Package chemaxon.jep

Class ConstantTable

java.lang.Object

chemaxon.jep.ConstantTable

@PublicAPI
public final class ConstantTable
extends Object

Immutable table of constants used in a Chemical Terms evaluator.

Field Summary

Fields

Modifier and Type	Field	Description
static final ConstantTable	EMPTY	An empty constant table.

Method Summary

Modifier and Type	Method	Description
static ConstantTableBuilder	builder()	Creates a new builder for a constant table.
Set<String>	constants()	Returns an immutable set containing the names of the constants in this table.
boolean	containsConstant(String name)	Returns true if this table contains the given constant.
Object	getClonedValue(String name)	Returns the value of a constant.

Methods inherited from class java.lang.Object

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

Field Details

EMPTY

public static final ConstantTable EMPTY

An empty constant table.

Method Details

builder

public static ConstantTableBuilder builder()

Creates a new builder for a constant table.

Returns:

a new builder

constants

public Set<String> constants()

Returns an immutable set containing the names of the constants in this table.

Returns:

the names of constants in this table

containsConstant

public boolean containsConstant(String name)

Returns true if this table contains the given constant.

Parameters:

name - the name of the constant

Returns:

whether the constant is present in this table

getClonedValue

public Object getClonedValue(String name)

Returns the value of a constant. If the value is a mutable object, it is cloned before returning.

Parameters:

name - the name of the constant

Returns:

the immutable or cloned value of the constant