SemanticMediaWiki/includes/datavalues/SMW_DV_Container.php

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<?php
abstract class SMWContainerValue extends SMWDataValue {

        protected function parseDBkeys( $args ) {
                $this->m_data->clear();
                if ( count( $args ) > 0 ) {
                        foreach ( reset( $args ) as $value ) {
                                if ( is_array( $value ) && ( count( $value ) == 2 ) ) {
                                        $this->m_data->addPropertyStubValue( reset( $value ), end( $value ) );
                                }
                        }
                }
        }

        public function getDBkeys() {
                $data = array();
                foreach ( $this->m_data->getProperties() as $property ) {
                        foreach ( $this->m_data->getPropertyValues( $property ) as $dv ) {
                                $data[] = array( $property->getDBkey(), $dv->getDBkeys() );
                        }
                }
                return array( $data );
        }

        public function getHash() {
                if ( $this->isValid() ) {
                        return $this->m_data->getHash();
                } else {
                        return implode( "\t", $this->getErrors() );
                }
        }

        // Methods for parsing, serialisation, and display are not defined in this abstract class:
                // public function getShortWikiText($linked = null);
                // public function getShortHTMLText($linker = null);
                // public function getLongWikiText($linked = null);
                // public function getLongHTMLText($linker = null);
                // protected function parseUserValue($value);
                // public function getWikiValue();

        public function getData() {
                return $this->m_data;
        }

}

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