name.angoca.db2sa.grammarReader.api
Class AbstractGrammarReader

java.lang.Object
  name.angoca.db2sa.grammarReader.api.AbstractGrammarReader

Direct Known Subclasses:

ImplementationXMLGrammarReader

public abstract class AbstractGrammarReader
extends Object

This is the specification of the class that builds the grammar graph from the grammar file. The implementation of this class has to have a construction with a Graph as parameter. The initialization is done via reflection, and that is the only constructor that it uses.

Control Version

• 1.0.0 Class creation.
• 1.0.1 GraphToken renamed by GraphNode
• 1.1.0 Delimiters
• 1.7.0 Synchronized version with implementation.

Version:

1.1.0 2009-11-22

Author:

Andres Gomez Casanova (AngocA)

Constructor Summary

AbstractGrammarReader()

Method Summary

abstract String	getDelimiters() Returns the delimiters that separates the tokens.
abstract StartingNode	getStartingNode() Returns the token that is the entering point to the graph.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractGrammarReader

public AbstractGrammarReader()

Method Detail

getDelimiters

public abstract String getDelimiters()
                              throws DelimitersIncorrectlyDefinedException

Returns the delimiters that separates the tokens.

Returns:

the delimiters

Throws:

DelimitersIncorrectlyDefinedException - If the delimiters are wrongly defined in the grammar.

getStartingNode

public abstract StartingNode getStartingNode()
                                      throws AbstractDB2SAException

Returns the token that is the entering point to the graph.

Returns:

the startingToken.

Throws:

AbstractDB2SAException - If there is null parameter; If the graph is invalid; If the grammar file in invalid.