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/*
 * Copyright 2008-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.broadleafcommerce.openadmin.server.service.persistence.module;

import com.anasoft.os.daofusion.criteria.AssociationPath;
import com.anasoft.os.daofusion.criteria.AssociationPathElement;
import com.anasoft.os.daofusion.criteria.FilterCriterion;
import com.anasoft.os.daofusion.criteria.NestedPropertyCriteria;
import com.anasoft.os.daofusion.criteria.PersistentEntityCriteria;
import com.anasoft.os.daofusion.criteria.SimpleFilterCriterionProvider;
import com.anasoft.os.daofusion.cto.client.CriteriaTransferObject;
import com.anasoft.os.daofusion.cto.server.CriteriaTransferObjectCountWrapper;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.broadleafcommerce.common.exception.ServiceException;
import org.broadleafcommerce.common.money.Money;
import org.broadleafcommerce.common.persistence.Status;
import org.broadleafcommerce.common.presentation.client.ForeignKeyRestrictionType;
import org.broadleafcommerce.common.presentation.client.OperationType;
import org.broadleafcommerce.common.presentation.client.PersistencePerspectiveItemType;
import org.broadleafcommerce.common.presentation.client.SupportedFieldType;
import org.broadleafcommerce.common.presentation.client.VisibilityEnum;
import org.broadleafcommerce.openadmin.client.dto.BasicFieldMetadata;
import org.broadleafcommerce.openadmin.client.dto.DynamicResultSet;
import org.broadleafcommerce.openadmin.client.dto.Entity;
import org.broadleafcommerce.openadmin.client.dto.FieldMetadata;
import org.broadleafcommerce.openadmin.client.dto.ForeignKey;
import org.broadleafcommerce.openadmin.client.dto.MergedPropertyType;
import org.broadleafcommerce.openadmin.client.dto.PersistencePackage;
import org.broadleafcommerce.openadmin.client.dto.PersistencePerspective;
import org.broadleafcommerce.openadmin.client.dto.Property;
import org.broadleafcommerce.openadmin.server.cto.BaseCtoConverter;
import org.broadleafcommerce.openadmin.server.service.persistence.PersistenceManager;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Restrictions;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
import org.w3c.dom.DOMException;

import javax.persistence.Embedded;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactoryConfigurationError;
import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.sql.Timestamp;
import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Collection;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.StringTokenizer;

/**
 * @author jfischer
 */
@Component("blBasicPersistenceModule")
@Scope("prototype")
public class BasicPersistenceModule implements PersistenceModule, RecordHelper, ApplicationContextAware {
    
    private static final Log LOG = LogFactory.getLog(BasicPersistenceModule.class);

    protected SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss Z");
    protected DecimalFormat decimalFormat;
    protected ApplicationContext applicationContext;
    protected PersistenceManager persistenceManager;

    public BasicPersistenceModule() {
        decimalFormat = (DecimalFormat) NumberFormat.getInstance(Locale.US);
        decimalFormat.applyPattern("0.########");
    }

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.applicationContext = applicationContext;
    }

    public boolean isCompatible(OperationType operationType) {
        return OperationType.BASIC == operationType || OperationType.NONDESTRUCTIVEREMOVE == operationType;
    }

    public FieldManager getFieldManager() {
        return persistenceManager.getDynamicEntityDao().getFieldManager();
    }
    
    protected Date parseDate(String value) throws ParseException {
        return dateFormat.parse(value);
    }

    protected Map filterOutCollectionMetadata(Map metadata) {
        if (metadata == null) {
            return null;
        }
        Map newMap = new HashMap();
        for (Map.Entry entry : metadata.entrySet()) {
            if (entry.getValue() instanceof BasicFieldMetadata) {
                newMap.put(entry.getKey(), entry.getValue());
            }
        }

        return newMap;
    }

    public Serializable createPopulatedInstance(Serializable instance, Entity entity, Map unfilteredProperties, Boolean setId) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException, ParseException, NumberFormatException, InstantiationException, ClassNotFoundException {
        Map mergedProperties = filterOutCollectionMetadata(unfilteredProperties);
        FieldManager fieldManager = getFieldManager();
        for (Property property : entity.getProperties()) {
            Field field = fieldManager.getField(instance.getClass(), property.getName());
            if (field == null) {
                LOG.debug("Unable to find a bean property for the reported property: " + property.getName() + ". Ignoring property.");
                continue;
            }
            Class returnType = field.getType();
            String value = property.getValue();
            BasicFieldMetadata metadata = (BasicFieldMetadata) mergedProperties.get(property.getName());
            if (metadata != null) {
                Boolean mutable = metadata.getMutable();
                Boolean readOnly = metadata.getReadOnly();
                if ((mutable == null || mutable) && (readOnly == null || !readOnly)) {
                    if (value != null) {
                        switch (metadata.getFieldType()) {
                            case BOOLEAN:
                                if (Character.class.isAssignableFrom(returnType)) {
                                    fieldManager.setFieldValue(instance, property.getName(), Boolean.valueOf(value) ? 'Y' : 'N');
                                } else {
                                    fieldManager.setFieldValue(instance, property.getName(), Boolean.valueOf(value));
                                }
                                break;
                            case DATE:
                                fieldManager.setFieldValue(instance, property.getName(), parseDate(value));
                                break;
                            case DECIMAL:
                                if (BigDecimal.class.isAssignableFrom(returnType)) {
                                    fieldManager.setFieldValue(instance, property.getName(), new BigDecimal(new Double(value)));
                                } else {
                                    fieldManager.setFieldValue(instance, property.getName(), new Double(value));
                                }
                                break;
                            case MONEY:
                                if (BigDecimal.class.isAssignableFrom(returnType)) {
                                    fieldManager.setFieldValue(instance, property.getName(), new BigDecimal(new Double(value)));
                                } else if (Double.class.isAssignableFrom(returnType)) {
                                    fieldManager.setFieldValue(instance, property.getName(), new Double(value));
                                } else {
                                    fieldManager.setFieldValue(instance, property.getName(), new Money(new Double(value)));
                                }
                                break;
                            case INTEGER:
                                if (int.class.isAssignableFrom(returnType) || Integer.class.isAssignableFrom(returnType)) {
                                    fieldManager.setFieldValue(instance, property.getName(), Integer.valueOf(value));
                                } else if (byte.class.isAssignableFrom(returnType) || Byte.class.isAssignableFrom(returnType)) {
                                    fieldManager.setFieldValue(instance, property.getName(), Byte.valueOf(value));
                                } else if (short.class.isAssignableFrom(returnType) || Short.class.isAssignableFrom(returnType)) {
                                    fieldManager.setFieldValue(instance, property.getName(), Short.valueOf(value));
                                } else if (long.class.isAssignableFrom(returnType) || Long.class.isAssignableFrom(returnType)) {
                                    fieldManager.setFieldValue(instance, property.getName(), Long.valueOf(value));
                                }
                                break;
                            default:
                                fieldManager.setFieldValue(instance, property.getName(), value);
                                break;
                            case EMAIL:
                                fieldManager.setFieldValue(instance, property.getName(), value);
                                break;
                            case FOREIGN_KEY: {
                                Serializable foreignInstance;
                                if (StringUtils.isEmpty(value)) {
                                    foreignInstance = null;
                                } else {
                                    if (SupportedFieldType.INTEGER.toString().equals(metadata.getSecondaryType().toString())) {
                                        foreignInstance = persistenceManager.getDynamicEntityDao().retrieve(Class.forName(metadata.getForeignKeyClass()), Long.valueOf(value));
                                    } else {
                                        foreignInstance = persistenceManager.getDynamicEntityDao().retrieve(Class.forName(metadata.getForeignKeyClass()), value);
                                    }
                                }

                                if (Collection.class.isAssignableFrom(returnType)) {
                                    Collection collection;
                                    try {
                                        collection = (Collection) fieldManager.getFieldValue(instance, property.getName());
                                    } catch (FieldNotAvailableException e) {
                                        throw new IllegalArgumentException(e);
                                    }
                                    if (!collection.contains(foreignInstance)) {
                                        collection.add(foreignInstance);
                                    }
                                } else if (Map.class.isAssignableFrom(returnType)) {
                                    throw new RuntimeException("Map structures are not supported for foreign key fields.");
                                } else {
                                    fieldManager.setFieldValue(instance, property.getName(), foreignInstance);
                                }
                                break;
                            }
                            case ADDITIONAL_FOREIGN_KEY: {
                                Serializable foreignInstance;
                                if (StringUtils.isEmpty(value)) {
                                    foreignInstance = null;
                                } else {
                                    if (SupportedFieldType.INTEGER.toString().equals(metadata.getSecondaryType().toString())) {
                                        foreignInstance = persistenceManager.getDynamicEntityDao().retrieve(Class.forName(metadata.getForeignKeyClass()), Long.valueOf(value));
                                    } else {
                                        foreignInstance = persistenceManager.getDynamicEntityDao().retrieve(Class.forName(metadata.getForeignKeyClass()), value);
                                    }
                                }

                                if (Collection.class.isAssignableFrom(returnType)) {
                                    Collection collection = null;
                                    try {
                                        collection = (Collection) fieldManager.getFieldValue(instance, property.getName());
                                    } catch (FieldNotAvailableException e) {
                                        throw new IllegalArgumentException(e);
                                    }
                                    if (!collection.contains(foreignInstance)) {
                                        collection.add(foreignInstance);
                                    }
                                } else if (Map.class.isAssignableFrom(returnType)) {
                                    throw new RuntimeException("Map structures are not supported for foreign key fields.");
                                } else {
                                    fieldManager.setFieldValue(instance, property.getName(), foreignInstance);
                                }
                                break;
                            }
                            case ID:
                                if (setId) {
                                    switch (metadata.getSecondaryType()) {
                                        case INTEGER:
                                            fieldManager.setFieldValue(instance, property.getName(), Long.valueOf(value));
                                            break;
                                        case STRING:
                                            fieldManager.setFieldValue(instance, property.getName(), value);
                                            break;
                                    }
                                }
                                break;
                        }
                    } else {
                        try {
                            if (fieldManager.getFieldValue(instance, property.getName()) != null && (metadata.getFieldType() != SupportedFieldType.ID || setId)) {
                                fieldManager.setFieldValue(instance, property.getName(), null);
                            }
                        } catch (FieldNotAvailableException e) {
                            throw new IllegalArgumentException(e);
                        }
                    }
                }
            }
        }
        fieldManager.persistMiddleEntities();
        return instance;
    }

    public Entity getRecord(Map primaryMergedProperties, Serializable record, Map alternateMergedProperties, String pathToTargetObject) throws ParserConfigurationException, DOMException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, TransformerFactoryConfigurationError, IllegalArgumentException, TransformerException, SecurityException, ClassNotFoundException {
        List records = new ArrayList(1);
        records.add(record);
        Entity[] productEntities = getRecords(primaryMergedProperties, records, alternateMergedProperties, pathToTargetObject);
        return productEntities[0];
    }

    public Entity getRecord(Class ceilingEntityClass, PersistencePerspective persistencePerspective, Serializable record) throws SecurityException, IllegalArgumentException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, DOMException, ParserConfigurationException, TransformerFactoryConfigurationError, TransformerException, NoSuchFieldException {
        Map mergedProperties = getSimpleMergedProperties(ceilingEntityClass.getName(), persistencePerspective);
        return getRecord(mergedProperties, record, null, null);
    }

    public Entity[] getRecords(Class ceilingEntityClass, PersistencePerspective persistencePerspective, List records) throws SecurityException, IllegalArgumentException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, DOMException, ParserConfigurationException, TransformerFactoryConfigurationError, TransformerException, NoSuchFieldException {
        Map mergedProperties = getSimpleMergedProperties(ceilingEntityClass.getName(), persistencePerspective);
        return getRecords(mergedProperties, records, null, null);
    }

    public Map getSimpleMergedProperties(String entityName, PersistencePerspective persistencePerspective) throws ClassNotFoundException, SecurityException, IllegalArgumentException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, NoSuchFieldException {
        return persistenceManager.getDynamicEntityDao().getSimpleMergedProperties(entityName, persistencePerspective);
    }

    public Entity[] getRecords(Map primaryMergedProperties, List records) throws ParserConfigurationException, DOMException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, TransformerFactoryConfigurationError, IllegalArgumentException, TransformerException, SecurityException, ClassNotFoundException {
        return getRecords(primaryMergedProperties, records, null, null);
    }

    public Entity[] getRecords(Map primaryUnfilteredMergedProperties, List records, Map alternateUnfilteredMergedProperties, String pathToTargetObject) throws ParserConfigurationException, DOMException, IllegalAccessException, InvocationTargetException, NoSuchMethodException, TransformerFactoryConfigurationError, IllegalArgumentException, TransformerException, SecurityException, ClassNotFoundException {
        Map primaryMergedProperties = filterOutCollectionMetadata(primaryUnfilteredMergedProperties);
        Map alternateMergedProperties = filterOutCollectionMetadata(alternateUnfilteredMergedProperties);
        Entity[] entities = new Entity[records.size()];
        int j = 0;
        for (Serializable recordEntity : records) {
            Serializable entity;
            if (pathToTargetObject != null) {
                try {
                    entity = (Serializable) getFieldManager().getFieldValue(recordEntity, pathToTargetObject);
                } catch (FieldNotAvailableException e) {
                    throw new IllegalArgumentException(e);
                }
            } else {
                entity = recordEntity;
            }
            Entity entityItem = new Entity();
            entityItem.setType(new String[]{entity.getClass().getName()});
            entities[j] = entityItem;

            List props = new ArrayList(primaryMergedProperties.size());
            extractPropertiesFromPersistentEntity(primaryMergedProperties, entity, props);
            if (alternateMergedProperties != null) {
                extractPropertiesFromPersistentEntity(alternateMergedProperties, recordEntity, props);
            }
            Property[] properties = new Property[props.size()];
            properties = props.toArray(properties);
            entityItem.setProperties(properties);
            j++;
        }

        return entities;
    }

    protected void extractPropertiesFromPersistentEntity(Map mergedProperties, Serializable entity, List props) throws IllegalAccessException, InvocationTargetException, NoSuchMethodException, SecurityException, IllegalArgumentException, ClassNotFoundException {
        FieldManager fieldManager = getFieldManager();
        for (Map.Entry entry : mergedProperties.entrySet()) {
            String property = entry.getKey();
            BasicFieldMetadata metadata = (BasicFieldMetadata) entry.getValue();
            if (Class.forName(metadata.getInheritedFromType()).isAssignableFrom(entity.getClass()) || entity.getClass().isAssignableFrom(Class.forName(metadata.getInheritedFromType()))) {
                boolean proceed = true;
                if (property.contains(".")) {
                    StringTokenizer tokens = new StringTokenizer(property, ".");
                    Object testObject = entity;
                    while (tokens.hasMoreTokens()) {
                        String token = tokens.nextToken();
                        if (tokens.hasMoreTokens()) {
                            try {
                                testObject = fieldManager.getFieldValue(testObject, token);
                            } catch (FieldNotAvailableException e) {
                                proceed = false;
                                break;
                            }
                            if (testObject == null) {
                                Property propertyItem = new Property();
                                propertyItem.setName(property);
                                if (props.contains(propertyItem)) {
                                    proceed = false;
                                    break;
                                }
                                propertyItem.setValue(null);
                                props.add(propertyItem);
                                proceed = false;
                                break;
                            }
                        }
                    }
                }
                if (!proceed) {
                    continue;
                }

                boolean isFieldAccessible = true;
                Object value = null;
                try {
                    value = fieldManager.getFieldValue(entity, property);
                } catch (FieldNotAvailableException e) {
                    isFieldAccessible = false;
                }
                String strVal;
                checkField:
                {
                    if (isFieldAccessible) {
                        Property propertyItem = new Property();
                        propertyItem.setName(property);
                        if (props.contains(propertyItem)) {
                            continue;
                        }
                        props.add(propertyItem);
                        String displayVal = null;
                        if (value != null) {
                            if (metadata.getForeignKeyCollection()) {
                                ((BasicFieldMetadata) propertyItem.getMetadata()).setFieldType(metadata.getFieldType());
                                strVal = null;
                            } else if (Date.class.isAssignableFrom(value.getClass())) {
                                strVal = dateFormat.format((Date) value);
                            } else if (Timestamp.class.isAssignableFrom(value.getClass())) {
                                strVal = dateFormat.format(new Date(((Timestamp) value).getTime()));
                            } else if (Calendar.class.isAssignableFrom(value.getClass())) {
                                strVal = dateFormat.format(((Calendar) value).getTime());
                            } else if (Double.class.isAssignableFrom(value.getClass())) {
                                strVal = decimalFormat.format(value);
                            } else if (BigDecimal.class.isAssignableFrom(value.getClass())) {
                                strVal = decimalFormat.format(((BigDecimal) value).doubleValue());
                            } else if (metadata.getForeignKeyClass() != null) {
                                try {
                                    strVal = fieldManager.getFieldValue(value, metadata.getForeignKeyProperty()).toString();
                                    //see if there's a name property and use it for the display value
                                    Object temp = null;
                                    try {
                                        temp = fieldManager.getFieldValue(value, metadata.getForeignKeyDisplayValueProperty());
                                    } catch (FieldNotAvailableException e) {
                                        //do nothing
                                    }
                                    if (temp != null) {
                                        displayVal = temp.toString();
                                    }
                                } catch (FieldNotAvailableException e) {
                                    throw new IllegalArgumentException(e);
                                }
                            } else {
                                strVal = value.toString();
                            }
                            propertyItem.setValue(strVal);
                            propertyItem.setDisplayValue(displayVal);
                            break checkField;
                        }
                    }
                    //try a direct property acquisition via reflection
                    try {
                        Method method;
                        try {
                            //try a 'get' prefixed mutator first
                            String temp = "get" + property.substring(0, 1).toUpperCase() + property.substring(1, property.length());
                            method = entity.getClass().getMethod(temp, new Class[]{});
                        } catch (NoSuchMethodException e) {
                            method = entity.getClass().getMethod(property, new Class[]{});
                        }
                        value = method.invoke(entity, new String[]{});
                        Property propertyItem = new Property();
                        propertyItem.setName(property);
                        if (props.contains(propertyItem)) {
                            continue;
                        }
                        props.add(propertyItem);
                        if (value == null) {
                            strVal = null;
                        } else {
                            if (Date.class.isAssignableFrom(value.getClass())) {
                                strVal = dateFormat.format((Date) value);
                            } else if (Timestamp.class.isAssignableFrom(value.getClass())) {
                                strVal = dateFormat.format(new Date(((Timestamp) value).getTime()));
                            } else if (Calendar.class.isAssignableFrom(value.getClass())) {
                                strVal = dateFormat.format(((Calendar) value).getTime());
                            } else if (Double.class.isAssignableFrom(value.getClass())) {
                                strVal = decimalFormat.format(value);
                            } else if (BigDecimal.class.isAssignableFrom(value.getClass())) {
                                strVal = decimalFormat.format(((BigDecimal) value).doubleValue());
                            } else {
                                strVal = value.toString();
                            }
                        }
                        propertyItem.setValue(strVal);
                    } catch (NoSuchMethodException e) {
                        LOG.debug("Unable to find a specified property in the entity: " + property);
                        //do nothing - this property is simply not in the bean
                    }
                }
            }
        }
    }

    protected Entity update(PersistencePackage persistencePackage, Object primaryKey) throws ServiceException {
        try {
            Entity entity = persistencePackage.getEntity();
            PersistencePerspective persistencePerspective = persistencePackage.getPersistencePerspective();
            Class[] entities = persistenceManager.getPolymorphicEntities(persistencePackage.getCeilingEntityFullyQualifiedClassname());
            Map mergedProperties = persistenceManager.getDynamicEntityDao().getMergedProperties(
                persistencePackage.getCeilingEntityFullyQualifiedClassname(),
                entities,
                (ForeignKey) persistencePerspective.getPersistencePerspectiveItems().get(PersistencePerspectiveItemType.FOREIGNKEY),
                persistencePerspective.getAdditionalNonPersistentProperties(),
                persistencePerspective.getAdditionalForeignKeys(),
                MergedPropertyType.PRIMARY,
                persistencePerspective.getPopulateToOneFields(),
                persistencePerspective.getIncludeFields(),
                persistencePerspective.getExcludeFields(),
                persistencePerspective.getConfigurationKey(),
                ""
            );
            if (primaryKey == null) {
                primaryKey = getPrimaryKey(entity, mergedProperties);
            }
            Serializable instance = persistenceManager.getDynamicEntityDao().retrieve(Class.forName(entity.getType()[0]), primaryKey);
            instance = createPopulatedInstance(instance, entity, mergedProperties, false);
            instance = persistenceManager.getDynamicEntityDao().merge(instance);

            List entityList = new ArrayList(1);
            entityList.add(instance);

            return getRecords(mergedProperties, entityList, null, null)[0];
        } catch (Exception e) {
            LOG.error("Problem editing entity", e);
            throw new ServiceException("Problem updating entity : " + e.getMessage(), e);
        }
    }

    public Object getPrimaryKey(Entity entity, Map mergedUnfilteredProperties) throws RuntimeException {
        Map mergedProperties = filterOutCollectionMetadata(mergedUnfilteredProperties);
        Object primaryKey = null;
        String idPropertyName = null;
        BasicFieldMetadata metaData = null;
        for (String property : mergedProperties.keySet()) {
            BasicFieldMetadata temp = (BasicFieldMetadata) mergedProperties.get(property);
            if (temp.getFieldType() == SupportedFieldType.ID && !property.contains(".")) {
                idPropertyName = property;
                metaData = temp;
                break;
            }
        }
        if (idPropertyName == null) {
            throw new RuntimeException("Could not find a primary key property in the passed entity with type: " + entity.getType()[0]);
        }
        for (Property property : entity.getProperties()) {
            if (property.getName().equals(idPropertyName)) {
                switch(metaData.getSecondaryType()) {
                case INTEGER:
                    primaryKey = Long.valueOf(property.getValue());
                    break;
                case STRING:
                    primaryKey = property.getValue();
                    break;
                }
                break;
            }
        }
        if (primaryKey == null) {
            throw new RuntimeException("Could not find the primary key property (" + idPropertyName + ") in the passed entity with type: " + entity.getType()[0]);
        }
        return primaryKey;
    }

    public BaseCtoConverter getCtoConverter(PersistencePerspective persistencePerspective, CriteriaTransferObject cto, String ceilingEntityFullyQualifiedClassname, Map mergedUnfilteredProperties) throws ClassNotFoundException {
        Map mergedProperties = filterOutCollectionMetadata(mergedUnfilteredProperties);
        BaseCtoConverter ctoConverter = (BaseCtoConverter) applicationContext.getBean("blBaseCtoConverter");
        for (String propertyId : cto.getPropertyIdSet()) {
            if (mergedProperties.containsKey(propertyId)) {
                buildProperty(persistencePerspective, cto, ceilingEntityFullyQualifiedClassname, mergedProperties, ctoConverter, propertyId);
            } else {
                ctoConverter.addEmptyMapping(ceilingEntityFullyQualifiedClassname, propertyId);
            }
        }
        if (cto.getPropertyIdSet().isEmpty()) {
            ctoConverter.addEmptyMapping(ceilingEntityFullyQualifiedClassname, "");
        }
        return ctoConverter;
    }

    protected void buildProperty(PersistencePerspective persistencePerspective, CriteriaTransferObject cto, String ceilingEntityFullyQualifiedClassname, Map mergedProperties, BaseCtoConverter ctoConverter, String propertyName) throws ClassNotFoundException {
        AssociationPath associationPath;
        int dotIndex = propertyName.lastIndexOf('.');
        StringBuilder property;
        Class clazz = Class.forName(mergedProperties.get(propertyName).getInheritedFromType());
        Field field = getFieldManager().getField(clazz, propertyName);
        Class targetType = null;
        if (field != null) {
            targetType = field.getType();
        }
        if (dotIndex >= 0) {
            property = new StringBuilder(propertyName.substring(dotIndex + 1, propertyName.length()));
            String prefix = propertyName.substring(0, dotIndex);
            StringTokenizer tokens = new StringTokenizer(prefix, ".");
            List elementList = new ArrayList(20);
            StringBuilder sb = new StringBuilder(150);
            StringBuilder pathBuilder = new StringBuilder(150);
            while (tokens.hasMoreElements()) {
                String token = tokens.nextToken();
                sb.append(token);
                pathBuilder.append(token);
                field = getFieldManager().getField(clazz, pathBuilder.toString());
                Embedded embedded = field.getAnnotation(Embedded.class);
                if (embedded != null) {
                    sb.append('.');
                } else {
                    elementList.add(new AssociationPathElement(sb.toString()));
                    sb = new StringBuilder(150);
                }
                pathBuilder.append('.');
            }
            if (!elementList.isEmpty()) {
                AssociationPathElement[] elements = elementList.toArray(new AssociationPathElement[elementList.size()]);
                associationPath = new AssociationPath(elements);
            } else {
                property = property.insert(0, sb.toString());
                associationPath = AssociationPath.ROOT;
            }
        } else {
            property = new StringBuilder(propertyName);
            associationPath = AssociationPath.ROOT;
        }
        String convertedProperty = property.toString();
        BasicFieldMetadata metadata = (BasicFieldMetadata) mergedProperties.get(propertyName);
        switch (metadata.getFieldType()) {
            case BOOLEAN:
                if (targetType == null || targetType.equals(Boolean.class) || targetType.equals(boolean.class)) {
                    ctoConverter.addBooleanMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                } else {
                    ctoConverter.addCharacterMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                }
                break;
            case DATE:
                ctoConverter.addDateMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                break;
            case DECIMAL:
                ctoConverter.addDecimalMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                break;
            case MONEY:
                ctoConverter.addDecimalMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                break;
            case INTEGER:
                ctoConverter.addLongMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                break;
            default:
                ctoConverter.addStringLikeMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                break;
            case EMAIL:
                ctoConverter.addStringLikeMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                break;
            case FOREIGN_KEY:
                if (cto.get(propertyName).getFilterValues().length > 0) {
                    ForeignKey foreignKey = (ForeignKey) persistencePerspective.getPersistencePerspectiveItems().get(PersistencePerspectiveItemType.FOREIGNKEY);
                    if (metadata.getForeignKeyCollection()) {
                        if (ForeignKeyRestrictionType.COLLECTION_SIZE_EQ.toString().equals(foreignKey.getRestrictionType().toString())) {
                            ctoConverter.addCollectionSizeEqMapping(ceilingEntityFullyQualifiedClassname, propertyName, AssociationPath.ROOT, propertyName);
                        } else {
                            AssociationPath foreignCategory = new AssociationPath(new AssociationPathElement(propertyName));
                            ctoConverter.addLongMapping(ceilingEntityFullyQualifiedClassname, propertyName, foreignCategory, metadata.getForeignKeyProperty());
                        }
                    } else if (cto.get(propertyName).getFilterValues()[0] == null || "null".equals(cto.get(propertyName).getFilterValues()[0])) {
                        ctoConverter.addNullMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, propertyName);
                    } else if (metadata.getSecondaryType() == SupportedFieldType.STRING) {
                        AssociationPath foreignCategory = new AssociationPath(new AssociationPathElement(propertyName));
                        ctoConverter.addStringEQMapping(ceilingEntityFullyQualifiedClassname, propertyName, foreignCategory, metadata.getForeignKeyProperty());
                    } else {
                        AssociationPath foreignCategory = new AssociationPath(new AssociationPathElement(propertyName));
                        ctoConverter.addLongEQMapping(ceilingEntityFullyQualifiedClassname, propertyName, foreignCategory, metadata.getForeignKeyProperty());
                    }
                } else {
                    ctoConverter.addEmptyMapping(ceilingEntityFullyQualifiedClassname, propertyName);
                }
                break;
            case ADDITIONAL_FOREIGN_KEY:
                if (cto.get(propertyName).getFilterValues().length > 0) {
                    int additionalForeignKeyIndexPosition = Arrays.binarySearch(persistencePerspective.getAdditionalForeignKeys(), new ForeignKey(propertyName, null, null), new Comparator() {
                        public int compare(ForeignKey o1, ForeignKey o2) {
                            return o1.getManyToField().compareTo(o2.getManyToField());
                        }
                    });
                    ForeignKey foreignKey = persistencePerspective.getAdditionalForeignKeys()[additionalForeignKeyIndexPosition];
                    if (metadata.getForeignKeyCollection()) {
                        if (ForeignKeyRestrictionType.COLLECTION_SIZE_EQ.toString().equals(foreignKey.getRestrictionType().toString())) {
                            ctoConverter.addCollectionSizeEqMapping(ceilingEntityFullyQualifiedClassname, propertyName, AssociationPath.ROOT, propertyName);
                        } else {
                            AssociationPath foreignCategory = new AssociationPath(new AssociationPathElement(propertyName));
                            ctoConverter.addLongMapping(ceilingEntityFullyQualifiedClassname, propertyName, foreignCategory, metadata.getForeignKeyProperty());
                        }
                    } else if (cto.get(propertyName).getFilterValues()[0] == null || "null".equals(cto.get(propertyName).getFilterValues()[0])) {
                        ctoConverter.addNullMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, propertyName);
                    } else if (metadata.getSecondaryType() == SupportedFieldType.STRING) {
                        AssociationPath foreignCategory = new AssociationPath(new AssociationPathElement(propertyName));
                        ctoConverter.addStringEQMapping(ceilingEntityFullyQualifiedClassname, propertyName, foreignCategory, metadata.getForeignKeyProperty());
                    } else {
                        AssociationPath foreignCategory = new AssociationPath(new AssociationPathElement(propertyName));
                        ctoConverter.addLongEQMapping(ceilingEntityFullyQualifiedClassname, propertyName, foreignCategory, metadata.getForeignKeyProperty());
                    }
                } else {
                    ctoConverter.addEmptyMapping(ceilingEntityFullyQualifiedClassname, propertyName);
                }
                break;
            case ID:
                switch (metadata.getSecondaryType()) {
                    case INTEGER:
                        ctoConverter.addLongEQMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                        break;
                    case STRING:
                        ctoConverter.addStringLikeMapping(ceilingEntityFullyQualifiedClassname, propertyName, associationPath, convertedProperty);
                        break;
                }
                break;
        }
    }

    public int getTotalRecords(PersistencePackage persistencePackage, CriteriaTransferObject cto, BaseCtoConverter ctoConverter) throws ClassNotFoundException {
        PersistentEntityCriteria countCriteria = ctoConverter.convert(new CriteriaTransferObjectCountWrapper(cto).wrap(), persistencePackage.getCeilingEntityFullyQualifiedClassname());
        Class[] entities = persistenceManager.getDynamicEntityDao().getAllPolymorphicEntitiesFromCeiling(Class.forName(persistencePackage.getCeilingEntityFullyQualifiedClassname()));
        boolean isArchivable = false;
        for (Class entity : entities) {
            if (Status.class.isAssignableFrom(entity)) {
                isArchivable = true;
                break;
            }
        }
        if (isArchivable && !persistencePackage.getPersistencePerspective().getShowArchivedFields()) {
            SimpleFilterCriterionProvider criterionProvider = new  SimpleFilterCriterionProvider(SimpleFilterCriterionProvider.FilterDataStrategy.NONE, 0) {
                public Criterion getCriterion(String targetPropertyName, Object[] filterObjectValues, Object[] directValues) {
                    return Restrictions.or(Restrictions.eq(targetPropertyName, 'N'), Restrictions.isNull(targetPropertyName));
                }
            };
            FilterCriterion filterCriterion = new FilterCriterion(AssociationPath.ROOT, "archiveStatus.archived", criterionProvider);
            ((NestedPropertyCriteria) countCriteria).add(filterCriterion);
        }
        return persistenceManager.getDynamicEntityDao().count(countCriteria, Class.forName(StringUtils.isEmpty(persistencePackage.getFetchTypeFullyQualifiedClassname()) ? persistencePackage.getCeilingEntityFullyQualifiedClassname() : persistencePackage.getFetchTypeFullyQualifiedClassname()));
    }

    public void extractProperties(Map> mergedProperties, List properties) throws NumberFormatException {
        extractPropertiesFromMetadata(mergedProperties.get(MergedPropertyType.PRIMARY), properties, false);
    }

    protected void extractPropertiesFromMetadata(Map mergedProperties, List properties, Boolean isHiddenOverride) throws NumberFormatException {
        for (Map.Entry entry : mergedProperties.entrySet()) {
            String property = entry.getKey();
            Property prop = new Property();
            FieldMetadata metadata = mergedProperties.get(property);
            prop.setName(property);
            if (properties.contains(prop)) {
                continue;
            }
            properties.add(prop);
            prop.setMetadata(metadata);
            if (isHiddenOverride && prop.getMetadata() instanceof BasicFieldMetadata) {
                //this only makes sense for non collection types
                ((BasicFieldMetadata) prop.getMetadata()).setVisibility(VisibilityEnum.HIDDEN_ALL);
            }
        }
    }

    public void updateMergedProperties(PersistencePackage persistencePackage, Map> allMergedProperties) throws ServiceException {
        String ceilingEntityFullyQualifiedClassname = persistencePackage.getCeilingEntityFullyQualifiedClassname();
        try {
            PersistencePerspective persistencePerspective = persistencePackage.getPersistencePerspective();
            Class[] entities = persistenceManager.getPolymorphicEntities(ceilingEntityFullyQualifiedClassname);
            Map mergedProperties = persistenceManager.getDynamicEntityDao().getMergedProperties(
                ceilingEntityFullyQualifiedClassname,
                entities,
                (ForeignKey) persistencePerspective.getPersistencePerspectiveItems().get(PersistencePerspectiveItemType.FOREIGNKEY),
                persistencePerspective.getAdditionalNonPersistentProperties(),
                persistencePerspective.getAdditionalForeignKeys(),
                MergedPropertyType.PRIMARY,
                persistencePerspective.getPopulateToOneFields(),
                persistencePerspective.getIncludeFields(),
                persistencePerspective.getExcludeFields(),
                persistencePerspective.getConfigurationKey(),
                ""
            );
            allMergedProperties.put(MergedPropertyType.PRIMARY, mergedProperties);
        } catch (Exception e) {
            LOG.error("Problem fetching results for " + ceilingEntityFullyQualifiedClassname, e);
            throw new ServiceException("Unable to fetch results for " + ceilingEntityFullyQualifiedClassname, e);
        }
    }

    public Entity update(PersistencePackage persistencePackage) throws ServiceException {
        return update(persistencePackage, null);
    }

    public Entity add(PersistencePackage persistencePackage) throws ServiceException {
        try {
            Entity entity = persistencePackage.getEntity();
            PersistencePerspective persistencePerspective = persistencePackage.getPersistencePerspective();
            Class[] entities = persistenceManager.getPolymorphicEntities(persistencePackage.getCeilingEntityFullyQualifiedClassname());
            Map mergedUnfilteredProperties = persistenceManager.getDynamicEntityDao().getMergedProperties(
                persistencePackage.getCeilingEntityFullyQualifiedClassname(),
                entities,
                (ForeignKey) persistencePerspective.getPersistencePerspectiveItems().get(PersistencePerspectiveItemType.FOREIGNKEY),
                persistencePerspective.getAdditionalNonPersistentProperties(),
                persistencePerspective.getAdditionalForeignKeys(),
                MergedPropertyType.PRIMARY,
                persistencePerspective.getPopulateToOneFields(),
                persistencePerspective.getIncludeFields(),
                persistencePerspective.getExcludeFields(),
                persistencePerspective.getConfigurationKey(),
                ""
            );
            Map mergedProperties = filterOutCollectionMetadata(mergedUnfilteredProperties);

            String idProperty = null;
            for (String property : mergedProperties.keySet()) {
                if (((BasicFieldMetadata) mergedProperties.get(property)).getFieldType() == SupportedFieldType.ID) {
                    idProperty = property;
                    break;
                }
            }
            if (idProperty == null) {
                throw new RuntimeException("Could not find a primary key property in the passed entity with type: " + entity.getType()[0]);
            }
            Object primaryKey = null;
            try {
                primaryKey = getPrimaryKey(entity, mergedProperties);
            } catch (Exception e) {
                //do nothing
            }
            if (primaryKey == null) {
                Serializable instance = (Serializable) Class.forName(entity.getType()[0]).newInstance();
                instance = createPopulatedInstance(instance, entity, mergedProperties, false);
                instance = persistenceManager.getDynamicEntityDao().persist(instance);
                List entityList = new ArrayList(1);
                entityList.add(instance);

                return getRecords(mergedProperties, entityList, null, null)[0];
            } else {
                return update(persistencePackage, primaryKey);
            }
        } catch (ServiceException e) {
            LOG.error("Problem adding new entity", e);
            throw e;
        } catch (Exception e) {
            LOG.error("Problem adding new entity", e);
            throw new ServiceException("Problem adding new entity : " + e.getMessage(), e);
        }
    }

    public void remove(PersistencePackage persistencePackage) throws ServiceException {
        try {
            Entity entity = persistencePackage.getEntity();
            PersistencePerspective persistencePerspective = persistencePackage.getPersistencePerspective();
            Class[] entities = persistenceManager.getPolymorphicEntities(persistencePackage.getCeilingEntityFullyQualifiedClassname());
            Map mergedUnfilteredProperties = persistenceManager.getDynamicEntityDao().getMergedProperties(
                persistencePackage.getCeilingEntityFullyQualifiedClassname(),
                entities,
                (ForeignKey) persistencePerspective.getPersistencePerspectiveItems().get(PersistencePerspectiveItemType.FOREIGNKEY),
                persistencePerspective.getAdditionalNonPersistentProperties(),
                persistencePerspective.getAdditionalForeignKeys(),
                MergedPropertyType.PRIMARY,
                persistencePerspective.getPopulateToOneFields(),
                persistencePerspective.getIncludeFields(),
                persistencePerspective.getExcludeFields(),
                persistencePerspective.getConfigurationKey(),
                ""
            );
            Map mergedProperties = filterOutCollectionMetadata(mergedUnfilteredProperties);
            Object primaryKey = getPrimaryKey(entity, mergedProperties);
            Serializable instance = persistenceManager.getDynamicEntityDao().retrieve(Class.forName(entity.getType()[0]), primaryKey);

            switch (persistencePerspective.getOperationTypes().getRemoveType()) {
                case NONDESTRUCTIVEREMOVE:
                    for (Property property : entity.getProperties()) {
                        String originalPropertyName = property.getName();
                        FieldManager fieldManager = getFieldManager();
                        if (fieldManager.getField(instance.getClass(), property.getName()) == null) {
                            LOG.debug("Unable to find a bean property for the reported property: " + originalPropertyName + ". Ignoring property.");
                            continue;
                        }
                        if (SupportedFieldType.FOREIGN_KEY == ((BasicFieldMetadata) mergedProperties.get(originalPropertyName)).getFieldType()) {
                            String value = property.getValue();
                            ForeignKey foreignKey = (ForeignKey) persistencePerspective.getPersistencePerspectiveItems().get(PersistencePerspectiveItemType.FOREIGNKEY);
                            Serializable foreignInstance = persistenceManager.getDynamicEntityDao().retrieve(Class.forName(foreignKey.getForeignKeyClass()), Long.valueOf(value));
                            Collection collection = (Collection) fieldManager.getFieldValue(instance, property.getName());
                            collection.remove(foreignInstance);
                            break;
                        }
                    }
                    break;
                case BASIC:
                    persistenceManager.getDynamicEntityDao().remove(instance);
                    break;
            }
        } catch (Exception e) {
            LOG.error("Problem removing entity", e);
            throw new ServiceException("Problem removing entity : " + e.getMessage(), e);
        }
    }

    public DynamicResultSet fetch(PersistencePackage persistencePackage, CriteriaTransferObject cto) throws ServiceException {
        Entity[] payload;
        int totalRecords;
        String ceilingEntityFullyQualifiedClassname = persistencePackage.getCeilingEntityFullyQualifiedClassname();
        if (StringUtils.isEmpty(persistencePackage.getFetchTypeFullyQualifiedClassname())) {
            persistencePackage.setFetchTypeFullyQualifiedClassname(ceilingEntityFullyQualifiedClassname);
        }
        PersistencePerspective persistencePerspective = persistencePackage.getPersistencePerspective();
        try {
            Class[] entities = persistenceManager.getDynamicEntityDao().getAllPolymorphicEntitiesFromCeiling(Class.forName(ceilingEntityFullyQualifiedClassname));
            Map mergedProperties = persistenceManager.getDynamicEntityDao().getMergedProperties(
                ceilingEntityFullyQualifiedClassname,
                entities,
                (ForeignKey) persistencePerspective.getPersistencePerspectiveItems().get(PersistencePerspectiveItemType.FOREIGNKEY),
                persistencePerspective.getAdditionalNonPersistentProperties(),
                persistencePerspective.getAdditionalForeignKeys(),
                MergedPropertyType.PRIMARY,
                persistencePerspective.getPopulateToOneFields(),
                persistencePerspective.getIncludeFields(),
                persistencePerspective.getExcludeFields(),
                persistencePerspective.getConfigurationKey(),
                ""
            );
            BaseCtoConverter ctoConverter = getCtoConverter(persistencePerspective, cto, ceilingEntityFullyQualifiedClassname, mergedProperties);
            PersistentEntityCriteria queryCriteria = ctoConverter.convert(cto, ceilingEntityFullyQualifiedClassname);
            boolean isArchivable = false;
            for (Class entity : entities) {
                if (Status.class.isAssignableFrom(entity)) {
                    isArchivable = true;
                    break;
                }
            }
            if (isArchivable && !persistencePerspective.getShowArchivedFields()) {
                SimpleFilterCriterionProvider criterionProvider = new  SimpleFilterCriterionProvider(SimpleFilterCriterionProvider.FilterDataStrategy.NONE, 0) {
                    public Criterion getCriterion(String targetPropertyName, Object[] filterObjectValues, Object[] directValues) {
                        return Restrictions.or(Restrictions.eq(targetPropertyName, 'N'), Restrictions.isNull(targetPropertyName));
                    }
                };
                FilterCriterion filterCriterion = new FilterCriterion(AssociationPath.ROOT, "archiveStatus.archived", criterionProvider);
                ((NestedPropertyCriteria) queryCriteria).add(filterCriterion);
            }
            List records = persistenceManager.getDynamicEntityDao().query(queryCriteria, Class.forName(persistencePackage.getFetchTypeFullyQualifiedClassname()));

            payload = getRecords(mergedProperties, records, null, null);
            totalRecords = getTotalRecords(persistencePackage, cto, ctoConverter);
        } catch (Exception e) {
            LOG.error("Problem fetching results for " + ceilingEntityFullyQualifiedClassname, e);
            throw new ServiceException("Unable to fetch results for " + ceilingEntityFullyQualifiedClassname, e);
        }

        return new DynamicResultSet(null, payload, totalRecords);
    }

    public void setPersistenceManager(PersistenceManager persistenceManager) {
        this.persistenceManager = persistenceManager;
    }

    @Override
    public PersistenceModule getCompatibleModule(OperationType operationType) {
        return ((InspectHelper) persistenceManager).getCompatibleModule(operationType);
    }
}




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