Pulling in MITRE's search core. Fo'rizzle this time. Yo.

git-svn-id: http://code.elgg.org/elgg/trunk@3572 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 39 insertions, 0 deletions

diff --git a/engine/lib/entities.php b/engine/lib/entities.php
index 373654431..7fe849421 100644
--- a/engine/lib/entities.php
+++ b/engine/lib/entities.php
@@ -63,6 +63,13 @@ abstract class ElggEntity implements
 	 */
 	protected $temp_annotations;
 
+ 
+	/**
+	 * Volatile data structure for this object, allows for storage of data 
+	 * in-memory that isn't sync'd back to the metadata table.
+	 */
+	protected $volatile;
+
 	/**
 	 * Initialise the attributes array.
 	 * This is vital to distinguish between metadata and base parameters.
@@ -84,6 +91,9 @@ abstract class ElggEntity implements
 		if (!is_array($this->temp_annotations)) {
 			$this->temp_annotations = array();
 		}
+		if (!is_array($this->volatile)) {
+			$this->volatile = array();
+		}
 
 		$this->attributes['guid'] = "";
 		$this->attributes['type'] = "";
@@ -325,6 +335,35 @@ abstract class ElggEntity implements
 		}
 	}
 
+	
+	/**
+	 * Get a piece of volatile (non-persisted) data on this entity
+	 */
+	public function getVolatileData($name) {
+		if (!is_array($this->volatile)) {
+			$this->volatile = array();
+		}
+		
+		if (array_key_exists($name, $this->volatile)) {
+			return $this->volatile[$name];
+		} else {
+			return NULL;
+		}			
+	}
+	
+
+	/**
+	 * Set a piece of volatile (non-persisted) data on this entity
+	 */
+	public function setVolatileData($name, $value) {
+		if (!is_array($this->volatile)) {
+			$this->volatile = array();
+		}
+		    
+		$this->volatile[$name] = $value;
+	}
+
+
 	/**
 	 * Remove all entities associated with this entity
 	 *