everdreamsoft/sandra

Sandra Ontologic Datagraph

dev-master 2023-05-10 15:57 UTC

Requires

• ext-json: *

Requires (Dev)

• phpunit/phpunit: 8.*

MIT

README

Getting Started

Using composer

composer require evedreamsoft/sandra

To instantiate your datagraph

$sandra = new \SandraCore\System('myFirstDatagraph,
true,    'your_DB_HOST',
'your_DB_name',
'your_DB_username',
'your_db_password');

For example

$sandra = new \SandraCore\System('myFirstDatagraph,'true,'127.0.0.1','sandra','root','');

Writing data

Initialization

$sandra = new System('AnimalShelter',true);
$catFactory = new EntityFactory('cat','catFile',$sandra);

We create 3 cats

$felixEntity = $catFactory->createNew(['name' => 'Felix',
    'birthYear' => 2012]);

$smokeyEntity = $catFactory->createNew(['name' => 'Smokey',
    'birthYear' => 2015]);


$missyEntity = $catFactory->createNew(['name' => 'Missy',
    'birthYear' => 2015,
    'handicap' => 'blind'
    ]);

Each cat has name reference and birthYear the last cat Missy has additional "handicap" reference The resulting simplified datagraph will look like this

Reading data

 $catFactoryForRead = new EntityFactory('cat','AnimalFile',$sandra);
 
 //The factory is empty we need to load the 3 cats into memory
 
 $catFactoryForRead->populateLocal(1000); //we read a limit of 1000 cats
 $catEntityArray = $catFactoryForRead->getEntities();
 foreach ($catEntityArray as $cat){
    
     echo $cat->get('name')."\n";
    
 }

returns :

Felix

Smokey

Missy