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demo-twitter4j.ktr
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<?xml version="1.0" encoding="UTF-8"?>
<transformation>
<info>
<name>demo-twitter4j</name>
<description/>
<extended_description/>
<trans_version/>
<trans_type>Normal</trans_type>
<trans_status>0</trans_status>
<directory>/</directory>
<parameters>
<parameter>
<name>FILTERS</name>
<default_value>obama,pentaho,#storm,#bigdata</default_value>
<description>Comma separated list of keywords for which to search</description>
</parameter>
<parameter>
<name>OUTPUT_DIR</name>
<default_value>/home/storm</default_value>
<description/>
</parameter>
<parameter>
<name>TIMEOUT</name>
<default_value>15</default_value>
<description>Seconds until stream is stopped</description>
</parameter>
</parameters>
<log>
<trans-log-table><connection/>
<schema/>
<table/>
<size_limit_lines/>
<interval/>
<timeout_days/>
<field><id>ID_BATCH</id><enabled>Y</enabled><name>ID_BATCH</name></field><field><id>CHANNEL_ID</id><enabled>Y</enabled><name>CHANNEL_ID</name></field><field><id>TRANSNAME</id><enabled>Y</enabled><name>TRANSNAME</name></field><field><id>STATUS</id><enabled>Y</enabled><name>STATUS</name></field><field><id>LINES_READ</id><enabled>Y</enabled><name>LINES_READ</name><subject/></field><field><id>LINES_WRITTEN</id><enabled>Y</enabled><name>LINES_WRITTEN</name><subject/></field><field><id>LINES_UPDATED</id><enabled>Y</enabled><name>LINES_UPDATED</name><subject/></field><field><id>LINES_INPUT</id><enabled>Y</enabled><name>LINES_INPUT</name><subject/></field><field><id>LINES_OUTPUT</id><enabled>Y</enabled><name>LINES_OUTPUT</name><subject/></field><field><id>LINES_REJECTED</id><enabled>Y</enabled><name>LINES_REJECTED</name><subject/></field><field><id>ERRORS</id><enabled>Y</enabled><name>ERRORS</name></field><field><id>STARTDATE</id><enabled>Y</enabled><name>STARTDATE</name></field><field><id>ENDDATE</id><enabled>Y</enabled><name>ENDDATE</name></field><field><id>LOGDATE</id><enabled>Y</enabled><name>LOGDATE</name></field><field><id>DEPDATE</id><enabled>Y</enabled><name>DEPDATE</name></field><field><id>REPLAYDATE</id><enabled>Y</enabled><name>REPLAYDATE</name></field><field><id>LOG_FIELD</id><enabled>Y</enabled><name>LOG_FIELD</name></field><field><id>EXECUTING_SERVER</id><enabled>N</enabled><name>EXECUTING_SERVER</name></field><field><id>EXECUTING_USER</id><enabled>N</enabled><name>EXECUTING_USER</name></field><field><id>CLIENT</id><enabled>N</enabled><name>CLIENT</name></field></trans-log-table>
<perf-log-table><connection/>
<schema/>
<table/>
<interval/>
<timeout_days/>
<field><id>ID_BATCH</id><enabled>Y</enabled><name>ID_BATCH</name></field><field><id>SEQ_NR</id><enabled>Y</enabled><name>SEQ_NR</name></field><field><id>LOGDATE</id><enabled>Y</enabled><name>LOGDATE</name></field><field><id>TRANSNAME</id><enabled>Y</enabled><name>TRANSNAME</name></field><field><id>STEPNAME</id><enabled>Y</enabled><name>STEPNAME</name></field><field><id>STEP_COPY</id><enabled>Y</enabled><name>STEP_COPY</name></field><field><id>LINES_READ</id><enabled>Y</enabled><name>LINES_READ</name></field><field><id>LINES_WRITTEN</id><enabled>Y</enabled><name>LINES_WRITTEN</name></field><field><id>LINES_UPDATED</id><enabled>Y</enabled><name>LINES_UPDATED</name></field><field><id>LINES_INPUT</id><enabled>Y</enabled><name>LINES_INPUT</name></field><field><id>LINES_OUTPUT</id><enabled>Y</enabled><name>LINES_OUTPUT</name></field><field><id>LINES_REJECTED</id><enabled>Y</enabled><name>LINES_REJECTED</name></field><field><id>ERRORS</id><enabled>Y</enabled><name>ERRORS</name></field><field><id>INPUT_BUFFER_ROWS</id><enabled>Y</enabled><name>INPUT_BUFFER_ROWS</name></field><field><id>OUTPUT_BUFFER_ROWS</id><enabled>Y</enabled><name>OUTPUT_BUFFER_ROWS</name></field></perf-log-table>
<channel-log-table><connection/>
<schema/>
<table/>
<timeout_days/>
<field><id>ID_BATCH</id><enabled>Y</enabled><name>ID_BATCH</name></field><field><id>CHANNEL_ID</id><enabled>Y</enabled><name>CHANNEL_ID</name></field><field><id>LOG_DATE</id><enabled>Y</enabled><name>LOG_DATE</name></field><field><id>LOGGING_OBJECT_TYPE</id><enabled>Y</enabled><name>LOGGING_OBJECT_TYPE</name></field><field><id>OBJECT_NAME</id><enabled>Y</enabled><name>OBJECT_NAME</name></field><field><id>OBJECT_COPY</id><enabled>Y</enabled><name>OBJECT_COPY</name></field><field><id>REPOSITORY_DIRECTORY</id><enabled>Y</enabled><name>REPOSITORY_DIRECTORY</name></field><field><id>FILENAME</id><enabled>Y</enabled><name>FILENAME</name></field><field><id>OBJECT_ID</id><enabled>Y</enabled><name>OBJECT_ID</name></field><field><id>OBJECT_REVISION</id><enabled>Y</enabled><name>OBJECT_REVISION</name></field><field><id>PARENT_CHANNEL_ID</id><enabled>Y</enabled><name>PARENT_CHANNEL_ID</name></field><field><id>ROOT_CHANNEL_ID</id><enabled>Y</enabled><name>ROOT_CHANNEL_ID</name></field></channel-log-table>
<step-log-table><connection/>
<schema/>
<table/>
<timeout_days/>
<field><id>ID_BATCH</id><enabled>Y</enabled><name>ID_BATCH</name></field><field><id>CHANNEL_ID</id><enabled>Y</enabled><name>CHANNEL_ID</name></field><field><id>LOG_DATE</id><enabled>Y</enabled><name>LOG_DATE</name></field><field><id>TRANSNAME</id><enabled>Y</enabled><name>TRANSNAME</name></field><field><id>STEPNAME</id><enabled>Y</enabled><name>STEPNAME</name></field><field><id>STEP_COPY</id><enabled>Y</enabled><name>STEP_COPY</name></field><field><id>LINES_READ</id><enabled>Y</enabled><name>LINES_READ</name></field><field><id>LINES_WRITTEN</id><enabled>Y</enabled><name>LINES_WRITTEN</name></field><field><id>LINES_UPDATED</id><enabled>Y</enabled><name>LINES_UPDATED</name></field><field><id>LINES_INPUT</id><enabled>Y</enabled><name>LINES_INPUT</name></field><field><id>LINES_OUTPUT</id><enabled>Y</enabled><name>LINES_OUTPUT</name></field><field><id>LINES_REJECTED</id><enabled>Y</enabled><name>LINES_REJECTED</name></field><field><id>ERRORS</id><enabled>Y</enabled><name>ERRORS</name></field><field><id>LOG_FIELD</id><enabled>N</enabled><name>LOG_FIELD</name></field></step-log-table>
<metrics-log-table><connection/>
<schema/>
<table/>
<timeout_days/>
<field><id>ID_BATCH</id><enabled>Y</enabled><name>ID_BATCH</name></field><field><id>CHANNEL_ID</id><enabled>Y</enabled><name>CHANNEL_ID</name></field><field><id>LOG_DATE</id><enabled>Y</enabled><name>LOG_DATE</name></field><field><id>METRICS_DATE</id><enabled>Y</enabled><name>METRICS_DATE</name></field><field><id>METRICS_CODE</id><enabled>Y</enabled><name>METRICS_CODE</name></field><field><id>METRICS_DESCRIPTION</id><enabled>Y</enabled><name>METRICS_DESCRIPTION</name></field><field><id>METRICS_SUBJECT</id><enabled>Y</enabled><name>METRICS_SUBJECT</name></field><field><id>METRICS_TYPE</id><enabled>Y</enabled><name>METRICS_TYPE</name></field><field><id>METRICS_VALUE</id><enabled>Y</enabled><name>METRICS_VALUE</name></field></metrics-log-table>
</log>
<maxdate>
<connection/>
<table/>
<field/>
<offset>0.0</offset>
<maxdiff>0.0</maxdiff>
</maxdate>
<size_rowset>10000</size_rowset>
<sleep_time_empty>50</sleep_time_empty>
<sleep_time_full>50</sleep_time_full>
<unique_connections>N</unique_connections>
<feedback_shown>Y</feedback_shown>
<feedback_size>50000</feedback_size>
<using_thread_priorities>Y</using_thread_priorities>
<shared_objects_file/>
<capture_step_performance>N</capture_step_performance>
<step_performance_capturing_delay>1000</step_performance_capturing_delay>
<step_performance_capturing_size_limit>100</step_performance_capturing_size_limit>
<dependencies>
</dependencies>
<partitionschemas>
</partitionschemas>
<slaveservers>
</slaveservers>
<clusterschemas>
</clusterschemas>
<created_user>-</created_user>
<created_date>2013/10/04 17:08:58.902</created_date>
<modified_user>-</modified_user>
<modified_date>2013/10/04 17:08:58.902</modified_date>
</info>
<notepads>
</notepads>
<order>
<hop> <from>Get Twitter Search results</from><to>Text file output</to><enabled>Y</enabled> </hop>
</order>
<step>
<name>Get Twitter Search results</name>
<type>UserDefinedJavaClass</type>
<description/>
<distribute>Y</distribute>
<custom_distribution/>
<copies>1</copies>
<partitioning>
<method>none</method>
<schema_name/>
</partitioning>
<definitions>
<definition>
<class_type>TRANSFORM_CLASS</class_type>
<class_name>RowProcessor</class_name>
<class_source><![CDATA[import twitter4j.*;
import twitter4j.auth.*;
import twitter4j.conf.*;
import java.util.ArrayList;
import java.util.Arrays;
private int tickCounter = 0;
private int timeout = 0;
private TwitterStream twitterStream = null;
private StatusListener listener = new StatusListener() {
public void onStatus(Status status) throws KettleException {
incrementLinesInput();
logDebug("@" + status.getUser().getScreenName() + " - " + status.getText());
Object[] r = createOutputRow(new Object[0], getOutputRowMeta().size());
int index = 0;
r[index++] = status.getCreatedAt();
r[index++] = Long.valueOf(status.getId());
r[index++] = (status.getInReplyToStatusId()!=-1)?Long.valueOf(status.getInReplyToStatusId()):null;
r[index++] = status.getText().replace("\n"," ");
r[index++] = Long.valueOf(status.getUser().getId());
r[index++] = status.getUser().getScreenName();
putRow(getOutputRowMeta(), r);
}
public void onDeletionNotice(StatusDeletionNotice statusDeletionNotice) {
incrementLinesRejected();
logDebug("Got a status deletion notice id:" + statusDeletionNotice.getStatusId());
}
public void onTrackLimitationNotice(int numberOfLimitedStatuses) {
logDebug("Got track limitation notice:" + numberOfLimitedStatuses);
}
public void onScrubGeo(long userId, long upToStatusId) {
logDebug("Got scrub_geo event userId:" + userId + " upToStatusId:" + upToStatusId);
}
public void onStallWarning(StallWarning warning) {
incrementLinesSkipped();
logDebug("Got stall warning:" + warning);
}
public void onException(Exception ex) {
if (ex instanceof NullPointerException && ex.getMessage().equals("Inflater has been closed")) {
// https://groups.google.com/forum/#!topic/twitter4j/XRKR1vBasy0
logDebug("Got the Inflater finalize bug exception");
} else {
logError("Got an exception:", ex);
setErrors(1);
}
}
};
public RowMetaInterface getOutputRowMeta()
{
return data.outputRowMeta;
}
public boolean processRow(StepMetaInterface smi, StepDataInterface sdi) throws KettleException
{
if (first) {
first = false;
twitterStream.addListener(listener);
// Fire off the stream filter which will repeatedly callback into the listener
twitterStream.filter(new FilterQuery(0, null, getVariable("FILTERS","obama").split(",")));
//twitterStream.sample();
timeout = Integer.valueOf(getVariable("TIMEOUT","15"));
}
try {
Thread.sleep(1000);
incrementLinesRead();
if (tickCounter++ >= timeout) {
logBasic("Finished "+tickCounter+" seconds of streaming");
setOutputDone();
return false;
}
} catch (InterruptedException e) {
logError("Caught InterruptedException.");
setErrors(1);
}
return true;
}
public boolean init(StepMetaInterface stepMetaInterface, StepDataInterface stepDataInterface) {
if (super.init(stepMetaInterface, stepDataInterface)) {
try {
twitterStream = new TwitterStreamFactory().getInstance();
return true;
} catch (Exception ex) {
logError("Got an exception:", ex);
setErrors(1);
}
}
return false;
}
public void dispose(StepMetaInterface smi, StepDataInterface sdi)
{
try {
if (twitterStream != null) {
logDebug("Stopping stream...");
twitterStream.shutdown();
logDebug("Stream is stopped.");
}
} catch (Exception e) {
logError("Error:", e);
setErrors(1);
}
parent.disposeImpl(smi, sdi);
}
]]></class_source>
</definition>
</definitions>
<fields>
<field>
<field_name>createdAt</field_name>
<field_type>Date</field_type>
<field_length>-1</field_length>
<field_precision>-1</field_precision>
</field>
<field>
<field_name>statusId</field_name>
<field_type>Integer</field_type>
<field_length>15</field_length>
<field_precision>-1</field_precision>
</field>
<field>
<field_name>inReplyToStatusId</field_name>
<field_type>Integer</field_type>
<field_length>15</field_length>
<field_precision>-1</field_precision>
</field>
<field>
<field_name>statusText</field_name>
<field_type>String</field_type>
<field_length>1000</field_length>
<field_precision>-1</field_precision>
</field>
<field>
<field_name>userId</field_name>
<field_type>Integer</field_type>
<field_length>15</field_length>
<field_precision>-1</field_precision>
</field>
<field>
<field_name>userName</field_name>
<field_type>String</field_type>
<field_length>1000</field_length>
<field_precision>-1</field_precision>
</field>
</fields><clear_result_fields>N</clear_result_fields>
<info_steps></info_steps><target_steps></target_steps><usage_parameters></usage_parameters> <cluster_schema/>
<remotesteps> <input> </input> <output> </output> </remotesteps> <GUI>
<xloc>100</xloc>
<yloc>100</yloc>
<draw>Y</draw>
</GUI>
</step>
<step>
<name>Text file output</name>
<type>TextFileOutput</type>
<description/>
<distribute>Y</distribute>
<custom_distribution/>
<copies>1</copies>
<partitioning>
<method>none</method>
<schema_name/>
</partitioning>
<separator> </separator>
<enclosure>"</enclosure>
<enclosure_forced>Y</enclosure_forced>
<enclosure_fix_disabled>N</enclosure_fix_disabled>
<header>Y</header>
<footer>N</footer>
<format>UNIX</format>
<compression>None</compression>
<encoding>UTF-8</encoding>
<endedLine/>
<fileNameInField>N</fileNameInField>
<fileNameField/>
<create_parent_folder>N</create_parent_folder>
<file>
<name>${OUTPUT_DIR}/tweets</name>
<is_command>N</is_command>
<servlet_output>N</servlet_output>
<do_not_open_new_file_init>Y</do_not_open_new_file_init>
<extention>txt</extention>
<append>N</append>
<split>N</split>
<haspartno>N</haspartno>
<add_date>N</add_date>
<add_time>N</add_time>
<SpecifyFormat>N</SpecifyFormat>
<date_time_format/>
<add_to_result_filenames>Y</add_to_result_filenames>
<pad>N</pad>
<fast_dump>Y</fast_dump>
<splitevery>0</splitevery>
</file>
<fields>
<field>
<name>createdAt</name>
<type>Date</type>
<format/>
<currency/>
<decimal/>
<group/>
<nullif/>
<trim_type>both</trim_type>
<length>-1</length>
<precision>-1</precision>
</field>
<field>
<name>statusId</name>
<type>Integer</type>
<format>0</format>
<currency/>
<decimal>.</decimal>
<group>,</group>
<nullif/>
<trim_type>both</trim_type>
<length>-1</length>
<precision>-1</precision>
</field>
<field>
<name>inReplyToStatusId</name>
<type>Integer</type>
<format>0</format>
<currency/>
<decimal>.</decimal>
<group>,</group>
<nullif/>
<trim_type>both</trim_type>
<length>-1</length>
<precision>-1</precision>
</field>
<field>
<name>statusText</name>
<type>String</type>
<format/>
<currency/>
<decimal/>
<group/>
<nullif/>
<trim_type>both</trim_type>
<length>-1</length>
<precision>-1</precision>
</field>
<field>
<name>userId</name>
<type>Integer</type>
<format>0</format>
<currency/>
<decimal>.</decimal>
<group>,</group>
<nullif/>
<trim_type>both</trim_type>
<length>-1</length>
<precision>-1</precision>
</field>
<field>
<name>userName</name>
<type>String</type>
<format/>
<currency/>
<decimal/>
<group/>
<nullif/>
<trim_type>both</trim_type>
<length>-1</length>
<precision>-1</precision>
</field>
</fields>
<cluster_schema/>
<remotesteps> <input> </input> <output> </output> </remotesteps> <GUI>
<xloc>250</xloc>
<yloc>100</yloc>
<draw>Y</draw>
</GUI>
</step>
<step_error_handling>
</step_error_handling>
<slave-step-copy-partition-distribution>
</slave-step-copy-partition-distribution>
<slave_transformation>N</slave_transformation>
<attributes><group><name>DataService</name>
</group></attributes>
</transformation>