Database component in mule demo

1. By
Sudha Ch

2.  The main motto of this PPT is how to use
Database component in our applications.

3.  The Database connector allows you to
connect with almost any Java Database
Connectivity (JDBC) relational database using
a single interface for every case. The
Database connector allows you to run diverse
SQL operations on your database, including
Select, Insert, Update, Delete, and even
Stored Procedures.

5.  .mflow
 <?xml version="1.0" encoding="UTF-8"?>
 <mule xmlns:jdbc-ee="http://www.mulesoft.org/schema/mule/ee/jdbc" xmlns:http="http://www.mulesoft.org/schema/mule/http"
xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"
xmlns:spring="http://www.springframework.org/schema/beans" version="EE-3.4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-
instance" xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-current.xsd
 http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd
 http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd
 http://www.mulesoft.org/schema/mule/ee/jdbc http://www.mulesoft.org/schema/mule/ee/jdbc/current/mule-jdbc-ee.xsd">
 <jdbc-ee:mssql-data-source name="MS_SQL_Data_Source" user=“**" password=“****"
url="jdbc:sqlserver://localhost;databaseName=test1" transactionIsolation="UNSPECIFIED" doc:name="MS SQL Data Source"/>
 <jdbc-ee:connector name="Database" dataSource-ref="MS_SQL_Data_Source" validateConnections="true" queryTimeout="-1"
pollingFrequency="0" doc:name="Database"/>
 <flow name="Database_ComponentFlow1" doc:name="Database_ComponentFlow1">
 <http:inbound-endpoint exchange-pattern="request-response" host="localhost" port="8087" path="database"
doc:name="HTTP"/>
 <logger message="--main flow--" level="INFO" doc:name="Logger"/>
 <jdbc-ee:outbound-endpoint exchange-pattern="request-response" queryKey="select" queryTimeout="-1" connector-
ref="Database" doc:name="Database">
 <jdbc-ee:query key="select" value="select * from mytable"/>
 </jdbc-ee:outbound-endpoint>
 <logger message="--Result is--#[payload]" level="INFO" doc:name="Logger"/>
 </flow>
 </mule>

6.  Output:
 INFO 2015-10-03 17:34:29,440 [[Database Component].config.change.2.thread.1]
org.mule.DefaultMuleContext:
 **********************************************************************
 * Application: Database Component *
 * OS encoding: Cp1252, Mule encoding: UTF-8 *
 * *
 * Agents Running: *
 * Clustering Agent *
 * JMX Agent *
 **********************************************************************
 INFO 2015-10-03 17:34:29,441 [[Database Component].config.change.2.thread.1]
org.mule.module.launcher.MuleDeploymentService:
 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 + Started app 'Database Component' +
 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 INFO 2015-10-03 17:34:35,704 [[Database Component].connector.http.mule.default.receiver.02]
org.mule.api.processor.LoggerMessageProcessor: --main flow--
 INFO 2015-10-03 17:34:35,705 [[Database Component].connector.http.mule.default.receiver.02]
org.mule.lifecycle.AbstractLifecycleManager: Initialising: 'Database.dispatcher.1030403796'. Object is:
EEJdbcMessageDispatcher
 INFO 2015-10-03 17:34:35,705 [[Database Component].connector.http.mule.default.receiver.02]
org.mule.lifecycle.AbstractLifecycleManager: Starting: 'Database.dispatcher.1030403796'. Object is:
EEJdbcMessageDispatcher
 INFO 2015-10-03 17:34:35,815 [[Database Component].connector.http.mule.default.receiver.02]
org.mule.api.processor.LoggerMessageProcessor: --Result is--[{subj=Hindi, marks=55, name=Ramesh, id=1},
{subj=English, marks=65, name=Mahesh, id=2}, {subj=science, marks=75, name=Pavan, id=3}, {subj=social,
marks=45, name=Siva, id=4}]

7.  Flow of execution:
1. URL to trigger the service from browser
http://localhost:8087/database
2. Database component connects to the specific
database, executes the select query and prints
the result

8.  https://docs.mulesoft.com/mule-user-
guide/v/3.7/database-connector