i3.dragos.gm.core.schema
Class DefaultSchemaChecker

java.lang.Object
  i3.dragos.gm.core.schema.DefaultSchemaChecker

All Implemented Interfaces:

SchemaChecker

public final class DefaultSchemaChecker
extends java.lang.Object
implements SchemaChecker

The DefaultSchemaChecker verifies the correctness of the Schema's contents.

Actually, it does not do any checking on its own, since schema consistency is continually enforced through the modifying methods themselves (please consult the "Consistency" section in the documentation for details). It may be extended with custom SchemaCheckers by extensions or an application GM to perform additional checks.

Author:

Thorsten Hermes <thermes@i3.informatik.rwth-aachen.de>

See Also:

SchemaChecker

Constructor Summary

DefaultSchemaChecker()

Method Summary

void	addCustomSchemaChecker(SchemaChecker gpc) Adds a custom SchemaChecker that can perform additional checks.
void	check(java.util.Collection<? extends GraphEntityClass> c) Checks all entity classes in the Collection.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultSchemaChecker

public DefaultSchemaChecker()

Method Detail

addCustomSchemaChecker

public void addCustomSchemaChecker(SchemaChecker gpc)

Adds a custom SchemaChecker that can perform additional checks. It will be appended after any other custom SchemaCheckers that may have already been added.

Parameters:

gpc - The custom SchemaChecker (null is allowed for convenience, and will result in no modification).

check

public void check(java.util.Collection<? extends GraphEntityClass> c)
           throws SchemaCheckException,
                  DragosException

Checks all entity classes in the Collection. Forwards the call to all custom checkers in the same order as they were added.

Specified by:

check in interface SchemaChecker

Parameters:

c - A Collection containing the entity classes to check.

Throws:

SchemaCheckException - if an inconsistency or similar problem was found.

DragosException - in case of internal errors.