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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) [2021] Payara Foundation and/or its affiliates. All rights reserved.
*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://github.com/payara/Payara/blob/master/LICENSE.txt
* See the License for the specific
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*
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* file and include the License file at glassfish/legal/LICENSE.txt.
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* GPL Classpath Exception:
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* exception as provided by the Payara Foundation in the GPL Version 2 section of the License
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*
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package fish.payara.batch;
import org.glassfish.api.ActionReport;
import org.glassfish.api.Param;
import org.glassfish.api.admin.*;
import org.glassfish.batch.spi.impl.BatchRuntimeConfiguration;
import org.glassfish.batch.spi.impl.BatchRuntimeHelper;
import org.glassfish.hk2.api.PerLookup;
import org.jvnet.hk2.annotations.Service;
import jakarta.batch.runtime.BatchRuntime;
import jakarta.inject.Inject;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.time.LocalDateTime;
import java.util.ServiceConfigurationError;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Cleans the records of job executions from the repository.
*
* @author jonathan coustick
* @since 5.25.0
*/
@Service(name = "clean-jbatch-repository")
@PerLookup
@CommandLock(CommandLock.LockType.NONE)
@ExecuteOn(value = {RuntimeType.INSTANCE})
public class CleanJbatchRepository implements AdminCommand {
@Param(acceptableValues = "ALL,COMPLETED", defaultValue = "COMPLETED", optional = true)
String status;
@Param(optional = true, defaultValue = "1")
int days;
@Param(name = "jobname", primary = true, optional = false)
String jobname;
@Inject
BatchRuntimeHelper batchRuntimeHelper;
@Inject
BatchRuntimeConfiguration config;
@Override
public void execute(AdminCommandContext context) {
ActionReport report = context.getActionReport();
//Initialises databases if they don't already exist, ignore result
try {
BatchRuntime.getJobOperator();
} catch (ServiceConfigurationError error) {
report.setMessage("Could not get JobOperator. Check if the Batch DataSource is configured properly and Check if the Database is up and running");
report.setFailureCause(error);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
return;
}
if (days < 1) {
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage("The value for parameter --day must be 1 or higher.");
return;
}
try {
String dataSourceName = batchRuntimeHelper.getDataSourceLookupName();
InitialContext ctx = new InitialContext();
Object object = ctx.lookup(dataSourceName);
if (object instanceof DataSource) {
DataSource datasource = (DataSource) object;
Feedback feedback = new Feedback();
try (Connection conn = datasource.getConnection()) {
try {
boolean valid = conn.isValid(0);
if (!valid) {
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage("Database not accessible" );
return;
}
} catch (SQLException ex) {
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage("Database not accessible" );
report.setFailureCause(ex);
return;
}
cleanTables(conn, feedback);
} catch (SQLException ex) {
Logger.getLogger("fish.payara.batch").log(Level.SEVERE, "Error cleaning repository with table " + feedback.tableToClean, ex);
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage("Error cleaning repository" );
report.setFailureCause(ex);
}
} else {
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage("Invalid data source type for JBatch");
}
} catch (NamingException ex) {
report.setActionExitCode(ActionReport.ExitCode.FAILURE);
report.setMessage("Unable to get data source for JBatch");
report.setFailureCause(ex);
}
}
private void cleanTables(Connection connection, Feedback feedback) throws SQLException {
try {
connection.setAutoCommit(false);
Timestamp threshold = determineEndTime();
String prefix = config.getTablePrefix();
String suffix = config.getTableSuffix();
String tableStepStatus = prefix + "STEPSTATUS" + suffix;
String tableJobInstanceData = prefix + "JOBINSTANCEDATA" + suffix;
String tableExecutionInstanceData = prefix + "EXECUTIONINSTANCEDATA" + suffix;
String tableStepExecutionInstanceData = prefix + "STEPEXECUTIONINSTANCEDATA" + suffix;
String tableJobStatus = prefix + "JOBSTATUS" + suffix;
String statusCheck1 = "";
String statusCheck2 = "";
if (status.equals("COMPLETED")) {
statusCheck1 = " AND eid.batchstatus = 'COMPLETED'";
statusCheck2 = " AND batchstatus = 'COMPLETED'";
// This is not supported by IBM DB2
// (eid.batchstatus = ? OR ? = 'ALL')
}
feedback.tableToClean = tableStepStatus;
String sql = "DELETE FROM " + tableStepStatus +
" WHERE id IN (SELECT seid.stepexecid "
+ "FROM " + tableJobInstanceData + " jid, " + tableExecutionInstanceData + " eid, " + tableStepExecutionInstanceData + " seid "
+ "WHERE jid.jobinstanceid = eid.jobinstanceid AND eid.jobexecid = seid.jobexecid "
+ "AND jid.name = ? AND eid.endtime < ? " + statusCheck1 + " )";
PreparedStatement deleteStatement = connection.prepareStatement(sql);
deleteStatement.setString(1, jobname);
deleteStatement.setTimestamp(2, threshold);
deleteStatement.execute();
feedback.tableToClean = tableStepExecutionInstanceData;
sql = "DELETE FROM " + tableStepExecutionInstanceData +
" WHERE jobexecid IN (SELECT eid.jobexecid "
+ "FROM " + tableJobInstanceData + " jid, " + tableExecutionInstanceData + " eid WHERE jid.jobinstanceid = eid.jobinstanceid "
+ "AND jid.name = ? AND eid.endtime < ? " + statusCheck1 + " )";
deleteStatement = connection.prepareStatement(sql);
deleteStatement.setString(1, jobname);
deleteStatement.setTimestamp(2, threshold);
deleteStatement.execute();
feedback.tableToClean = tableExecutionInstanceData;
sql = "DELETE FROM " + tableExecutionInstanceData +
" WHERE jobinstanceid IN (SELECT jid.jobinstanceid "
+ "FROM " + tableJobInstanceData + " jid WHERE jid.name = ?) "
+ "AND endtime < ? " + statusCheck2;
deleteStatement = connection.prepareStatement(sql);
deleteStatement.setString(1, jobname);
deleteStatement.setTimestamp(2, threshold);
deleteStatement.execute();
feedback.tableToClean = tableJobStatus;
deleteStatement = connection.prepareStatement("DELETE FROM " + tableJobStatus
+ " WHERE id NOT IN (SELECT DISTINCT jobinstanceid FROM " + tableExecutionInstanceData + ")");
deleteStatement.execute();
feedback.tableToClean = tableJobInstanceData;
deleteStatement = connection.prepareStatement("DELETE FROM " + tableJobInstanceData
+ " WHERE jobinstanceid NOT IN (SELECT DISTINCT jobinstanceid FROM " + tableExecutionInstanceData + ")");
deleteStatement.execute();
connection.commit();
} finally {
connection.rollback();
}
}
private Timestamp determineEndTime() {
LocalDateTime threshold = LocalDateTime.now().minusDays(days);
return java.sql.Timestamp.valueOf(threshold);
}
private static class Feedback {
String tableToClean;
}
}
