com.orchestranetworks.service

Class AccessRule.NoWriteRule

java.lang.Object

com.orchestranetworks.service.AccessRule.NoWriteRule

All Implemented Interfaces:

AccessRule

Enclosing interface:

AccessRule

public static final class AccessRule.NoWriteRule
extends Object
implements AccessRule

Wraps another rule to return a maximum access level of read-only. That is, if the inner rule returns read-write, this rule will return read-only. Otherwise, it returns the same result as the inner rule.

Nested Class Summary

Nested classes/interfaces inherited from interface com.orchestranetworks.service.AccessRule

AccessRule.NoWriteRule

Field Summary

Fields inherited from interface com.orchestranetworks.service.AccessRule

ALWAYS_HIDDEN, ALWAYS_READ_ONLY, ALWAYS_READ_WRITE

Method Summary

Modifier and Type	Method and Description
AccessPermission	getPermission(Adaptation anAdaptation, Session aSession, SchemaNode aNode) Returns permissions for the specified arguments.
static AccessRule	wrapRule(AccessRule aRule)

Methods inherited from class java.lang.Object

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

Method Detail

wrapRule

public static AccessRule wrapRule(AccessRule aRule)

getPermission

public AccessPermission getPermission(Adaptation anAdaptation,
                                      Session aSession,
                                      SchemaNode aNode)

Description copied from interface: AccessRule

Returns permissions for the specified arguments.

Warning: if this AccessRule is assigned to a table record, this method is called in multiple contexts:

1. To evaluate table "column" permissions; in this case, aDataSetOrRecord is the current dataset.
2. To evaluate the node permissions of a specific existing record; in this case, aDataSetOrRecord is the current record.
3. To evaluate the node permissions in a record creation context (meaning that the record does not exist yet); in this case, aDataSetOrRecord is the current dataset.
4. Furthermore, if table history is activated, this method will also be invoked in the context of the history view in the first two cases above. In the context of the history view, some fields may be absent and the expected permissions can be different from those in other contexts. Consequently, the implementation of this method may need to check if it is being invoked from the history view. For more information, see Permissions for table history.

Specified by:

getPermission in interface AccessRule

Parameters:

anAdaptation - current dataset or record (see warning above)

aSession - current user session

aNode - current data model node whose access must be computed; when the permission is requested for the dataset itself (not a particular node), this is the root node

Returns:

a permission, never null.

See Also:

SchemaExtensionsContext, Performance and tuning