Talend In One Day

Basic Components	Explanation
tFileInputDelimited	Reads any Delimited .txt or .csv file and
tFileOutputDelimited	Silimar and generates a delimited output file -.csv
tFIleInputXML	Reads any XML file as input and extract the Xpath. Store the XML in any location. Specify the Xpath Loop expression <employee> Fields to extract<empname>,<DOB>
tRowGenerator	Genarates rows sequentially. Go to Talend Data Fabric and select the functions accordingly. OrderID,Date sequences gets auto generated. Similar to a Oracle Sequence
tFixedFlowInput	Manually creates Fixed dataset. BasicSettings->Create 2 columns State_Cd,State_Nm and enter static values Change No Of Rows and it generates static rows accordingly InlineTable allows to add Multiple rows and multiplies with the rows * no. of columns
tMap	Performs Join between 2 input files Expr.Key performs the actual join. row1 and row2 need to be joined with a common coloumn in the Expr.key
tSample	Generates sequential numbers as a field in the output.Range can be changed in the Basic settings
tJava	Run an Java standalone Core Java code in Basic settings
tSalesforceBulkExec	Give the SalesForce Webservice SOAP URL with username and password. Get the mySF0.1 from the Salesforce Metadata
tLibraryLoad	Upload any external Library(JAR file) which can be called from tJava.The tJava utility can be invoked with OnComponentOk

Big Data Components	Explanation
tHDFSConnection	Establishes a connection to a HDFS system Distribution:Apache NameNodeURI:hdfs://10.140.6.125:9000/ Username: <username of the virtual machine> tHDFSConnection OnsubjobOK can be connected to tRowGenerator and tLogrow which ends with tHDFSOutput_1
tHDFSOutput	Generates the Output and stores in the Hadoop system Filename:\user\hadoop\talendoutput\out.txt Action: Create Run the Program Go to HDFS, hadoop fs -ls /user/hadoop/talendoutput hadoop fs -cat /user/hadoop/talendoutput/out.txt
tHDFSInput	To retrive data from Hadoop HDFS file. Make the tHDFSConnection Make the tHDFSInput Enter Filename /user/hadoop/talendoutput/out.txt and Fieldseparator Connect with tLogrow