dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.io.mapping;
 
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
 
import foundation.data.meta.field.Field;
import foundation.data.meta.field.FieldsRuntime;
import foundation.io.object.Titles;
import foundation.util.ContentBuilder;
 
public class MappingsRuntime implements Iterable<FieldMappingRuntime> {
      
    private List<FieldMappingRuntime> fieldMappingRuntimes;
    private Map<String, FieldMappingRuntime> fromMap;
    private Map<String, FieldMappingRuntime> toMap;
      
    
    public MappingsRuntime() {
        fieldMappingRuntimes = new ArrayList<FieldMappingRuntime>();
        fromMap = new HashMap<String, FieldMappingRuntime>();
        toMap = new HashMap<String, FieldMappingRuntime>();
    }
 
    public static MappingsRuntime newInstance(FieldsRuntime fromFields, FieldsRuntime toFields) { 
        MappingsRuntime mappingstRuntime = new MappingsRuntime();
        
        FieldMappingRuntime mappingRuntime; Field toField;
        
        for (Field fromField : fromFields) {
            toField = toFields.get(fromField.getName());
            
            if (toField == null) {
                continue;
            }
            
            mappingRuntime = new FieldMappingRuntime(null, fromField, toField, fromField.getIndexNo(), toField.getIndexNo());
            mappingstRuntime.addItem(mappingRuntime);
        }
        
        return mappingstRuntime;
    }
 
    public void addItem(FieldMappingRuntime fieldMappingRuntime) {
        String fromName = fieldMappingRuntime.getFromName();
        String toName = fieldMappingRuntime.getToName();
        
        if (fromName == null || toName == null) {
            return;
        }
        
        fromName = fromName.toLowerCase();
        toName = toName.toLowerCase();
        
        fieldMappingRuntimes.add(fieldMappingRuntime);
        fromMap.put(fromName, fieldMappingRuntime);
        toMap.put(toName, fieldMappingRuntime);
    }
    
    public int[] getFromIndex() {
        int max = fieldMappingRuntimes.size();
        int[] result = new int[max];
 
        for (int i = 0; i < max; i++) {
            FieldMappingRuntime fieldMappingRuntime = fieldMappingRuntimes.get(i);
            result[i] = fieldMappingRuntime.getFromIndex();
        }
        
        return result;
    }
    
    public int[] getToIndex() {
        int max = fieldMappingRuntimes.size();
        int[] result = new int[max];
        
        for (int i = 0; i < max; i++) {
            FieldMappingRuntime fieldMappingRuntime = fieldMappingRuntimes.get(i);
            result[i] = fieldMappingRuntime.getToIndex();
        }
        
        return result;
    }
 
    public List<FieldMappingRuntime> getMappingRuntimeList() {
        return fieldMappingRuntimes;
    }
 
    public Titles getToTitles() {
        Titles result = new Titles();
        
        for (FieldMappingRuntime mappingRuntime: fieldMappingRuntimes) {
            String toTitle = mappingRuntime.getToName();
            int idx = mappingRuntime.getToIndex();
            
            result.add(toTitle, idx);
        }
        
        return result;
    }
 
    public boolean containsFromField(String fieldName) {
        if (fieldName == null) {
            return false;
        }
        
        fieldName = fieldName.toLowerCase();
        return fromMap.containsKey(fieldName);
    }
    
    public boolean containsToField(String fieldName) {
        if (fieldName == null) {
            return false;
        }
        
        fieldName = fieldName.toLowerCase();
        return toMap.containsKey(fieldName);
    }
 
    public int size() {
        return fieldMappingRuntimes.size();
    }
    
    public String getFromFieldNames(String division) {
        ContentBuilder result = new ContentBuilder(division);
        
        for (FieldMappingRuntime fieldMappingRuntime: fieldMappingRuntimes) {
            String fromName = fieldMappingRuntime.getFromName();
            result.append(fromName);
        }
        
        return result.toString();
    }
    
    public String getToFieldNames(String division, String... additional) {
        ContentBuilder result = new ContentBuilder(division);
        
        for (FieldMappingRuntime fieldMappingRuntime: fieldMappingRuntimes) {
            String toName = fieldMappingRuntime.getToName();
            result.append(toName);
        }
        
        if (additional != null) {
            for (String fieldName: additional) {
                result.append(fieldName);
            }
        }
        
        return result.toString();
    }
 
    @Override
    public Iterator<FieldMappingRuntime> iterator() {
        return fieldMappingRuntimes.iterator();
    }
 
}