package org.kuali.common.impex.model;
   
   import javax.xml.bind.annotation.XmlAccessType;
   import javax.xml.bind.annotation.XmlAccessorType;
   import javax.xml.bind.annotation.XmlAttribute;
   
   /**
    * This interface provides an implementation-independent API to access database column model information
    */
  @XmlAccessorType(XmlAccessType.PROPERTY)
  public class Column implements NamedElement {
  
  	public static final Boolean DEFAULT_NULLABLE_VALUE = true;
  	public static final Boolean DEFAULT_PRIMARY_KEY_VALUE = false;
  
  	String name;
  	DataType type;
  	DataTypeSize size;
  	String defaultValue;
  	String description;
  	Boolean primaryKey = DEFAULT_PRIMARY_KEY_VALUE;
  	Boolean nullable = DEFAULT_NULLABLE_VALUE;
  
  	/**
  	 * This is a copy constructor. It must create a perfect, deep, copy of this object
  	 */
  	public Column(Column column) {
  		this.name = column.getName();
  		this.type = column.getType();
  		this.size = new DataTypeSize(column.getSize());
  		this.defaultValue = column.getDefaultValue();
  		this.description = column.getDescription();
  		this.primaryKey = column.isPrimaryKey();
  		this.nullable = column.isNullable();
  	}
  
  	public Column() {
  		this(null, null);
  	}
  
  	/**
  	 * Create a new instance of a Column
  	 * 
  	 * All values are initialized, with a special note that nullable is initially set to true
  	 */
  	public Column(String name, DataType dataType) {
  		this.name = name;
  		this.type = dataType;
  	}
  
  	@XmlAttribute
  	public DataType getType() {
  		return type;
  	}
  
  	@Override
  	@XmlAttribute
  	public String getName() {
  		return name;
  	}
  
  	@XmlAttribute
  	public Boolean isPrimaryKey() {
  		return primaryKey;
  	}
  
  	@XmlAttribute
  	public Boolean isNullable() {
  		return nullable;
  	}
  
  	@XmlAttribute
  	public String getDescription() {
  		return description;
  	}
  
  	public void setPrimaryKey(Boolean primaryKey) {
  		this.primaryKey = primaryKey;
  	}
  
  	public DataTypeSize getSize() {
  		return size;
  	}
  
  	public void setSize(DataTypeSize typeSize) {
  		this.size = typeSize;
  	}
  
  	public String getDefaultValue() {
  		return defaultValue;
  	}
  
  	public void setDefaultValue(String defaultValue) {
  		this.defaultValue = defaultValue;
  	}
  
  	public void setNullable(Boolean nullable) {
  		this.nullable = nullable;
  	}
 
 	public void setDescription(String description) {
 		this.description = description;
 	}
 
 	public void setType(DataType columnDataType) {
 		this.type = columnDataType;
 	}
 
 	public void setName(String name) {
 		this.name = name;
 	}
 }