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/*
* KeyDesc.java
*
* Created on March 3, 2000
*
*/
package com.sun.jdo.spi.persistence.support.sqlstore.model;
import org.netbeans.modules.dbschema.ColumnElement;
import java.util.ArrayList;
/**
* This class is used to encapsulate an association between
* key fields and key columns.
*/
public class KeyDesc {
/** Array of LocalFieldDesc */
private ArrayList fields;
/** Array of ColumnElements */
private ArrayList columns;
/** Initialize the columns ArrayList. */
void addColumns(ArrayList columns) {
this.columns = columns;
}
/** Add a field to the KeyDesc.
* @param f - FieldDesc to be added
*/
void addField(FieldDesc f) {
if (fields == null)
fields = new ArrayList();
fields.add(f);
}
/** Add a column to this KeyDesc.
* @param c - ColumnElement to be added
*/
void addColumn(ColumnElement c) {
if (columns == null)
columns = new ArrayList();
columns.add(c);
}
/** Return all key columns.
* @return an ArrayList of ColumnElements
*/
public ArrayList getColumns() {
return columns;
}
/** Return all key fields.
* @return an ArrayList of FieldDescs
*/
public ArrayList getFields() {
return fields;
}
}
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