package frame.file;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import com.sun.org.apache.regexp.internal.recompile;
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import frame.data.Entity;
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import frame.data.meta.EntityMeta;
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import frame.data.meta.Field;
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import frame.util.Util;
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public class IOMapping implements IFileload{
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private String id;
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private String name;
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private boolean open;
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private int typeCode;
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private List<IOMappingItem> itemList;
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private Map<String, IOMappingItem> fromItemMap;
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private Map<String, IOMappingItem> toItemMap;
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public IOMapping() {
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itemList = new ArrayList<IOMappingItem>();
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fromItemMap = new HashMap<String, IOMappingItem>();
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toItemMap = new HashMap<String, IOMappingItem>();
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}
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@Override
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public void initLoad(Entity entity) {
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// TODO Auto-generated method stub
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}
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public IOMappingRuntime createRuntime(FileIOContext context, String condition, EntityMeta fromMeta, EntityMeta toMeta, Direction direction) throws Exception {
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List<IOMappingItemRuntime> updateMappingRuntime = new ArrayList<IOMappingItemRuntime>();
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List<IOMappingItemRuntime> insertMappingRuntime = new ArrayList<IOMappingItemRuntime>();
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for (IOMappingItem mappingItem : itemList) {
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String fromField, toField;
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if (Direction.Normal == direction) {
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fromField = mappingItem.getFromField();
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toField = mappingItem.getToField();
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}
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else {
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fromField = mappingItem.getToField();
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toField = mappingItem.getFromField();
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}
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if (context != null) {
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fromField = context.setParametersTo(fromField);
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toField = context.setParametersTo(toField);
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}
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Field fieldByFrom = fromMeta.get(fromField);
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Field fieldByto = fromMeta.get(toField);
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if (fieldByFrom == null || fieldByto == null) {
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if (FileIoItem.TypeCode_DB.equalsIgnoreCase(condition)) {
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if (mappingItem.isInsertIgnore() || mappingItem.isUpdateIgnore()) {
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continue;
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}
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else {
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throw new Exception("IO Mapping fields not in table:" + mappingItem.toString() + " " + fromMeta.getName() + ", " + toMeta.getName());
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}
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}
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else {
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continue;
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}
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}
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IOMappingItemRuntime mappingItemRuntime = new IOMappingItemRuntime(mappingItem, fromField, fieldByFrom, toField, fieldByto);
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if (!mappingItem.isInsertIgnore()) {
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insertMappingRuntime.add(mappingItemRuntime);
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}
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if (!mappingItem.isUpdateIgnore()) {
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updateMappingRuntime.add(mappingItemRuntime);
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}
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}
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if (open) {
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List<Field> fields = fromMeta.getFields();
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for (Field field : fields) {
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String fieldName = field.getName();
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if (!toMeta.contains(fieldName)) {
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continue;
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}
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Field fromField = fromMeta.get(fieldName);
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Field toField = toMeta.get(fieldName);
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IOMappingItemRuntime itemRuntime = new IOMappingItemRuntime(null, field, fromField, field, toField);
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if (!fromItemMap.ContainsKey(field)) {
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updateMappingRuntime.Add(itemRuntime);
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}
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if (!fromItemMap.ContainsKey(field)) {
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insertMappingRuntime.Add(itemRuntime);
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}
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}
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}
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}
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public int size() {
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return itemList.size();
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}
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public List<IOMappingItem> getList() {
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return itemList;
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}
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public void addItem(IOMappingItem item) {
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String fromField = item.getFromField();
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String toField = item.getToField();
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itemList.add(item);
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if (fromField != null) {
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fromItemMap.put(fromField, item);
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}
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if (toField != null) {
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toItemMap.put(toField, item);
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}
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}
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public String getFromField(String toField) {
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return convertField(toField, true);
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}
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public String getToField(String fromField) {
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return convertField(fromField, false);
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}
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private String convertField(String field, boolean isFromField) {
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IOMappingItem item = getIoMappingItem(field, isFromField);
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if (isFromField) {
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return item.getToField();
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}
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else {
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return item.getFromField();
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}
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}
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public void clear() {
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if (itemList != null) {
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itemList.clear();
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}
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if (fromItemMap != null) {
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fromItemMap.clear();
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}
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if (toItemMap != null) {
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toItemMap.clear();
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}
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}
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public IOMappingItem getItemByFromField(String fromField) {
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return getIoMappingItem(fromField, true);
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}
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public IOMappingItem getItemByToField(String toField) {
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return getIoMappingItem(toField, false);
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}
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private IOMappingItem getIoMappingItem(String field, boolean isFromField) {
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Map<String, IOMappingItem> itemMap = null;
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if (Util.isEmptyStr(field)) {
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return null;
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}
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field = field.toLowerCase();
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if (isFromField) {
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itemMap = fromItemMap;
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}
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else {
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itemMap = toItemMap;
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}
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if (!itemMap.containsKey(field)) {
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return null;
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}
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IOMappingItem item = itemMap.get(field);
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return item;
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}
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public String getId() {
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return id;
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}
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public String getName() {
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return name;
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}
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public boolean isOpen() {
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return open;
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}
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public int getTypeCode() {
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return typeCode;
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}
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public List<IOMappingItem> getItemList() {
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return itemList;
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}
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}
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