Comments on: AIR Embedded Database Sample Application http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/ News and Information about Adobe Flex & Adobe AIR by Rich Tretola Wed, 17 Mar 2010 19:50:11 -0400 http://wordpress.org/?v=2.8.4 hourly 1 By: everythingflex http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/comment-page-1/#comment-358 everythingflex Tue, 16 Oct 2007 11:07:39 +0000 http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/#comment-358 In this case I am simply passing the Objects to a remote ColdFusion server over AMF. I point my local AS3 object to my remote CFC: Here is the sample connection: [cc lang="XML"] <mx:RemoteObject id="coldfusionService" destination="ColdFusion" endpoint="http://mydomain.com/flex2gateway/" showBusyCursor="true" source="com.everythingflex.employeeDirectory.business.Delegate" concurrency="last" result="event.token.resultHandler( event )" fault="event.token.faultHandler( event )"/> [/cc] <strong>Employee ActionScript Object</strong> [cc lang="ActionScript"] package com.everythingflex.employeeDirectory.vo { [RemoteClass(alias="com.everythingflex.employeeDirectory.vo.Employee")] [Bindable] public class Employee { public var employeeId:Number; public var firstName:String; public var lastName:String; public var email:String; public var jobTitle:String; public var userId:Number; } } [/cc] <strong>Employee ColdFusion CFC</strong> [cc lang="cfm"] <cfcomponent output="false"> <cfproperty name="employeeId" type="numeric" required="true" default=""> <cfproperty name="firstName" type="string" required="true" default=""> <cfproperty name="lastName" type="string" required="true" default=""> <cfproperty name="email" type="string" required="true" default=""> <cfproperty name="jobTitle" type="string" required="true" default=""> <cfproperty name="userId" type="numeric" required="true" default=""> <!--- Initialize vars ---> <cfscript> variables.instance["employeeId"]=0; variables.instance["firstName"]=""; variables.instance["lastName"]=""; variables.instance["email"]=""; variables.instance["jobTitle"]=""; variables.instance["userId"]=0; </cfscript> <!--- Populate data ---> <cffunction name="init" output="false" access="public" returntype="com.everythingflex.employeeDirectory.vo.Employee"> <cfargument name="employeeId" type="numeric" required="yes"> <cfargument name="firstName" type="string" required="yes"> <cfargument name="lastName" type="string" required="yes"> <cfargument name="email" type="string" required="yes"> <cfargument name="jobTitle" type="string" required="yes"> <cfargument name="userId" type="numeric" required="yes"> <!--- Save it all ---> <cfscript> setEmployeeId(arguments.employeeId); setFirstName(arguments.firstName); setLastName(arguments.lastName); setEmail(arguments.email); setJobTitle(arguments.jobTitle); setUserId(arguments.userId); </cfscript> <cfreturn this> </cffunction> <cffunction name="getEmployeeId" output="false" access="public" returntype="numeric"> <cfreturn variables.instance.employeeId> </cffunction> <cffunction name="setEmployeeId" output="false" access="public" returntype="void"> <cfargument name="val" required="true" type="numeric"> <cfset variables.instance.employeeId=arguments.val> </cffunction> <cffunction name="getFirstName" output="false" access="public" returntype="string"> <cfreturn variables.instance.firstName> </cffunction> <cffunction name="setFirstName" output="false" access="public" returntype="void"> <cfargument name="val" required="true" type="string"> <cfset variables.instance.firstName=arguments.val> </cffunction> <cffunction name="getLastName" output="false" access="public" returntype="string"> <cfreturn variables.instance.lastName> </cffunction> <cffunction name="setLastName" output="false" access="public" returntype="void"> <cfargument name="val" required="true" type="string"> <cfset variables.instance.lastName=arguments.val> </cffunction> <cffunction name="getEmail" output="false" access="public" returntype="string"> <cfreturn variables.instance.email> </cffunction> <cffunction name="setEmail" output="false" access="public" returntype="void"> <cfargument name="val" required="true" type="string"> <cfset variables.instance.email=arguments.val> </cffunction> <cffunction name="getJobTitle" output="false" access="public" returntype="string"> <cfreturn variables.instance.jobTitle> </cffunction> <cffunction name="setJobTitle" output="false" access="public" returntype="void"> <cfargument name="val" required="true" type="string"> <cfset variables.instance.jobTitle=arguments.val> </cffunction> <cffunction name="getUserId" output="false" access="public" returntype="numeric"> <cfreturn variables.instance.userId> </cffunction> <cffunction name="setUserId" output="false" access="public" returntype="void"> <cfargument name="val" required="true" type="numeric"> <cfset variables.instance.userId=arguments.val> </cffunction> </cfcomponent> [/cc] <strong>I do also have a central delegate but it simply calls this DAO to manage the remote data:</strong> [cc lang="cfm"] <cfcomponent> <!--- Define properties ---> <cfproperty name="datasource" type="string"> <!--- Initialize vars ---> <cfset datasource="EmployeeDirectory"> <cffunction name="getEmployees" returntype="Array"> <cfargument name="userId" default="true" required="false"> <cfset var getEmployees = ""> <cfset var employees = ArrayNew(1)> <cfset var args = StructNew()> <cfquery name="getEmployees" datasource="#datasource#"> SELECT EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL, JOB_TITLE, USER_ID FROM Employees WHERE USER_ID = #arguments.userId# </cfquery> <cfloop query="getEmployees"> <cfscript> args = StructNew(); StructInsert(args, "employeeId", getEmployees.EMPLOYEE_ID); StructInsert(args, "firstName", getEmployees.FIRST_NAME); StructInsert(args, "lastName", getEmployees.LAST_NAME); StructInsert(args, "email", getEmployees.EMAIL); StructInsert(args, "jobTitle", getEmployees.JOB_TITLE); StructInsert(args, "userId", getEmployees.USER_ID); </cfscript> <cfinvoke component="com.everythingflex.employeeDirectory.vo.Employee" method="init" argumentcollection="#args#" returnvariable="employee"> <cfset ArrayAppend(employees, employee)> </cfloop> <cfreturn employees/> </cffunction> <cffunction name="deleteEmployees" returntype="Boolean"> <cfargument name="userId" default="0" required="false"> <cftry> <cfquery name="deleteEmployees" datasource="#datasource#"> DELETE FROM Employees WHERE USER_ID = #arguments.userId# </cfquery> <cfreturn true> <cfcatch> <cfreturn false> </cfcatch> </cftry> </cffunction> <cffunction name="saveEmployees" returntype="numeric"> <cfargument name="employees" type="Array" required="true"> <cfset var returnCount = 0> <cfset var args = ""> <cfscript> deleteEmployees(arguments.employees[1].getUserId()); </cfscript> <cfloop from="1" to="#ArrayLen(employees)#" index="i"> <cfscript> args = StructNew(); StructInsert(args, "employee", employees[i]); </cfscript> <cfinvoke component="com.everythingflex.employeeDirectory.business.Delegate" method="saveEmployee" argumentcollection="#args#" returnvariable="result"> <cfif result> <cfset returnCount = returnCount + 1> </cfif> </cfloop> <cfreturn returnCount/> </cffunction> <cffunction name="saveEmployee" returntype="Boolean"> <cfargument name="employee" type="com.everythingflex.employeeDirectory.vo.Employee"> <cfset var returnVar = true> <cfset var saveEmployee = ""> <cftry> <cfquery name="saveEmployee" datasource="#datasource#"> INSERT INTO Employees (FIRST_NAME, LAST_NAME, EMAIL, JOB_TITLE, USER_ID) VALUES ('#employee.getFirstName()#', '#employee.getLastName()#', '#employee.getEmail()#', '#employee.getJobTitle()#', #employee.getUserId()#) </cfquery> <cfcatch> <cfset returnVar = false> </cfcatch> </cftry> <cfreturn returnVar/> </cffunction> </cfcomponent> [/cc] In this case I am simply passing the Objects to a remote ColdFusion server over AMF. I point my local AS3 object to my remote CFC:
Here is the sample connection:

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<mx:RemoteObject
        id="coldfusionService"
        destination="ColdFusion"
        endpoint="http://mydomain.com/flex2gateway/"
        showBusyCursor="true"
        source="com.everythingflex.employeeDirectory.business.Delegate"
        concurrency="last"
        result="event.token.resultHandler( event )"
        fault="event.token.faultHandler( event )"/>

Employee ActionScript Object

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package com.everythingflex.employeeDirectory.vo
{
    [RemoteClass(alias="com.everythingflex.employeeDirectory.vo.Employee")]
    [Bindable]
    public class Employee
    {
        public var employeeId:Number;
        public var firstName:String;
        public var lastName:String;
        public var email:String;
        public var jobTitle:String;
        public var userId:Number;
    }
}

Employee ColdFusion CFC

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<cfcomponent output="false">

    <cfproperty name="employeeId" type="numeric" required="true" default="">
    <cfproperty name="firstName" type="string" required="true" default="">
    <cfproperty name="lastName" type="string" required="true" default="">
    <cfproperty name="email" type="string" required="true" default="">
    <cfproperty name="jobTitle" type="string" required="true" default="">
    <cfproperty name="userId" type="numeric" required="true" default="">

        <!--- Initialize vars --->
    <cfscript>
        variables.instance["employeeId"]=0;
        variables.instance["firstName"]="";
        variables.instance["lastName"]="";
        variables.instance["email"]="";
        variables.instance["jobTitle"]="";
        variables.instance["userId"]=0;
    </cfscript>

    <!--- Populate data --->
    <cffunction name="init" output="false" access="public" returntype="com.everythingflex.employeeDirectory.vo.Employee">
        <cfargument name="employeeId" type="numeric" required="yes">
        <cfargument name="firstName" type="string" required="yes">
        <cfargument name="lastName" type="string" required="yes">
        <cfargument name="email" type="string" required="yes">
        <cfargument name="jobTitle" type="string" required="yes">
        <cfargument name="userId" type="numeric" required="yes">

        <!--- Save it all --->
        <cfscript>
            setEmployeeId(arguments.employeeId);
            setFirstName(arguments.firstName);
            setLastName(arguments.lastName);
            setEmail(arguments.email);
            setJobTitle(arguments.jobTitle);
            setUserId(arguments.userId);
        </cfscript>

        <cfreturn this>
    </cffunction>

    <cffunction name="getEmployeeId" output="false" access="public" returntype="numeric">
        <cfreturn variables.instance.employeeId>
    </cffunction>
    <cffunction name="setEmployeeId" output="false" access="public" returntype="void">
        <cfargument name="val" required="true" type="numeric">
        <cfset variables.instance.employeeId=arguments.val>
    </cffunction>

    <cffunction name="getFirstName" output="false" access="public" returntype="string">
        <cfreturn variables.instance.firstName>
    </cffunction>
    <cffunction name="setFirstName" output="false" access="public" returntype="void">
        <cfargument name="val" required="true" type="string">
        <cfset variables.instance.firstName=arguments.val>
    </cffunction>

    <cffunction name="getLastName" output="false" access="public" returntype="string">
        <cfreturn variables.instance.lastName>
    </cffunction>
    <cffunction name="setLastName" output="false" access="public" returntype="void">
        <cfargument name="val" required="true" type="string">
        <cfset variables.instance.lastName=arguments.val>
    </cffunction>

    <cffunction name="getEmail" output="false" access="public" returntype="string">
        <cfreturn variables.instance.email>
    </cffunction>
    <cffunction name="setEmail" output="false" access="public" returntype="void">
        <cfargument name="val" required="true" type="string">
        <cfset variables.instance.email=arguments.val>
    </cffunction>

    <cffunction name="getJobTitle" output="false" access="public" returntype="string">
        <cfreturn variables.instance.jobTitle>
    </cffunction>
    <cffunction name="setJobTitle" output="false" access="public" returntype="void">
        <cfargument name="val" required="true" type="string">
        <cfset variables.instance.jobTitle=arguments.val>
    </cffunction>

    <cffunction name="getUserId" output="false" access="public" returntype="numeric">
        <cfreturn variables.instance.userId>
    </cffunction>
    <cffunction name="setUserId" output="false" access="public" returntype="void">
        <cfargument name="val" required="true" type="numeric">
        <cfset variables.instance.userId=arguments.val>
    </cffunction>

</cfcomponent>

I do also have a central delegate but it simply calls this DAO to manage the remote data:

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<cfcomponent>
    <!--- Define properties --->
    <cfproperty name="datasource" type="string">

    <!--- Initialize vars --->
    <cfset datasource="EmployeeDirectory">

    <cffunction name="getEmployees" returntype="Array">
        <cfargument name="userId" default="true" required="false">
        <cfset var getEmployees = "">
        <cfset var employees = ArrayNew(1)>
        <cfset var args = StructNew()>
        <cfquery name="getEmployees" datasource="#datasource#">
            SELECT EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL,
                   JOB_TITLE, USER_ID
            FROM Employees
            WHERE USER_ID = #arguments.userId#
        </cfquery>
        <cfloop query="getEmployees">
            <cfscript>
                args = StructNew();
                StructInsert(args, "employeeId", getEmployees.EMPLOYEE_ID);
                StructInsert(args, "firstName", getEmployees.FIRST_NAME);
                StructInsert(args, "lastName", getEmployees.LAST_NAME);
                StructInsert(args, "email", getEmployees.EMAIL);
                StructInsert(args, "jobTitle", getEmployees.JOB_TITLE);
                StructInsert(args, "userId", getEmployees.USER_ID);
            </cfscript>
            <cfinvoke component="com.everythingflex.employeeDirectory.vo.Employee" method="init"
                    argumentcollection="#args#"
                    returnvariable="employee">
            <cfset ArrayAppend(employees, employee)>
        </cfloop>
        <cfreturn employees/>
    </cffunction>

    <cffunction name="deleteEmployees" returntype="Boolean">
        <cfargument name="userId" default="0" required="false">
        <cftry>
            <cfquery name="deleteEmployees" datasource="#datasource#">
                DELETE
                FROM Employees
                WHERE USER_ID = #arguments.userId#
            </cfquery>
            <cfreturn true>
        <cfcatch>
            <cfreturn false>
        </cfcatch>
        </cftry>
    </cffunction>

    <cffunction name="saveEmployees" returntype="numeric">
        <cfargument name="employees" type="Array" required="true">
        <cfset var returnCount = 0>
        <cfset var args = "">
        <cfscript>
            deleteEmployees(arguments.employees[1].getUserId());
        </cfscript>

        <cfloop from="1" to="#ArrayLen(employees)#" index="i">
            <cfscript>
                args = StructNew();
                StructInsert(args, "employee", employees[i]);
            </cfscript>
            <cfinvoke component="com.everythingflex.employeeDirectory.business.Delegate" method="saveEmployee"
                    argumentcollection="#args#"
                    returnvariable="result">
            <cfif result>
                <cfset returnCount = returnCount + 1>
            </cfif>
        </cfloop>
        <cfreturn returnCount/>
    </cffunction>

    <cffunction name="saveEmployee" returntype="Boolean">
        <cfargument name="employee" type="com.everythingflex.employeeDirectory.vo.Employee">
        <cfset var returnVar = true>
        <cfset var saveEmployee = "">
        <cftry>
            <cfquery name="saveEmployee" datasource="#datasource#">
                INSERT INTO Employees
                    (FIRST_NAME,
                     LAST_NAME,
                     EMAIL,
                     JOB_TITLE,
                     USER_ID)
                VALUES
                    ('#employee.getFirstName()#',
                     '#employee.getLastName()#',
                     '#employee.getEmail()#',
                     '#employee.getJobTitle()#',
                     #employee.getUserId()#)
            </cfquery>
        <cfcatch>
            <cfset returnVar = false>
        </cfcatch>
        </cftry>
        <cfreturn returnVar/>
    </cffunction>

</cfcomponent>
]]> By: Tiago http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/comment-page-1/#comment-357 Tiago Tue, 16 Oct 2007 10:41:09 +0000 http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/#comment-357 Hi Rich, how are you synchronizing the data between the local and the remote DB? Do you have any down loadable example? Thanks, Tiago Hi Rich, how are you synchronizing the data between the local and the remote DB?
Do you have any down loadable example?
Thanks, Tiago

]]> By: Super-simple SQLite example for Adobe AIR 1 Beta « Flash Enabled - Get Ready With Flash… http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/comment-page-1/#comment-356 Super-simple SQLite example for Adobe AIR 1 Beta « Flash Enabled - Get Ready With Flash… Fri, 15 Jun 2007 08:13:10 +0000 http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/#comment-356 [...] but this code can probably be reused by anyone wanting to get started with AIR+SQLite. There are a couple of other AIR+SQLite examples out there to check out and don’t forget the documentation on the [...] [...] but this code can probably be reused by anyone wanting to get started with AIR+SQLite. There are a couple of other AIR+SQLite examples out there to check out and don’t forget the documentation on the [...]

]]> By: EverythingFlex » Blog Archive » AIR Embedded Database Code Exerpts 1 http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/comment-page-1/#comment-355 EverythingFlex » Blog Archive » AIR Embedded Database Code Exerpts 1 Tue, 12 Jun 2007 15:49:31 +0000 http://blog.everythingflex.com/2007/06/11/air-embedded-database-sample-application/#comment-355 [...] are some excerpts for the AIR Embedded Database [...] [...] are some excerpts for the AIR Embedded Database [...]

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