public void delPermissionTargetXDIStatement(
XDIAddress permissionXDIAddress, XDIStatement targetXDIStatement) {
if (permissionXDIAddress == null || targetXDIStatement == null)
throw new NullPointerException();
// delete the permission statement
XdiInnerRoot xdiInnerRoot = this.getXdiEntity().getXdiInnerRoot(permissionXDIAddress, false);
if (xdiInnerRoot == null) return;
Statement statement = xdiInnerRoot.getContextNode().getStatement(targetXDIStatement);
if (statement == null) return;
statement.delete();
}
public boolean executeDelOnStatement(
XRI3Segment[] contributorXris,
Statement relativeTargetStatement,
Statement targetStatement,
DelOperation operation,
MessageResult messageResult,
ExecutionContext executionContext)
throws Xdi2MessagingException {
if (targetStatement instanceof ContextNodeStatement)
return this.executeDelOnContextNodeStatement(
contributorXris,
(ContextNodeStatement) relativeTargetStatement,
(ContextNodeStatement) targetStatement,
operation,
messageResult,
executionContext);
else if (targetStatement instanceof RelationStatement)
return this.executeDelOnRelationStatement(
contributorXris,
(RelationStatement) relativeTargetStatement,
(RelationStatement) targetStatement,
operation,
messageResult,
executionContext);
else if (targetStatement instanceof LiteralStatement)
return this.executeDelOnLiteralStatement(
contributorXris,
(LiteralStatement) relativeTargetStatement,
(LiteralStatement) targetStatement,
operation,
messageResult,
executionContext);
else
throw new Xdi2MessagingException(
"Unknown statement type: " + targetStatement.getClass().getCanonicalName(),
null,
executionContext);
}