with specified value.
static CaseInsensitiveVariableTable	decoratorInstance(VariableTable tbl)	Create a decorator instance
JepComponent	getLightWeightInstance()	Returns a new empty VariableTable.
Variable	getVariable(String name)	Gets an existing variable, returns null if variable is not found.
Variable	remove(String name)	Remove a variable with a given name from the table.

Methods inherited from class com.singularsys.jep.misc.DecoratingVariableTable

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

Methods inherited from class java.lang.Object

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

Constructor Details

CaseInsensitiveVariableTable

public CaseInsensitiveVariableTable()

CaseInsensitiveVariableTable

public CaseInsensitiveVariableTable(VariableTable tbl)

Copy constructor

Parameters:

tbl - table to copy variables from

Method Details

decoratorInstance

public static CaseInsensitiveVariableTable decoratorInstance(VariableTable tbl)

Create a decorator instance

Parameters:

tbl - the base table

Returns:

a new instance

addVariable

public Variable addVariable(String name)

Adds a new variable with no value specified.

Overrides:

addVariable in class DecoratingVariableTable

Parameters:

name - variable name, will be converted to lower case

Returns:

the variable

addConstant

public Variable addConstant(String name,
 Object value)
                     throws JepException

Adds a new constant

Overrides:

addConstant in class DecoratingVariableTable

Parameters:

name - variable name, will be converted to lower case

value - variable value

Returns:

the variable

Throws:

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

addVariable

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

Adds a new variable with specified value.

Overrides:

addVariable in class DecoratingVariableTable

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(String name)

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

Overrides:

getVariable in class DecoratingVariableTable

Parameters:

name - variable name, will be converted to lower case

Returns:

the variable

remove

public Variable remove(String name)

Description copied from class: VariableTable

Remove a variable with a given name from the table.

Overrides:

remove in class DecoratingVariableTable

Parameters:

name - name of the variable to remove

Returns:

the removed variable or null if the variable does not exist in the table.

getLightWeightInstance

public JepComponent getLightWeightInstance()

Description copied from class: VariableTable

Returns a new empty VariableTable.

Specified by:

getLightWeightInstance in interface JepComponent

Overrides:

getLightWeightInstance in class DecoratingVariableTable

Returns:

a new VariableTable

See Also:

• VariableTable.copyConstantsFrom(VariableTable)
• VariableTable.copyVariablesFrom(VariableTable)