pollmapbuilder.java

来自「jetspeed源代码」· Java 代码 · 共 121 行

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package org.apache.jetspeed.portal.portlets.util.poll; 
 
import java.util.*;

import org.apache.turbine.util.db.pool.*;
import org.apache.turbine.util.db.map.*;

/**
 */
public class PollMapBuilder implements MapBuilder {

    /**
        the database map
    */
    private DatabaseMap dbMap = null;
    
    
    public String getTablePolls() {
        return "Polls";
    }

    public String getTableAnswers() {
        return "Answers";
    }
    
    //MapBuilder interface
    
    public void doBuild() throws Exception {

        // make some objects
        String string = new String("");
        Integer integer = new Integer(0);

        // get default map
        dbMap = new DatabaseMap(DBBroker.DEFAULT);

        // add tables
        dbMap.addTable( getTablePolls() );
        dbMap.addTable( getTableAnswers() );
                
        // add Visitor columns
        TableMap tMap = dbMap.getTable( getTablePolls() );
        tMap.addPrimaryKey( "POLLID", integer );
        tMap.addColumn( "TITLE", string );
        
        // add Role columns
        tMap = dbMap.getTable( getTableAnswers() );
        tMap.addPrimaryKey( "ANSWERID", integer );
        tMap.addForeignPrimaryKey( "POLLID", integer, this.getTablePolls(), "POLLID" );
        tMap.addColumn( "TITLE", string );
        tMap.addColumn( "COUNT", integer );

    }
    
    public boolean isBuilt() {
        if ( dbMap != null )
            return true;
        return false;
    }
    
    public DatabaseMap getDatabaseMap() {
        return this.dbMap;        
    }
}