net.sf.basedb.util.jep
Class FunctionSafeJep.SafeFunctionTable

java.lang.Object
  java.util.Dictionary<K,V>
      java.util.Hashtable
          org.nfunk.jep.FunctionTable
              net.sf.basedb.util.jep.FunctionSafeJep.SafeFunctionTable

All Implemented Interfaces:

Serializable, Cloneable, Map

Enclosing class:

FunctionSafeJep

static class FunctionSafeJep.SafeFunctionTable
extends FunctionTable

Function table implementation that pretends that all possible functions exists, but sends an error message if someone tries to use a function that doesn't really exists.

Field Summary

private FunctionSafeJep	jep
private static long	serialVersionUID

Constructor Summary

FunctionSafeJep.SafeFunctionTable(FunctionSafeJep jep)

Method Summary

boolean	containsKey(Object key) If the key is already registered, return TRUE.
private String	nextToken(String token) Get the next token in the parser.
private void	readObject(ObjectInputStream ois)
private void	writeObject(ObjectOutputStream ois)

Methods inherited from class org.nfunk.jep.FunctionTable

get, get, put, put

Methods inherited from class java.util.Hashtable

clear, clone, contains, containsValue, elements, entrySet, equals, hashCode, isEmpty, keys, keySet, putAll, rehash, remove, size, toString, values

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

serialVersionUID

private static final long serialVersionUID

See Also:

Constant Field Values

jep

private final FunctionSafeJep jep

Constructor Detail

FunctionSafeJep.SafeFunctionTable

FunctionSafeJep.SafeFunctionTable(FunctionSafeJep jep)

Method Detail

containsKey

public boolean containsKey(Object key)

If the key is already registered, return TRUE. If the key is not registered and is a function, register it as an unknown function, set an error message and return TRUE. Otherwise return FALSE.

Specified by:

containsKey in interface Map

Overrides:

containsKey in class Hashtable

nextToken

private String nextToken(String token)

Get the next token in the parser. If this is a "(", the parse is currently looking up a function name.

Parameters:

token - The current token

readObject

private void readObject(ObjectInputStream ois)
                 throws ClassNotFoundException,
                        IOException

Throws:

ClassNotFoundException

IOException

writeObject

private void writeObject(ObjectOutputStream ois)
                  throws IOException

Throws:

IOException