	Source Code Coverage
	Designed for use with PHPUnit2, Xdebug and Phing.

Methods: 19

LOC: 396

Statements: 116

Source file

Statements

Methods

Total coverage

Entity.php

94.0%

100.0%

94.8%

<?php
/**
 * Xyster Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.opensource.org/licenses/bsd-license.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to xyster@devweblog.org so we can send you a copy immediately.
 *
 * @category  Xyster
 * @package   Xyster_Orm
 * @copyright Copyright (c) 2007 Irrational Logic (http://devweblog.org)
 * @license   http://www.opensource.org/licenses/bsd-license.php New BSD License
 * @version   $Id: Entity.php 114 2007-10-06 19:31:13Z doublecompile $
 */
/**
 * A data entity: the basic data unit of the ORM package
 *
 * @category  Xyster
 * @package   Xyster_Orm
 * @copyright Copyright (c) 2007 Irrational Logic (http://devweblog.org)
 * @license   http://www.opensource.org/licenses/bsd-license.php New BSD License
 */
class Xyster_Orm_Entity
{
    /**
     * The "base" values from object instantiation
     *
     * @var array
     */
    protected $_base = array();

    /**
     * For quick modification checking
     *
     * @var boolean
     */
    protected $_dirty = false;

    /**
     * Related entities or sets
     *
     * @var array
     */
    protected $_related = array();

    /**
     * The entity values
     *
     * @var array
     */
    protected $_values = array();

    /**
     * Entity meta-data (fields, relations, etc.)
     *
     * @var Xyster_Orm_Entity_Meta[]
     */
    static private $_meta = array();

    /**
     * Creates a new entity
     *
     * @param array $values Values for the entity
     */
    public function __construct( array $values = null )
    {
        if (! $this->_getMeta() instanceof Xyster_Orm_Entity_Meta ) {
            require_once 'Xyster/Orm/Entity/Exception.php';
            throw new Xyster_Orm_Entity_Exception('The metadata for ' . get_class($this) . 'has not been setup');
        }

        foreach( $this->_getMeta()->getFieldNames() as $name ) {
            $this->_values[$name] = null;
        }

        if ( $values ) {
            $this->import($values);
        }
    }

    /**
     * Adds an entity meta information object
     *
     * This shouldn't be called except by the Xyster_Orm_Mapper
     *
     * @param Xyster_Orm_Entity_Meta $meta
     */
    static public function setMeta( Xyster_Orm_Entity_Meta $meta )
    {
        self::$_meta[ $meta->getEntityName() ] = $meta;
    }

    /**
     * Overloader for getting/setting linked properties
     *
     * @param string $name  The method name
     * @param array $args  Any arguments used
     * @magic
     * @return mixed  The result of the method
     */
    public function __call( $name, array $args )
    {
        $action = strtolower(substr($name, 0, 3));
        $field = strtolower($name[3]) . substr($name, 4);
        if ( array_key_exists($field, $this->_values) ) {
            if ( $action == 'get' ) {
                return $this->_values[$field];
            } else if ( $action == 'set' ) {
                $this->_setField($field, $args[0]);
            }
        } else {
            if ( $action == 'get' ) {
                return $this->_getRelated($field);
            } else if ( $action == 'set' ) {
                $this->_setRelated($field, $args[0]);
            }
        }
    }

    /**
     * Overloader for getting fields
     *
     * @magic
     * @param string $name
     * @return mixed The value of the field
     * @throws Xyster_Orm_Entity_Exception if the field is invalid
     */
    public function __get( $name )
    {
        $isField = array_key_exists($name, $this->_values);
        if ( !$isField && !$this->_getMeta()->isRelation($name) ) {
            require_once 'Xyster/Orm/Entity/Exception.php';
            throw new Xyster_Orm_Entity_Exception("'" . $name . "' is not a valid field or relation name");
        }
        return ( $isField ) ? $this->_values[$name] : $this->_getRelated($name);
    }

    /**
     * Overloader for setting fields
     *
     * @magic
     * @param string $name The field name
     * @param mixed $value The field value
     * @throws Xyster_Orm_Entity_Exception if the field is invalid
     */
    public function __set( $name, $value )
    {
        $this->{'set'.ucfirst($name)}( $value );
    }

    /**
     * Gets the original values of the entity
     *
     * @return array
     */
    public function getBase()
    {
        return $this->_base;
    }

    /**
     * Gets the fields that have been changed since the entity was created
     *
     * @return array
     */
    public function getDirtyFields()
    {
        if ( !$this->_base ) {
            return $this->_values;
        }
        return array_diff_assoc($this->_values, $this->_base);
    }

    /**
     * Gets the primary key of the entity
     *
     * @param boolean $base True to return the original primary key (if changed)
     * @return mixed An array or scalar key value
     */
    public function getPrimaryKey( $base = false )
    {
        return array_intersect_key((!$base ? $this->_values : $this->_base),
            array_flip($this->_getMeta()->getPrimary()));
    }

    /**
     * Gets the primary key of the entity as a Xyster_Data_Criterion
     *
     * @param boolean $base True to return the original primary key (if changed)
     * @return Xyster_Data_Criterion The primary key
     */
    public function getPrimaryKeyAsCriterion( $base = false )
    {
        $key = $this->getPrimaryKey($base);

        // build a criterion object based on the primary key(s)
        $criteria = null;
        foreach( $key as $name => $value ) {
            require_once 'Xyster/Data/Expression.php';
            $thiskey = Xyster_Data_Expression::eq($name, $value);
            if ( !$criteria ) {
                $criteria = $thiskey;
            } else if ( $criteria instanceof Xyster_Data_Expression ) {
                require_once 'Xyster/Data/Junction.php';
                $criteria = Xyster_Data_Junction::all($criteria, $thiskey);
            } else if ( $criteria instanceof Xyster_Data_Junction ) {
                $criteria->add($thiskey);
            }
        }

        return $criteria;
    }

    /**
     * Imports the values in the array into the corresponding fields
     *
     * @param array $values
     */
    public function import( array $values )
    {
        foreach( array_keys($this->_values) as $field ) {
            $this->_values[$field] = array_key_exists($field, $values) ?
                $values[$field] : null;
        }
        $this->_base = $this->_values;
    }

    /**
     * Determines whether or not this entity has changed values since creation
     *
     * @return boolean Whether this entity has changed
     */
    public function isDirty()
    {
        return $this->_dirty;
    }

    /**
     * Checks whether a related entity or set has been loaded
     *
     * @param string $name The name of the relation
     * @return boolean true if the relation has been loaded
     * @throws Xyster_Orm_Exception if the relationship name is invalid
     */
    public function isLoaded( $name )
    {
        $this->_getMeta()->getRelation($name); // to test validity
	    return array_key_exists($name, $this->_related);
    }

    /**
     * Sets the entity as dirty or clean
     *
     * This is only used by the transactional layer or associated collections to
     * notify changes in an entity's state.  You shouldn't call this method
     * directly.
     *
     * @param boolean $dirty Whether the entity should be set dirty
     */
    public function setDirty( $dirty = true )
    {
        $this->_dirty = $dirty;
    }

    /**
     * Returns an array copy of the entity
     *
     * @return array The entity values
     */
    public function toArray()
    {
        return $this->_values;
    }

    /**
     * Returns a string value of this entity
     *
     * @magic
     * @return string
     */
    public function __toString()
    {
        $string = get_class($this) . ' [';
        $first = true;
        foreach( $this->_values as $name => $value ) {
            if ( !$first ) {
                $string .= ',';
            }
            $string .= $name . '=' . $value;
            $first = false;
        }
        return $string . ']';
    }

    /**
     * Gets a related property
     *
     * @param string $name  The name of the property
     * @return mixed  The related Xyster_Orm_Entity or Xyster_Orm_Set
     * @throws Xyster_Orm_Exception if the property name is invalid
     */
    protected function _getRelated( $name )
    {
        if ( !array_key_exists($name, $this->_related) ) {
            $this->_related[$name] = $this->_getMeta()->getRelation($name)->load($this);
        }
        return $this->_related[$name];
    }

    /**
     * The base method for setting fields
     *
     * If overriding this method, make sure to call the parent or else the
     * entity won't mark itself dirty.
     *
     * @param string $name
     * @param mixed $value
     */
    protected function _setField( $name, $value )
    {
        $this->_dirty = true;
        $this->_values[$name] = $value;
    }

    /**
     * Sets a linked property and registers the entity as dirty
     *
     * @param string $name  The name of the property
     * @param mixed $value The new property value
     * @throws Xyster_Orm_Exception if the property name is invalid
     * @throws Xyster_Orm_Exception if the value is incorrect for the property
     */
    protected function _setRelated( $name, $value )
    {
        $info = $this->_getMeta()->getRelation($name);
        $class = $info->getTo();

        if ( !$info->isCollection() ) {
            if ( $value !== null && ! $value instanceof $class ) {
                require_once 'Xyster/Orm/Exception.php';
                throw new Xyster_Orm_Exception("'" . $name . "' must be an instance of '" . $class . "'");
            }
        } else {
            $setClass = get_class($this->_getMeta()->getMapperFactory()->get($class)->getSet());
            if (! $value instanceof $setClass ) {
                require_once 'Xyster/Orm/Exception.php';
                throw new Xyster_Orm_Exception("'" . $name . "' must be an instance of '" . $setClass . "'");
            }
        }

        if ( $info->isCollection() ) {

            $value->relateTo($info, $this);

        } else if ( $value === null ) {

            $fkeyNames = $info->getId();
            foreach( $fkeyNames as $fkeyName ) {
                $this->{'set'.ucfirst($fkeyName)}(null);
            }

        } else if ( $value->getPrimaryKey() ) {

            $fkeyNames = $info->getId();
            $key = $value->getPrimaryKey();
            $keyNames = array_keys($key);
            for( $i=0; $i<count($key); $i++ ) {
                $keyValue = $key[ $keyNames[$i] ];
                $fkeyName = $fkeyNames[$i];
                $this->{'set'.ucfirst($fkeyName)}($keyValue);
            }

        }

        $this->_related[$name] = $value;
        $this->_dirty = true;
    }

    /**
     * Gets the entity meta
     *
     * @return Xyster_Orm_Entity_Meta
     */
    protected function _getMeta()
    {
        $class = get_class($this);
        return array_key_exists($class, self::$_meta) ?
            self::$_meta[$class] : null;
    }
}

Report generated at 2007-10-08T19:32:23-05:00

1		<?php
2		/**
3		* Xyster Framework
4		*
5		* LICENSE
6		*
7		* This source file is subject to the new BSD license that is bundled
8		* with this package in the file LICENSE.txt.
9		* It is also available through the world-wide-web at this URL:
10		* http://www.opensource.org/licenses/bsd-license.php
11		* If you did not receive a copy of the license and are unable to
12		* obtain it through the world-wide-web, please send an email
13		* to xyster@devweblog.org so we can send you a copy immediately.
14		*
15		* @category Xyster
16		* @package Xyster_Orm
17		* @copyright Copyright (c) 2007 Irrational Logic (http://devweblog.org)
18		* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
19		* @version $Id: Entity.php 114 2007-10-06 19:31:13Z doublecompile $
20		*/
21		/**
22		* A data entity: the basic data unit of the ORM package
23		*
24		* @category Xyster
25		* @package Xyster_Orm
26		* @copyright Copyright (c) 2007 Irrational Logic (http://devweblog.org)
27		* @license http://www.opensource.org/licenses/bsd-license.php New BSD License
28		*/
29		class Xyster_Orm_Entity
30		{
31		/**
32		* The "base" values from object instantiation
33		*
34		* @var array
35		*/
36		protected $_base = array();
37
38		/**
39		* For quick modification checking
40		*
41		* @var boolean
42		*/
43		protected $_dirty = false;
44
45		/**
46		* Related entities or sets
47		*
48		* @var array
49		*/
50		protected $_related = array();
51
52		/**
53		* The entity values
54		*
55		* @var array
56		*/
57		protected $_values = array();
58
59		/**
60		* Entity meta-data (fields, relations, etc.)
61		*
62		* @var Xyster_Orm_Entity_Meta[]
63		*/
64		static private $_meta = array();
65
66		/**
67		* Creates a new entity
68		*
69		* @param array $values Values for the entity
70		*/
71		public function __construct( array $values = null )
72		{
73	104	if (! $this->_getMeta() instanceof Xyster_Orm_Entity_Meta ) {
74	0	require_once 'Xyster/Orm/Entity/Exception.php';
75	0	throw new Xyster_Orm_Entity_Exception('The metadata for ' . get_class($this) . 'has not been setup');
76	0	}
77
78	104	foreach( $this->_getMeta()->getFieldNames() as $name ) {
79	104	$this->_values[$name] = null;
80	104	}
81
82	104	if ( $values ) {
83	89	$this->import($values);
84	89	}
85		}
86
87		/**
88		* Adds an entity meta information object
89		*
90		* This shouldn't be called except by the Xyster_Orm_Mapper
91		*
92		* @param Xyster_Orm_Entity_Meta $meta
93		*/
94		static public function setMeta( Xyster_Orm_Entity_Meta $meta )
95		{
96	214	self::$_meta[ $meta->getEntityName() ] = $meta;
97		}
98
99		/**
100		* Overloader for getting/setting linked properties
101		*
102		* @param string $name The method name
103		* @param array $args Any arguments used
104		* @magic
105		* @return mixed The result of the method
106		*/
107		public function __call( $name, array $args )
108		{
109	34	$action = strtolower(substr($name, 0, 3));
110	34	$field = strtolower($name[3]) . substr($name, 4);
111	34	if ( array_key_exists($field, $this->_values) ) {
112	31	if ( $action == 'get' ) {
113	1	return $this->_values[$field];
114	30	} else if ( $action == 'set' ) {
115	30	$this->_setField($field, $args[0]);
116	30	}
117	30	} else {
118	15	if ( $action == 'get' ) {
119	1	return $this->_getRelated($field);
120	14	} else if ( $action == 'set' ) {
121	14	$this->_setRelated($field, $args[0]);
122	12	}
123		}
124		}
125
126		/**
127		* Overloader for getting fields
128		*
129		* @magic
130		* @param string $name
131		* @return mixed The value of the field
132		* @throws Xyster_Orm_Entity_Exception if the field is invalid
133		*/
134		public function __get( $name )
135		{
136	55	$isField = array_key_exists($name, $this->_values);
137	55	if ( !$isField && !$this->_getMeta()->isRelation($name) ) {
138	1	require_once 'Xyster/Orm/Entity/Exception.php';
139	1	throw new Xyster_Orm_Entity_Exception("'" . $name . "' is not a valid field or relation name");
140	0	}
141	54	return ( $isField ) ? $this->_values[$name] : $this->_getRelated($name);
142		}
143
144		/**
145		* Overloader for setting fields
146		*
147		* @magic
148		* @param string $name The field name
149		* @param mixed $value The field value
150		* @throws Xyster_Orm_Entity_Exception if the field is invalid
151		*/
152		public function __set( $name, $value )
153		{
154	32	$this->{'set'.ucfirst($name)}( $value );
155		}
156
157		/**
158		* Gets the original values of the entity
159		*
160		* @return array
161		*/
162		public function getBase()
163		{
164	16	return $this->_base;
165		}
166
167		/**
168		* Gets the fields that have been changed since the entity was created
169		*
170		* @return array
171		*/
172		public function getDirtyFields()
173		{
174	7	if ( !$this->_base ) {
175	1	return $this->_values;
176	0	}
177	6	return array_diff_assoc($this->_values, $this->_base);
178		}
179
180		/**
181		* Gets the primary key of the entity
182		*
183		* @param boolean $base True to return the original primary key (if changed)
184		* @return mixed An array or scalar key value
185		*/
186		public function getPrimaryKey( $base = false )
187		{
188	76	return array_intersect_key((!$base ? $this->_values : $this->_base),
189	76	array_flip($this->_getMeta()->getPrimary()));
190		}
191
192		/**
193		* Gets the primary key of the entity as a Xyster_Data_Criterion
194		*
195		* @param boolean $base True to return the original primary key (if changed)
196		* @return Xyster_Data_Criterion The primary key
197		*/
198		public function getPrimaryKeyAsCriterion( $base = false )
199		{
200	18	$key = $this->getPrimaryKey($base);
201
202		// build a criterion object based on the primary key(s)
203	18	$criteria = null;
204	18	foreach( $key as $name => $value ) {
205	18	require_once 'Xyster/Data/Expression.php';
206	18	$thiskey = Xyster_Data_Expression::eq($name, $value);
207	18	if ( !$criteria ) {
208	18	$criteria = $thiskey;
209	18	} else if ( $criteria instanceof Xyster_Data_Expression ) {
210	4	require_once 'Xyster/Data/Junction.php';
211	4	$criteria = Xyster_Data_Junction::all($criteria, $thiskey);
212	4	} else if ( $criteria instanceof Xyster_Data_Junction ) {
213	3	$criteria->add($thiskey);
214	3	}
215	18	}
216
217	18	return $criteria;
218		}
219
220		/**
221		* Imports the values in the array into the corresponding fields
222		*
223		* @param array $values
224		*/
225		public function import( array $values )
226		{
227	90	foreach( array_keys($this->_values) as $field ) {
228	90	$this->_values[$field] = array_key_exists($field, $values) ?
229	90	$values[$field] : null;
230	90	}
231	90	$this->_base = $this->_values;
232		}
233
234		/**
235		* Determines whether or not this entity has changed values since creation
236		*
237		* @return boolean Whether this entity has changed
238		*/
239		public function isDirty()
240		{
241	10	return $this->_dirty;
242		}
243
244		/**
245		* Checks whether a related entity or set has been loaded
246		*
247		* @param string $name The name of the relation
248		* @return boolean true if the relation has been loaded
249		* @throws Xyster_Orm_Exception if the relationship name is invalid
250		*/
251		public function isLoaded( $name )
252		{
253	11	$this->_getMeta()->getRelation($name); // to test validity
254	11	return array_key_exists($name, $this->_related);
255		}
256
257		/**
258		* Sets the entity as dirty or clean
259		*
260		* This is only used by the transactional layer or associated collections to
261		* notify changes in an entity's state. You shouldn't call this method
262		* directly.
263		*
264		* @param boolean $dirty Whether the entity should be set dirty
265		*/
266		public function setDirty( $dirty = true )
267		{
268	13	$this->_dirty = $dirty;
269		}
270
271		/**
272		* Returns an array copy of the entity
273		*
274		* @return array The entity values
275		*/
276		public function toArray()
277		{
278	12	return $this->_values;
279		}
280
281		/**
282		* Returns a string value of this entity
283		*
284		* @magic
285		* @return string
286		*/
287		public function __toString()
288		{
289	7	$string = get_class($this) . ' [';
290	7	$first = true;
291	7	foreach( $this->_values as $name => $value ) {
292	7	if ( !$first ) {
293	7	$string .= ',';
294	7	}
295	7	$string .= $name . '=' . $value;
296	7	$first = false;
297	7	}
298	7	return $string . ']';
299		}
300
301		/**
302		* Gets a related property
303		*
304		* @param string $name The name of the property
305		* @return mixed The related Xyster_Orm_Entity or Xyster_Orm_Set
306		* @throws Xyster_Orm_Exception if the property name is invalid
307		*/
308		protected function _getRelated( $name )
309		{
310	16	if ( !array_key_exists($name, $this->_related) ) {
311	12	$this->_related[$name] = $this->_getMeta()->getRelation($name)->load($this);
312	12	}
313	16	return $this->_related[$name];
314		}
315
316		/**
317		* The base method for setting fields
318		*
319		* If overriding this method, make sure to call the parent or else the
320		* entity won't mark itself dirty.
321		*
322		* @param string $name
323		* @param mixed $value
324		*/
325		protected function _setField( $name, $value )
326		{
327	30	$this->_dirty = true;
328	30	$this->_values[$name] = $value;
329		}
330
331		/**
332		* Sets a linked property and registers the entity as dirty
333		*
334		* @param string $name The name of the property
335		* @param mixed $value The new property value
336		* @throws Xyster_Orm_Exception if the property name is invalid
337		* @throws Xyster_Orm_Exception if the value is incorrect for the property
338		*/
339		protected function _setRelated( $name, $value )
340		{
341	14	$info = $this->_getMeta()->getRelation($name);
342	14	$class = $info->getTo();
343
344	14	if ( !$info->isCollection() ) {
345	13	if ( $value !== null && ! $value instanceof $class ) {
346	1	require_once 'Xyster/Orm/Exception.php';
347	1	throw new Xyster_Orm_Exception("'" . $name . "' must be an instance of '" . $class . "'");
348	0	}
349	12	} else {
350	2	$setClass = get_class($this->_getMeta()->getMapperFactory()->get($class)->getSet());
351	2	if (! $value instanceof $setClass ) {
352	1	require_once 'Xyster/Orm/Exception.php';
353	1	throw new Xyster_Orm_Exception("'" . $name . "' must be an instance of '" . $setClass . "'");
354	0	}
355		}
356
357	12	if ( $info->isCollection() ) {
358
359	1	$value->relateTo($info, $this);
360
361	12	} else if ( $value === null ) {
362
363	2	$fkeyNames = $info->getId();
364	2	foreach( $fkeyNames as $fkeyName ) {
365	2	$this->{'set'.ucfirst($fkeyName)}(null);
366	2	}
367
368	12	} else if ( $value->getPrimaryKey() ) {
369
370	11	$fkeyNames = $info->getId();
371	11	$key = $value->getPrimaryKey();
372	11	$keyNames = array_keys($key);
373	11	for( $i=0; $i<count($key); $i++ ) {
374	11	$keyValue = $key[ $keyNames[$i] ];
375	11	$fkeyName = $fkeyNames[$i];
376	11	$this->{'set'.ucfirst($fkeyName)}($keyValue);
377	11	}
378
379	11	}
380
381	12	$this->_related[$name] = $value;
382	12	$this->_dirty = true;
383		}
384
385		/**
386		* Gets the entity meta
387		*
388		* @return Xyster_Orm_Entity_Meta
389		*/
390		protected function _getMeta()
391		{
392	106	$class = get_class($this);
393	106	return array_key_exists($class, self::$_meta) ?
394	106	self::$_meta[$class] : null;
395		}
396		}

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