Examples of DcMapping

net.datacrow.core.objects.DcMapping
A mapping represents a many to many relationship. Mappings are stored in cross reference database tables. @author Robert Jan van der Waals

Examples of net.datacrow.core.objects.DcMapping

     * @param child The to be referenced item.
     * @param fieldIdx The field holding the reference.
     */
    @SuppressWarnings("unchecked")
    public static void addMapping(DcObject parent, DcObject child, int fieldIdx) {
        DcMapping mapping = (DcMapping) DcModules.get(DcModules.getMappingModIdx(parent.getModule().getIndex(), child.getModule().getIndex(), fieldIdx)).getItem();
        mapping.setValue(DcMapping._A_PARENT_ID, parent.getID());
        mapping.setValue(DcMapping._B_REFERENCED_ID, child.getID());
        mapping.setReference(child);
        
        Collection<DcMapping> mappings = (Collection<DcMapping>) parent.getValue(fieldIdx);
        mappings = mappings == null ? new ArrayList<DcMapping>() : mappings;
        
        // check if a mapping exists already

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Examples of net.datacrow.core.objects.DcMapping

     * Creates a new instance of a mapping item.
     * @see DcMapping
     */
    @Override
    public DcObject createItem() {
        DcMapping mapping = new DcMapping(getIndex());
        return mapping;
    }

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Examples of net.datacrow.core.objects.DcMapping

        setTitle(DcModules.get(mappingModule.getReferencedModIdx()).getObjectNamePlural());
        buildDialog();
        
        DcSimpleValue sv;
        DcObject reference;
        DcMapping mapping;
        Collection<DcSimpleValue> selected = new ArrayList<DcSimpleValue>();
        for (DcObject dco : current) {
            mapping = (DcMapping) dco;
            reference = mapping.getReferencedObject();
            if (reference != null) {
                sv = new DcSimpleValue(reference.getID(), 
                         String.valueOf(reference.getValue(reference.getSystemDisplayFieldIdx())), 
                         reference.getIcon());

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Examples of net.datacrow.core.objects.DcMapping

    }
    
    public Collection<DcObject> getDcObjects() {
        Collection<DcObject> items = new ArrayList<DcObject>();
        for (DcSimpleValue sv : getValues(tblSelectedItems)) {
            DcMapping mapping = (DcMapping) mappingModule.getItem();
            mapping.setValue(DcMapping._B_REFERENCED_ID, sv.getID());
            items.add(mapping);
        }
        return items;
    }

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