Examples with Instance com.haulmont.chile.core.model.Instance used on opensource projects

Example 11 with Instance

use of com.haulmont.chile.core.model.Instance in project cuba by cuba-platform.

the class WebLookupField method initNullEntity.

protected void initNullEntity() {
    // noinspection IncorrectCreateEntity
    nullEntity = new BaseUuidEntity() {

        @Override
        public String getInstanceName() {
            if (nullOption instanceof Instance) {
                return InstanceUtils.getInstanceName((Instance) nullOption);
            }
            if (nullOption == null) {
                return "";
            } else {
                return nullOption.toString();
            }
        }

        // Used for captionProperty of null entity
        @Override
        public <T> T getValue(String s) {
            return (T) getInstanceName();
        }
    };
    component.setNullSelectionItemId(nullEntity);
}

Example 12 with Instance

use of com.haulmont.chile.core.model.Instance in project cuba by cuba-platform.

the class EntityFetcher method fetch.

@SuppressWarnings("unchecked")
protected void fetch(Entity entity, View view, Map<Instance, Set<View>> visited, boolean optimizeForDetached) {
    Set<View> views = visited.get(entity);
    if (views == null) {
        views = new HashSet<>();
        visited.put(entity, views);
    } else if (views.contains(view)) {
        return;
    }
    views.add(view);
    if (log.isTraceEnabled())
        log.trace("Fetching instance " + entity);
    MetaClass metaClass = metadata.getClassNN(entity.getClass());
    for (ViewProperty property : view.getProperties()) {
        MetaProperty metaProperty = metaClass.getPropertyNN(property.getName());
        if (!metaProperty.getRange().isClass() && !metadata.getTools().isLazyFetchedLocalAttribute(metaProperty) || metadata.getTools().isNotPersistent(metaClass, metaProperty))
            continue;
        if (log.isTraceEnabled())
            log.trace("Fetching property " + property.getName());
        Object value = entity.getValue(property.getName());
        View propertyView = property.getView();
        if (value != null && propertyView != null) {
            if (value instanceof Collection) {
                for (Object item : new ArrayList(((Collection) value))) {
                    if (item instanceof Entity) {
                        Entity e = (Entity) item;
                        if (entityStates.isDetached(e)) {
                            fetchReloaded(e, propertyView, visited, optimizeForDetached, managed -> {
                                if (value instanceof List) {
                                    List list = (List) value;
                                    list.set(list.indexOf(e), managed);
                                } else {
                                    Collection collection = (Collection) value;
                                    collection.remove(e);
                                    collection.add(managed);
                                }
                            });
                        } else {
                            fetch((Entity) item, propertyView, visited, optimizeForDetached);
                        }
                    }
                }
            } else if (value instanceof Entity) {
                Entity e = (Entity) value;
                if (!metaProperty.isReadOnly() && entityStates.isDetached(e) && !(e instanceof EmbeddableEntity)) {
                    fetchReloaded(e, propertyView, visited, optimizeForDetached, managed -> {
                        entity.setValue(property.getName(), managed);
                    });
                } else {
                    fetch(e, propertyView, visited, optimizeForDetached);
                }
            }
        }
    }
}

Example 13 with Instance

use of com.haulmont.chile.core.model.Instance in project cuba by cuba-platform.

the class AppliedFilter method formatParamValue.

protected String formatParamValue(Param param) {
    Object value = param.getValue();
    if (value == null)
        return "";
    if (param.isDateInterval()) {
        DateIntervalValue dateIntervalValue = AppBeans.getPrototype(DateIntervalValue.NAME, (String) value);
        return dateIntervalValue.getLocalizedValue();
    }
    if (value instanceof Instance)
        return ((Instance) value).getInstanceName();
    if (value instanceof Enum)
        return messages.getMessage((Enum) value);
    if (value instanceof ArrayList) {
        ArrayList<String> names = new ArrayList<>();
        ArrayList list = ((ArrayList) value);
        for (Object obj : list) {
            if (obj instanceof Instance)
                names.add(((Instance) obj).getInstanceName());
            else {
                names.add(FilterConditionUtils.formatParamValue(param, obj));
            }
        }
        return names.toString();
    }
    return FilterConditionUtils.formatParamValue(param, value);
}

Example 14 with Instance

use of com.haulmont.chile.core.model.Instance in project cuba by cuba-platform.

the class DataContextImpl method mergeState.

protected void mergeState(Entity srcEntity, Entity dstEntity, Set<Entity> mergedSet, boolean isRoot, MergeOptions options) {
    EntityStates entityStates = getEntityStates();
    boolean srcNew = entityStates.isNew(srcEntity);
    boolean dstNew = entityStates.isNew(dstEntity);
    mergeSystemState(srcEntity, dstEntity, isRoot, options);
    MetaClass metaClass = getMetadata().getClassNN(srcEntity.getClass());
    MetaProperty primaryKeyProperty = getMetadataTools().getPrimaryKeyProperty(metaClass);
    for (MetaProperty property : metaClass.getProperties()) {
        String propertyName = property.getName();
        if (// local
        !property.getRange().isClass() && // not PK
        property != primaryKeyProperty && // loaded src
        (srcNew || entityStates.isLoaded(srcEntity, propertyName)) && (dstNew || entityStates.isLoaded(dstEntity, propertyName))) {
            // loaded dst
            Object value = srcEntity.getValue(propertyName);
            // ignore null values in non-root source entities
            if (!isRoot && !options.isFresh() && value == null) {
                continue;
            }
            setPropertyValue(dstEntity, property, value);
        }
    }
    for (MetaProperty property : metaClass.getProperties()) {
        String propertyName = property.getName();
        if (// refs and collections
        property.getRange().isClass() && // not PK
        property != primaryKeyProperty && // loaded src
        (srcNew || entityStates.isLoaded(srcEntity, propertyName)) && (dstNew || entityStates.isLoaded(dstEntity, propertyName))) {
            // loaded dst
            Object value = srcEntity.getValue(propertyName);
            // ignore null values in non-root source entities
            if (!isRoot && !options.isFresh() && value == null) {
                continue;
            }
            if (value == null) {
                setPropertyValue(dstEntity, property, null);
                continue;
            }
            if (value instanceof Collection) {
                if (value instanceof List) {
                    mergeList((List) value, dstEntity, property, isRoot, options, mergedSet);
                } else if (value instanceof Set) {
                    mergeSet((Set) value, dstEntity, property, isRoot, options, mergedSet);
                } else {
                    throw new UnsupportedOperationException("Unsupported collection type: " + value.getClass().getName());
                }
            } else {
                Entity srcRef = (Entity) value;
                if (!mergedSet.contains(srcRef)) {
                    Entity managedRef = internalMerge(srcRef, mergedSet, false, options);
                    setPropertyValue(dstEntity, property, managedRef, false);
                    if (getMetadataTools().isEmbedded(property)) {
                        EmbeddedPropertyChangeListener listener = new EmbeddedPropertyChangeListener(dstEntity);
                        managedRef.addPropertyChangeListener(listener);
                        embeddedPropertyListeners.computeIfAbsent(dstEntity, e -> new HashMap<>()).put(propertyName, listener);
                    }
                } else {
                    Entity managedRef = find(srcRef.getClass(), srcRef.getId());
                    if (managedRef != null) {
                        setPropertyValue(dstEntity, property, managedRef, false);
                    } else {
                        // should never happen
                        log.debug("Instance was merged but managed instance is null: {}", srcRef);
                    }
                }
            }
        }
    }
}

Example 15 with Instance

use of com.haulmont.chile.core.model.Instance in project cuba by cuba-platform.

the class ListEditorHelper method getValueCaption.

@Nullable
public static String getValueCaption(@Nullable Object v, ListEditor.ItemType itemType, @Nullable TimeZone timeZone) {
    if (v == null)
        return null;
    switch(itemType) {
        case ENTITY:
            if (v instanceof Instance)
                return ((Instance) v).getInstanceName();
            else
                return v.toString();
        case STRING:
            return (String) v;
        case DATE:
            return Datatypes.getNN(java.sql.Date.class).format(v);
        case DATETIME:
            UserSessionSource userSessionSource = AppBeans.get(UserSessionSource.NAME);
            UserSession userSession = userSessionSource.getUserSession();
            if (timeZone != null) {
                return ((TimeZoneAwareDatatype) Datatypes.getNN(Date.class)).format(v, userSession.getLocale(), timeZone);
            } else {
                return Datatypes.getNN(Date.class).format(v, userSession.getLocale());
            }
        case INTEGER:
            return Datatypes.getNN(Integer.class).format(v);
        case LONG:
            return Datatypes.getNN(Long.class).format(v);
        case BIGDECIMAL:
            return Datatypes.getNN(BigDecimal.class).format(v);
        case DOUBLE:
            return Datatypes.getNN(Double.class).format(v);
        case ENUM:
            return AppBeans.get(Messages.class).getMessage((Enum) v);
        case UUID:
            return Datatypes.getNN(java.util.UUID.class).format(v);
        default:
            throw new IllegalStateException("Unknown item type");
    }
}