From e7ce013432bfc529954cfc76614bb5e11134911e Mon Sep 17 00:00:00 2001
From: Daniel O'Connor <daniel.oconnor@gmail.com>
Date: Sun, 25 Mar 2012 15:44:47 +1030
Subject: [PATCH] Rely on exceptions

---
 RDF/Statement.php | 66 +++--------------------------------------------
 1 file changed, 3 insertions(+), 63 deletions(-)

diff --git a/RDF/Statement.php b/RDF/Statement.php
index db10d5f..19dd322 100644
--- a/RDF/Statement.php
+++ b/RDF/Statement.php
@@ -50,18 +50,9 @@ function factory($subj, $pred, $obj)
     {
         $statement =& new RDF_Statement;
 
-        $return = $statement->setSubject($subj);
-        if (PEAR::isError($return)) {
-            return $return;
-        }
-        $return = $statement->setPredicate($pred);
-        if (PEAR::isError($return)) {
-            return $return;
-        }
-        $return = $statement->setObject($obj);
-        if (PEAR::isError($return)) {
-            return $return;
-        }
+        $statement->setSubject($subj);
+        $statement->setPredicate($pred);
+        $statement->setObject($obj);
 
         return $statement;
     }
@@ -252,25 +243,16 @@ function equals($that)
         }
 
         $result = $this->subj->equals($that->getSubject());
-        if (PEAR::isError($result)) {
-            return $result;
-        }
         if (!$result) {
             return false;
         }
 
         $result = $this->pred->equals($that->getPredicate());
-        if (PEAR::isError($result)) {
-            return $result;
-        }
         if (!$result) {
             return false;
         }
 
         $result = $this->obj->equals($that->getObject());
-        if (PEAR::isError($result)) {
-            return $result;
-        }
         if (!$result) {
             return false;
         }
@@ -313,63 +295,21 @@ function &reify(&$model_or_bNodeID)
             $statementModel =& new RDF_Model_Memory();
             $thisStatement =& RDF_BlankNode::factory($model_or_bNodeID);
         }
-        if (PEAR::isError($thisStatement)) {
-            return $thisStatement;
-        }
 
         $RDFstatement =& RDF_Resource::factory(RDF_NAMESPACE_URI . RDF_STATEMENT);
-        if (PEAR::isError($RDFstatement)) {
-            return $RDFstatement;
-        }
         $RDFtype =& RDF_Resource::factory(RDF_NAMESPACE_URI . RDF_TYPE);
-        if (PEAR::isError($RDFtype)) {
-            return $RDFtype;
-        }
         $RDFsubject =& RDF_Resource::factory(RDF_NAMESPACE_URI . RDF_SUBJECT);
-        if (PEAR::isError($RDFsubject)) {
-            return $RDFsubject;
-        }
         $RDFpredicate =& RDF_Resource::factory(RDF_NAMESPACE_URI . RDF_PREDICATE);
-        if (PEAR::isError($RDFpredicate)) {
-            return $RDFpredicate;
-        }
         $RDFobject =& RDF_Resource::factory(RDF_NAMESPACE_URI . RDF_OBJECT);
-        if (PEAR::isError($RDFobject )) {
-            return $RDFobject ;
-        }
 
         $statement =& RDF_Statement::factory($thisStatement, $RDFtype, $RDFstatement);
-        if (PEAR::isError($statement)) {
-            return $statement;
-        }
         $result = $statementModel->add($statement);
-        if (PEAR::isError($result)) {
-            return $result;
-        }
         $statement =& RDF_Statement::factory($thisStatement, $RDFsubject, $this->getSubject());
-        if (PEAR::isError($statement)) {
-            return $statement;
-        }
         $result = $statementModel->add($statement);
-        if (PEAR::isError($result)) {
-            return $result;
-        }
         $statement =& RDF_Statement::factory($thisStatement, $RDFpredicate, $this->getPredicate());
-        if (PEAR::isError($statement)) {
-            return $statement;
-        }
         $result = $statementModel->add($statement);
-        if (PEAR::isError($result)) {
-            return $result;
-        }
         $statement =& RDF_Statement::factory($thisStatement, $RDFobject, $this->getObject());
-        if (PEAR::isError($statement)) {
-            return $statement;
-        }
         $result = $statementModel->add($statement);
-        if (PEAR::isError($result)) {
-            return $result;
-        }
 
         return $statementModel;
     }