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RecordSet

Kind of class:	class
Inherits from:	none
Implements:	Iterable
Version:	1.0
Author:	Francis Bourre
Classpath:	com.bourre.data.collections.RecordSet
File last modified:	Wednesday, 31 October 2007, 07:35:29

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/*
 * Copyright the original author or authors.
 * 
 * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.mozilla.org/MPL/MPL-1.1.html
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * @author Francis Bourre
 * @version 1.0
 */

import com.bourre.data.iterator.ArrayIterator;
import com.bourre.data.iterator.Iterable;
import com.bourre.data.iterator.Iterator;
import com.bourre.data.iterator.RecordSetIterator;
import com.bourre.log.PixlibDebug;
import com.bourre.log.PixlibStringifier;

class com.bourre.data.collections.RecordSet 
    implements Iterable
{
    private var _aColumNames : Array;
    private var _aItems : Array;
    
    public function RecordSet( rawData )
    {
        parseRawData( rawData );
    }
    
    public function clear() : Void
    {
        _init();
    }
    
    public function parseRawData( rawData ) : Void
    {
        clear();
        
        _aColumNames = rawData.serverInfo.columnNames;

        var aItems : Array = rawData.serverInfo.initialData;
        var i : Iterator = new ArrayIterator( aItems );
        while( i.hasNext()) 
        {
            var item : Object = new Object();
            var aProperties = i.next();
            
            var j : Iterator = new ArrayIterator( aProperties );
            while( j.hasNext()) 
            {
                var propertyValue = j.next();
                var propertyName : String = _aColumNames[ j.getIndex() ];
                
                item[ propertyName ] = propertyValue;
            }
            
            _aItems.push( item );
        }
    }
    
    public function getColumnNames(): Array 
    {
        return _aColumNames;
    }
    
    public function getItems() : Array
    {
        return _aItems;
    }
    
    public function getItemAt( n : Number )
    {
        if (isEmpty())
        {
            PixlibDebug.WARN( this + ".getItemAt(" + n + ") can't retrieve data, collection is empty." );
            return null;
        } else if ( n < 0 || n >= getLength() ) 
        {
            PixlibDebug.ERROR(     this + ".getItemAt() was used with invalid value :'" + n + 
                                "', " + this + ".getLength() equals '" + getLength() + "'" );
            return null;
        } else
        {
            return _aItems[ n ];
        }
    }
    
    public function isEmpty() : Boolean
    {
        return _aItems.length == 0;
    }
    
    public function getIterator() : Iterator
    {
        return new RecordSetIterator( this );
    }
    
    public function getLength() : Number
    {
        return _aItems.length;
    }
    
    /**
     * Returns the string representation of this instance.
     * @return the string representation of this instance
     */
    public function toString() : String 
    {
        return PixlibStringifier.stringify( this );
    }
    
    /*
     * 
     */
    private function _init() : Void
    {
        _aColumNames = new Array();
        _aItems = new Array();
    }
}

Summary

Constructor

RecordSet

Instance methods

clear
parseRawData
getColumnNames
getItems
getItemAt
isEmpty
getIterator
getLength
toString

Constructor

RecordSet

function RecordSet (

)

Instance methods

clear

function clear (

) : Void

getColumnNames

function getColumnNames (

) : Array

getItemAt

function getItemAt (

n:Number)

getItems

function getItems (

) : Array

getIterator

function getIterator (

) : Iterator

Specified by:

com.bourre.data.iterator.Iterable.getIterator

getLength

function getLength (

) : Number

isEmpty

function isEmpty (

) : Boolean

parseRawData

function parseRawData (

) : Void

toString

function toString (

) : String

Returns the string representation of this instance.

Returns:

the string representation of this instance