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<!DOCTYPE html>
<htmllang="en">
<metahttp-equiv="content-type" content="text/html;charset=utf-8" />
<head>
<metacharset="utf-8" />
<title>CloudBoost SDK Reference</title>
<linkrel="shortcut icon" href="/favicon.ico" type="image/x-icon">
<linkrel="stylesheet" type="text/css" href="assets/css/site.css" media="screen" />
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</head>
<bodyclass="api-docs node">
<divid="background"></div>
<divid="header">
<ahref="https://www.cloudboost.io">
<imgsrc="assets/images/logoc81e.png" height="40" style="float:left;margin-top:5px" />
</a>
<divclass="navigation">
<divclass="signin">
<aid='signin' href="https://dashboard.cloudboost.io/accounts">
<span>Sign In</span>
</a>
</div>
<ulclass="global">
<li><ahref="https://docs.cloudboost.io" class="selected">Documentation</a></li>
<li><ahref="https://cloudboost.io/quickstart" target="_blank">Quickstart</a></li>
<li><ahref="http://stackoverflow.com/questions/ask?tags=cloudboost" target="_blank">Help & Support</a></li>
</ul>
</div>
</div>
<divid="guide">
<pclass="ref-title">Overview</p>
<ulclass="ref-list">
<liclass="section">
<ahref="#Introduction" class="parent viewing">Introduction</a>
</li>
<liclass="section">
<ahref="#Dependencies" class="parent">Dependencies</a>
</li>
<liclass="section">
<ahref="#Apps" class="parent">Apps</a>
</li>
</ul>
<pclass="ref-title">Features</p>
<ulclass="ref-list">
<liclass="section section-charges">
<ahref="#CloudApp" class="parent">App</a>
<spanclass="children">
<ahref="#CloudApp-init" class="parent">Initialize App</a>
</span>
</li>
<liclass="section section-charges">
<ahref="#CloudObject" class="parent">Object</a>
<spanclass="children">
<ahref="#CloudObject-constructor" class="parent">Constructor</a>
<ahref="#CloudObject-set" class="parent">Set</a>
<ahref="#CloudObject-get" class="parent">Get</a>
<ahref="#CloudObject-unset" class="parent">Unset</a>
<ahref="#CloudObject-save" class="parent">Save</a>
<ahref="#CloudObject-fetch" class="parent">Fetch</a>
<ahref="#CloudObject-delete" class="parent">Delete</a>
<ahref="#CloudObject-searchable" class="parent">Index for Search</a>
<ahref="#CloudObject-on" class="parent">Notification</a>
<ahref="#CloudObject-expires" class="parent">Expires</a>
</span>
</li>
<liclass="section section-charges"><ahref="#Relationships" class="parent">Relationships</a>
<spanclass="children">
<ahref="#Relationships-oneToOne" class="parent">One-to-One</a>
<ahref="#Relationships-onetoMany" class="parent">One-to-Many</a>
<ahref="#Relationships-manyToMany" class="parent">Many-to-many</a>
</span>
</li>
<liclass="section section-charges"><ahref="#CloudQuery" class="parent">Query</a>
<spanclass="children">
<ahref="#CloudQuery-constructor" class="parent">Constructor</a>
<ahref="#CloudQuery-equalTo" class="parent">Equal To</a>
<ahref="#CloudQuery-containedIn" class="parent">Contained In</a>
<ahref="#CloudQuery-containsAll" class="parent">Contains All</a>
<ahref="#CloudQuery-startsWith" class="parent">Starts With</a>
<ahref="#CloudQuery-notEqualTo" class="parent">Not Equal To</a>
<ahref="#CloudQuery-notContainedIn" class="parent">Not Contained In</a>
<ahref="#CloudQuery-greaterThan" class="parent">Greater Than</a>
<ahref="#CloudQuery-greaterThanEqualTo" class="parent">Greater Than and Equal To</a>
<ahref="#CloudQuery-lessThan" class="parent">Less Than</a>
<ahref="#CloudQuery-lessThanEqualTo" class="parent">Less than and equal to</a>
<ahref="#CloudQuery-or" class="parent">Or</a>
<ahref="#CloudQuery-orderByAsc" class="parent">Order by</a>
<ahref="#CloudQuery-setLimit" class="parent">Limit</a>
<ahref="#CloudQuery-setSkip" class="parent">Skip</a>
<ahref="#CloudQuery-selectColumn" class="parent">Select Column</a>
<ahref="#CloudQuery-exists" class="parent">Exists</a>
<ahref="#CloudQuery-doesNotExists" class="parent">Does not exist</a>
<ahref="#CloudQuery-find" class="parent">Find</a>
<ahref="#CloudQuery-findOne" class="parent">Find One</a>
<ahref="#CloudQuery-get" class="parent">Get</a>
<ahref="#CloudQuery-count" class="parent">Count</a>
<ahref="#CloudQuery-distinct" class="parent">Distinct</a>
<ahref="#CloudQuery-paginate" class="parent">Paginate</a>
</span>
</li>
<liclass="section section-charges"><ahref="#CloudNotifcations" class="parent">Notifications</a>
<spanclass="children">
<ahref="#CloudNotification-on" class="parent">Subscribe</a>
<ahref="#CloudNotification-publish" class="parent">Publish</a>
<ahref="#CloudNotification-off" class="parent">Unsubscribe</a>
</span>
</li>
<liclass="section section-charges"><ahref="#CloudSearch" class="parent">Search</a>
<spanclass="children">
<ahref="#CloudSearch-constructor" class="parent">Constructor</a>
<ahref="#CloudSearch-searchOn" class="parent">Search On</a>
<ahref="#CloudSearch-equalTo" class="parent">Equal To</a>
<ahref="#CloudSearch-notEqualTo" class="parent">Not Equal To</a>
<ahref="#CloudSearch-greaterThan" class="parent">Greater Than</a>
<ahref="#CloudSearch-greaterThanEqualTo" class="parent">Greater Than and Equal To</a>
<ahref="#CloudSearch-lessThan" class="parent">Less Than</a>
<ahref="#CloudSearch-lessThanEqualTo" class="parent">Less than and equal to</a>
<ahref="#CloudSearch-or" class="parent">OR</a>
<ahref="#CloudSearch-orderByAsc" class="parent">Order by</a>
<ahref="#CloudSearch-setLimit" class="parent">Limit</a>
<ahref="#CloudSearch-setSkip" class="parent">Skip</a>
<ahref="#CloudSearch-exists" class="parent">Exists</a>
<ahref="#CloudSearch-doesNotExists" class="parent">Does not exist</a>
<ahref="#CloudSearch-search" class="parent">Search</a>
</span>
</li>
<liclass="section section-charges"><ahref="#ACL" class="parent">ACL</a>
<spanclass="children">
<ahref="#ACL-constructor" class="parent">Constructor</a>
<ahref="#ACL-setPublicWriteAccess" class="parent">Public Write Access</a>
<ahref="#ACL-setPublicReadAccess" class="parent">Public Read Access</a>
<ahref="#ACL-setUserWriteAccess" class="parent">User Write Access</a>
<ahref="#ACL-setUserReadAccess" class="parent">User Read Access</a>
<ahref="#ACL-setRoleWriteAccess" class="parent">Role Write Access</a>
<ahref="#ACL-setRoleReadAccess" class="parent">Role Read Access</a>
</span>
</li>
<liclass="section section-charges"><ahref="#CloudUser" class="parent">User</a>
<spanclass="children">
<ahref="#CloudUser-constructor" class="parent">Constructor</a>
<ahref="#CloudUser-signUp" class="parent">Signup</a>
<ahref="#CloudUser-logIn" class="parent">Login</a>
<ahref="#CloudUser-logOut" class="parent">Logout</a>
<ahref="#CloudUser-addToRole" class="parent">Add To Role</a>
<ahref="#CloudUser-isInRole" class="parent">Is In Role</a>
<ahref="#CloudUser-removeFromRole" class="parent">Remove from Role</a>
</span>
</li>
<liclass="section section-charges"><ahref="#CloudRole" class="parent">Role</a>
<spanclass="children">
<ahref="#CloudRole-constructor" class="parent">Constructor</a>
<ahref="#CloudRole-getRole" class="parent">Get Role</a>
</span>
</li>
<liclass="section section-charges"><ahref="#CloudFile" class="parent">File</a>
<spanclass="children">
<ahref="#CloudFile-constructor" class="parent">Constructor</a>
<ahref="#CloudFile-save" class="parent">Save</a>
<ahref="#CloudFile-delete" class="parent">Delete</a>
</span>
</li>
<liclass="section section-charges"><ahref="#CloudPush" class="parent">Push</a>
<spanclass="children">
<ahref="#CloudPush-constructor" class="parent">Constructor</a>
<ahref="#CloudPush-addDevice" class="parent">addDevice</a>
<ahref="#CloudPush-subscribe" class="parent">subscribe</a>
<ahref="#CloudPush-unSubscribe" class="parent">unSubscribe</a>
<ahref="#CloudPush-send" class="parent">send</a>
</span>
</li>
<liclass="section section-charges"><ahref="#Contribute" class="parent">Contribute</a>
</li>
</ul>
</div>
<!-- api docs -->
<divid="api-docs">
<aid="top" name="top" class="section-anchor"> </a>
<divid="methods">
<divclass="border"></div>
<divid="language">
<aid="javascript-sdk" class="language" href="javascript.html">JavaScript</a>
<aid="java-sdk" class="language" href="java.html">Java</a>
<aid="dotnet-sdk" class="language" href="dotnet.html">.Net</a>
<aid="curl-sdk" class="language" href="curl.html">cURL</a>
<aid="others-swagger" class="language" href="swagger">Others</a>
</div>
<divclass="method">
<aid='Introduction' name="Introduction" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h1>API Reference</h1>
<p>
The CloudBoost API is organized around <ahref="http://en.wikipedia.org/wiki/Representational_State_Transfer">REST</a>. Our API is designed to have predictable, resource-oriented URLs and to use HTTP response codes to indicate API errors. We use built-in HTTP features, like HTTP authentication and HTTP verbs, which can be understood by off-the-shelf HTTP clients, and we support <ahref="http://en.wikipedia.org/wiki/Cross-origin_resource_sharing">cross-origin resource sharing</a> to allow you to interact securely with our API from a client-side web application / mobile application (though you should remember that you should never expose your secret API master key in any public website's client-side code, Client Key can be exposed). <ahref="http://www.json.org/">JSON</a> will be returned in all responses from the API, including errors (though if you're using API bindings / SDK, we will convert the response to the appropriate language-specific object).
</p>
</div>
<divclass="method-example" id="api-summary-example">
<h3>Java SDK</h3>
<h4>GitHub :</h4><ahref="https://github.com/CloudBoost/JavaSDK">
<code>https://github.com/CloudBoost/JavaSDK</code>
</a><br/>
</div>
</div>
</div>
<divclass="method">
<aid='Dependencies' name="Dependencies" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h1>Dependencies</h1>
<p>
This SDK require few external libraries.
<ul>
<li><ahref="">Google-gson Libraray</a></li>
<li><ahref="">Socket.io Engine</a></li>
<li><ahref="">Socket.io Client</a></li>
</ul>
All the dependent libraries are included in Cloudboost Sdk zip file. Download and import these libraries in your java project.
</p>
</div>
<divclass="method-example" id="api-summary-example">
</div><!-- method-example -->
</div><!-- method-section -->
</div><!-- method -->
<divclass="method">
<aid='Apps' name="Apps" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h1>Apps</h1>
<p>
In Cloudboost, you create an app each of which has its own AppID, Java
Client Key and the Master Key that you apply to your web app. You master key is a secret which should not be shared in your client apps. Your account on CloudBoost can accommodate multiple apps.
This is useful even if you have one application, since you can deploy different versions for test and production.
</p>
</div>
<divclass="method-example" id="api-summary-example">
</div>
</div>
</div>
<divclass="method">
<aid='CloudApp' name="CloudApp" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h1>CloudApp</h1>
<p>
This is your CloudApp object, and it is used to initalize your app with CloudBoost.
</p>
</div>
<divclass="method-example" id="api-summary-example">
</div>
</div>
<aid='CloudApp-init' name="CloudApp-init" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudApp.init( <code>appId, appKey</code> )</h3>
<p>
Initialises the app.
</p>
<p>
<i>ClientKey</i> and <i>MasterKey</i> are the two keys that are provided for each app your create.
If you want a client of your app have access to CloudBoost API, its <b>recommended</b> you only share <i>ClientKey</i> with your app.
<br/>
We dont recommend initialising your app with <i>MasterKey</i> unless you install our API and make requests from your server.
</p>
<divclass="method-list">
<h3>Package</h3>
<p>
<code>import io.cloudboost.CloudApp;</code>
</p>
<h6>Arguments</h6>
<dlclass="argument-list">
<dt>appId</dt>
<ddclass="">Application ID <span>with which your app is registered.</span></dd>
<divclass="clearfix"></div>
<dt>appKey</dt>
<ddclass="">Client/Master key <span>unique for your app</span></dd>
<divclass="clearfix"></div>
<divclass="clearfix"></div>
</dl>
<h6>Returns</h6>
<p>It doesn't return anything.</p>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js java">
final String myAppId = "schoolApp";
final String myKey = "d1bae1c6978e3ecd3d5c8a0095767c9c";
CloudApp.init(myAppId, myKey);
</span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
</div><!-- method -->
<divclass="method">
<aid='CloudObject' name="CloudObject" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h1>CloudObject</h1>
<p>
Your data in CloudBoost is represented with CloudObjects <code>CloudObject</code>. Each <code>CloudObject</code>
belongs to a table in your database with us and each objct represents a row of data in that table. The data you can store in CloudObject has schema which you define in Table Designer in CloudBoost portal. You
simply set whatever key-value pairs you want, and our backend will store it for you.
</p>
</div>
<divclass="method-example" id="api-summary-example">
</div>
</div>
<aid='CloudObject-constructor' name="CloudObject-constructor" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>Package</h3>
<p>
<code>import io.cloudboost.CloudObject;</code>
</p>
<h3>Constructor</h3>
<p>
Instantiates a <code>CloudObject</code> object.
</p>
<divclass="method-list">
<h6>Argument</h6>
<dlclass="argument-list">
<dt>tableName</dt>
<ddclass="">string <span>The name of the table you want to deal with</span></dd>
<divclass="clearfix"></div>
</dl>
<h6>Returns</h6>
<p>It returns an instance of a CloudObject, because its a constructor. </p>
</div>
<divclass="method-list">
<h6>Properties</h6>
<p>Every instance of CloudObject has these properties </p>
<dlclass="argument-list">
<dt>id</dt>
<ddclass="">string <span>The id of the CloudObject which is populated after the object is saved.</span></dd>
<divclass="clearfix"></div>
<dt>createdAt</dt>
<ddclass="">Date <span>The Date and time when the object was saved in the database.</span></dd>
<divclass="clearfix"></div>
<dt>updatedAt</dt>
<ddclass="">Date <span>The Date and time when the object was updated in the database.</span></dd>
<divclass="clearfix"></div>
<dt>isSearchable</dt>
<ddclass="">boolean <span>Set this to true if you want this object to be indexe for search and is accessible with CloudSearch</span></dd>
<divclass="clearfix"></div>
<dt>ACL</dt>
<ddclass="">ACL <span>Access Control List, by defualt this object is publicily readbale and writable. You set object leevel security here. Refer ACL's</span></dd>
<divclass="clearfix"></div>
</dl>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node">
<spanclass="highlight_js javascript">
/*
*creates an object for Student table
*all the CloudBoost functionality.
*/
CloudObject obj = new CloudObject("Student");
</span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-set' name="CloudObject-set" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.set( <code>columnName, data</code> )</h3>
<p>
Sets the value of an attribute of a <code>CloudObject</code> object.
</p>
<divclass="method-list">
<h6>Arguments</h6>
<dlclass="argument-list">
<dt>columnName</dt>
<ddclass="">string <span>The name of the column whose value is to be set.</span></dd>
<divclass="clearfix"></div>
<dt>data</dt>
<ddclass="">Any data<span>The value which is to be stored in the column.</span></dd>
<divclass="clearfix"></div>
</dl>
<h6>Returns</h6>
<p>void</p>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObject obj = new CloudObject("Student"); //create a new object.
obj.set("name", "John Smith"); //store string
obj.set("age", 21); // store number
Map<String, Object> address = new HashMap<String,Object>();
address.put("city","Hyderabad");
address.put("state", "Telangana");
address.put("country","India");
address.put("zip", 500046);
obj.set("address",address);
</span></span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-get' name="CloudObject-get" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.get( <code>columnName</code> )</h3>
<p>
Gets the value of an column of an instance of <code>CloudObject</code> object.
</p>
<divclass="method-list">
<h6>Argument</h6>
<dlclass="argument-list">
<dt>columnName</dt>
<ddclass="">string <span>The name of the column whose value is to be fetched.</span></dd>
<divclass="clearfix"></div>
</dl>
<h6>Returns</h6>
<p>It returns <code>undefined</code> if the attribute is not set previously otherwise
returns the value of column which was previously set. Type of the value is an Object type which can be cast to an aproperiate data type</p>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
Map<String,Object> getAddressObject = new HashMap<String,Object>();
getAddressObject = (Map<String, Object>)obj.get("address"); //get the data.
address will be a Map Object
String city = (String)getAddressObject.get("city");
String state = (String)getAddressObject.get("state");
which was saved using object.set
String name = (String)obj.get("name");
</span></span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-unset' name="CloudObject-unset" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.unset( <code>columnName, [callback]</code> )</h3>
<p>
Sets the value of an column of a <code>CloudObject</code> object to <code>null</code>.
</p>
<divclass="method-list">
<h6>Argument</h6>
<dlclass="argument-list">
<dt>columnName</dt>
<ddclass="">string <span>The name of the column which is to be unset.</span></dd>
<divclass="clearfix"></div>
</dl>
<h6>Returns</h6>
<p>void</p>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObject obj = new CloudObject("Student");
obj.set("name", "John Smith");
obj.get("name"); //returns John Smith.
obj.unset("name");
obj.get("name"); //returns null.
</span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-save' name="CloudObject-save" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.save()</h3>
<p>
Saves the <code>CloudObject</code> object to CloudBoost.
</p>
<divclass="method-list">
<h6>Argument</h6>
<dlclass="argument-list">
<dt>callback</dt>
<ddclass="">Callback interface object <span>Override the success and error method. both method do not take any argument.</span></dd>
<divclass="clearfix"></div>
<h6>Error Handling</h6>
<p>It throws <code>CloudBoostException</code></p>
<divclass="clearfix"></div>
</dl>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObject obj = new CloudObject("Student");
obj.set("name", "Smith");
CloudObjectCallback callbackObj = new CloudObjectCallback(){
@Override
public void done(CloudObject x,CloudException e){
//
}
};
obj.save(callbackObj);
</span></span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-fetch' name="CloudObject-fetch" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.fetch()</h3>
<p>
Refreshes a <code>CloudObject</code> object to by fetching its values from the database.
</p>
<divclass="method-list">
<h6>Error Handling</h6>
<p>It throws <code>CloudBoostException</code></p>
<divclass="clearfix"></div>
</dl>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObjectCallback callbackObj = new CloudObjectCallback(){
@Override
public void done(CloudObject x,CloudException e){
//
}
};
obj.fetch(callbackObj);
</span></span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-delete' name="CloudObject-delete" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.delete()</h3>
<p>
Delete a <code>CloudObject</code> object, if it is saved in the database.
</p>
<divclass="method-list">
<h6>Error Handling</h6>
<p>It throws <code>CloudBoostException</code></p>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObjectCallback callbackObj = new CloudObjectCallback(){
@Override
public void done(CloudObject x,CloudException e){
//
}
};
obj.delete(callbackObj);
</span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-searchable' name="CloudObject-searchable" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.isSearchable</h3>
<p>
Indexes <code>CloudObject</code> for search using CloudSearch.
</p>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObject obj = new CloudObject('Student');
obj.set("name", "John Smith");
obj.setIsSearchable(true); //index this object for Search
</span></span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-on' name="CloudObject-on" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.on( <code> tableName, eventType, functionToFire</code>)</h3>
<p>
Realtime Notifications : Listens to <code>CloudObject</code> events like insert, update, delete in the database.
</p>
<divclass="method-list">
<h6>Argument</h6>
<dlclass="argument-list">
<dt>tableName</dt>
<ddclass="">String <span> Name of the table on which you want to listen for events.
respective response.</span></dd>
<divclass="clearfix"></div>
<dt>eventType</dt>
<ddclass="">String / Array<span> Type of an event you want to listen to, Only <code> created, updated, deleted </code> are supported values.</span></dd>
<divclass="clearfix"></div>
<dt>functiontoFire</dt>
<ddclass="">Function <span> Your custom function to fire when the event occours</dd>
<divclass="clearfix"></div>
<divclass="clearfix"></div>
</dl>
<h6>Returns</h6>
<p>void</p>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
//listen to an event
//intializing CloudNotificationMethod, and overriding methods
CloudNotificationCallback callbackObj = new CloudNotificationCallback(){
@Override
public void done(Object data,CloudException e) {
// override this function as per your requirnment.
System.out.println("message : " + data);
}
};
CloudObject.on("Student", "created", callbackObj);
</span></span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-off' name="CloudObject-off" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.off( <code> tableName, eventType </code>)</h3>
<p>
Realtime Notifications : Switches off listening to <code>CloudObject</code> events like insert, update, delete in the database.
</p>
<divclass="method-list">
<h6>Argument</h6>
<dlclass="argument-list">
<dt>tableName</dt>
<ddclass="">String <span> Name of the table on which you want to stop listening for events to.
respective response.</span></dd>
<divclass="clearfix"></div>
<dt>eventType</dt>
<ddclass="">String / Array<span> Type of an event you want to stop listening to, Only <code> created, updated, deleted </code> are supported values.</span></dd>
<divclass="clearfix"></div>
<divclass="clearfix"></div>
</dl>
<h6>Returns</h6>
<p>void</p>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
//stop listening to an event
CloudObject.off("Student","created");
</span></span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudObject-expires' name="CloudObject-expires" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudObject.expires</h3>
<p>
Sets the expiration time for <code>CloudObject</code>. Expiration time is to be given as number of
milliseconds from 1 Jan 1970.
</p>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObject obj = new CloudObject("Student");
obj.set("name", "John Smith");
Date date = new Date(2015, 12, 25);
expire = date.getTime()+1000;
obj.setExpires(expires); //Set the expire time for object Student
</span></span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
</div><!-- method -->
<divclass="method">
<aid='Relationships' name="Relationships" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h1>Relationships</h1>
<p>
This section is dedicated to modelling relationships with CloudBoost.
</p>
<p>
There are usually three types of relationships.
<ul>
<li>
One-to-One Relationship
</li>
<li>
One-to-many Relationship
</li>
<li>
Many-to-many Relationship
</li>
</ul>
</p>
</div>
<divclass="method-example" id="api-summary-example">
</div><!-- method-example -->
</div><!-- method-section -->
<aid='Relationships-oneToOne' name="Relationships-oneToOne" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>One-to-One Relationship</h3>
<p>
If you want to model one-to-one relationship. Then you need to create a new column of type <code> Relation </code> pointed to a table which you want it to be related to and set that column <code> Unique </code> property to true.
</p>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObject student = new CloudObject("Student");
CloudObject address = new CloudObject("Address");
/*
*here one student can only have one address for example.
*address column of Student Table is pointed to the Address Table with unique set to true.
*/
student.set("address", address);
CloudObjectCallback callbackObj = new CloudObjectCallback(){
@Override
public void done(CloudObject obj,CloudException e) {
//
}
};
obj.save(callbackObj);
</span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='Relationships-oneToMany' name="Relationships-oneToMany" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>One-to-Many Relationship</h3>
<p>
If you want to model one-to-many relationship. Then you need to create a new column of type <code> Relation </code> pointed to a table which you want it to be related to and set that column <code> Unique </code> property to false.
</p>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
CloudObject teacher = new CloudObject("Teacher");
CloudObject course = new CloudObject("Course");
/*
*here one teacher be assigned to many courses.
*address column of Student Table is pointed to the Address Table with unique set to true.
*/
course.set("teacher", address);
CloudObjectCallback callbackObj = new CloudObjectCallback(){
@Override
public void done(CloudObject obj,CloudException e) {
//
}
};
obj.save(callbackObj);
</span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='Relationships-manyToMany' name="Relationships-manyToMany" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>Many-to-Many Relationship</h3>
<p>
If you want to model many-to-many relationship. Then you have two options<br/>
<ol>
<li><b>#1 - Relation Option</b></li>
<li><b>#2 - List Option</b></li>
</ol>
We will discuss both of these options below. <br/><br/><br/>
<h4>Relation Option</h4>
<p> This option is recommended only if you have huge number of relationships assigned to any one object. </p>
<p> This relationship can be created by creating a third table and having two columns that are relatied to tables you want to have many to many relationships on. </p>
<br/><br/><br/><br/><br/><br/><br/><br/>
<h4>List Option</h4>
<p> This option is recommended only if you have small number of relationships assigned to any one object. </p>
<p> This relationship can be created by creating an array and having related objects pushed to that array and having that array saved in any column of the table. </p>
</p>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">
//Type #1 : Relation Option
CloudObject student = new CloudObject("Student");
CloudObject course = new CloudObject("Course");
//here one student be into many courses, and vice versa.
CloudObject studentCourse = new CloudObject('StudentCourse');
studentCourse.set("student", student);
studentCourse.set("teacher", teacher);
CloudObjectCallback callbackObj = new CloudObjectCallback(){
@Override
public void done(CloudObject obj,CloudException e) {
//
}
};
obj.save(callbackObj);
// ======================================================
//Type #2 : List Option.
CloudObject student = new CloudObject("Student");
//create an array.
ArrayList courseList = [];
//a new course
CloudObject course = new CloudObject("Course");
//add it to the list. You can push any number of objects you need.
courseList.add(course);
//here one student be into many courses, and vice versa.
student.set("courses", courseList);
CloudObjectCallback callbackObj = new CloudObjectCallback(){
@Override
public void done(CloudObject obj,CloudException e) {
//
}
};
obj.save(callbackObj);
</span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
</div>
<!-- CloudQuery Section -->
<divclass="method">
<aid='CloudQuery' name="CloudQuery" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h1>CloudQuery</h1>
<p>
It encapsulates a set of methods and attributes required to query your data in
CloudApp to retrieve desired set of results.
</p>
</div>
<divclass="method-example" id="api-summary-example">
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudQuery-constructor' name="CloudQuery-constructor" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>Package</h3>
<p>
<code>import io.cloudboost.CloudQuery;</code>
</p>
<h3>Constructor</h3>
<p>
Instantiates a <code>CloudQuery</code> object.
</p>
<divclass="method-list">
<h6>Argument</h6>
<dlclass="argument-list">
<dt>tableName</dt>
<ddclass="">string <span>The name of the table you want to query on.</span></dd>
<divclass="clearfix"></div>
</dl>
<h6>Returns</h6>
<p>void</p>
</div>
</div>
<divclass="method-example" id="api-summary-example">
<codeclass="method-request"><spanclass="prompt"></span><spanclass="lang lang-node"><spanclass="highlight_js javascript">CloudQuery query = new CloudQuery("Student");</span></span></code>
</div><!-- method-example -->
</div><!-- method-section -->
<aid='CloudQuery-equalTo' name="CloudQuery-equalTo" class="section-anchor"> </a>
<divclass="method-section">
<divclass="method-description">
<h3>CloudQuery.equalTo( <code>columnName, data</code> )</h3>
<p>
It adds a contriant for finding the subset of the data in which
<code>columnName</code> is equal to <code>data</code>.
</p>
<divclass="method-list">
<h6>Arguments</h6>
<dlclass="argument-list">