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package com.venky.swf.db.model.reflection.uniquekey;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import com.venky.core.collections.SequenceMap;
import com.venky.swf.db.model.Model;
import com.venky.swf.db.model.reflection.ModelReflector;

public class UniqueKey {
	public UniqueKey(Class modelClass,String keyName){
		this.modelClass = modelClass;
		this.keyName = keyName;
	}
	
	private final Class modelClass;
	public Class getModelClass() {
		return this.modelClass;
	}
	
	private final String keyName ; 
	public String getKeyName() {
		return this.keyName;
	}

	public ModelReflector getReflector() {
		return ModelReflector.instance(modelClass);
	}

	private Map> fields = new SequenceMap<>();
	public void addField(String field, boolean exportable, boolean allowMultipleRecordsWithNull) {
		UniqueKeyFieldDescriptor ukfd = new UniqueKeyFieldDescriptor(this,field);
		ukfd.setMultipleRecordsWithNullAllowed(allowMultipleRecordsWithNull);
		ukfd.setExportable(exportable);
		this.fields.put(field, ukfd);
	}
	
	public UniqueKeyFieldDescriptor getDescriptor(String field) {
		return this.fields.get(field);
	}
	
	public int size(){
		return fields.size();
	}
	
	public Collection> getFields(){
		return fields.values();
	}

}