Java tutorial
/******************************************************************************* * Copyright (c) 2 apr. 2014 NetXForge. * * This program is free software: you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free Software * Foundation, either version 3 of the License, or (at your option) any later * version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> * * Contributors: Christophe Bouhier - initial API and implementation and/or * initial documentation *******************************************************************************/ package com.netxforge.netxstudio.screens.f4; import java.util.Date; import org.eclipse.core.databinding.observable.map.IObservableMap; import org.eclipse.emf.cdo.common.id.CDOIDUtil; import org.eclipse.emf.ecore.util.EcoreUtil; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.jface.viewers.LabelProviderChangedEvent; import org.eclipse.jface.viewers.ViewerCell; import com.netxforge.base.NonModelUtils; import com.netxforge.netxstudio.common.model.StudioUtils; import com.netxforge.netxstudio.scheduling.ComponentWorkFlowRun; import com.netxforge.netxstudio.scheduling.Job; import com.netxforge.netxstudio.scheduling.JobRunState; import com.netxforge.netxstudio.scheduling.JobState; import com.netxforge.netxstudio.scheduling.MetricSourceJob; import com.netxforge.netxstudio.scheduling.NodeReporterJob; import com.netxforge.netxstudio.scheduling.OperatorReporterJob; import com.netxforge.netxstudio.scheduling.RFSServiceMonitoringJob; import com.netxforge.netxstudio.scheduling.RFSServiceReporterJob; import com.netxforge.netxstudio.scheduling.RetentionJob; import com.netxforge.netxstudio.screens.f4.Jobs.SchedulerStartStopAction; import com.netxforge.netxstudio.screens.f4.Jobs.TriggerAddon; import com.netxforge.screens.editing.base.util.ObservableMapStyledCellLabelProvider; class JobsObervableMapLabelProvider extends ObservableMapStyledCellLabelProvider implements org.eclipse.jface.util.IPropertyChangeListener { /** * Keep a reference to our {@link Jobs} screen. */ private final Jobs jobsScreen; public JobsObervableMapLabelProvider(Jobs jobs, IObservableMap[] attributeMaps) { super(attributeMaps); jobsScreen = jobs; } public String getColumnText(Object element, int columnIndex) { if (element instanceof Job) { Job j = (Job) element; switch (columnIndex) { case 0: { if (j instanceof MetricSourceJob) { return "Metric Import"; // + ((MetricSourceJob) j).getMetricSource() // .getName(); } if (j instanceof RFSServiceMonitoringJob) { return "Monitoring"; // + ((RFSServiceJob) j).getRFSService() // .getServiceName(); } if (j instanceof RetentionJob) { return "Data Retention"; // + ((RFSServiceRetentionJob) j).getRFSService() // .getServiceName(); } if (j instanceof RFSServiceReporterJob) { return "Service Reporting"; // + ((ReporterJob) j).getRFSService() // .getServiceName(); } if (j instanceof OperatorReporterJob) { return "Operator Reporting"; // + ((ReporterJob) j).getRFSService() // .getServiceName(); } if (j instanceof NodeReporterJob) { return "Node Reporting"; // + ((ReporterJob) j).getRFSService() // .getServiceName(); } } case 1: { return j.getName(); } case 2: { JobState state = j.getJobState(); if (state == JobState.ACTIVE) { return "Active"; } else { return "Not Active"; } } // Scheduled start time Column, not the starttime (creation time // of the job). case 3: TriggerAddon addon = (TriggerAddon) EcoreUtil.getAdapter(j.eAdapters(), TriggerAddon.class); if (addon != null) { // When running, the trigger time, will be the next time it will fire as if it ws not running. // As we prevent the job to execute twice, we should give feedback about this case // with decoration of the text / styled... return addon.getTriggerTime(); } return ""; // End Column case 4: if (j.getEndTime() != null) { Date d = NonModelUtils.fromXMLDate(j.getEndTime()); return NonModelUtils.date(d) + " @ " + NonModelUtils.time(d); } break; case 5: return new Integer(j.getRepeat()).toString(); case 6: if (j.getInterval() > 0) { String fromSeconds = NonModelUtils.fromSeconds(j.getInterval()); return fromSeconds; } break; case 7: if (jobsScreen.getRunningWFR() != null) { ComponentWorkFlowRun cwfr = jobsScreen.getRunningWFR(); Job jobForWorkflowRun = StudioUtils.jobForWorkflowRun(cwfr); if (CDOIDUtil.equals(jobForWorkflowRun.cdoID(), j.cdoID())) { if (cwfr.getState() == JobRunState.RUNNING) { // Start a job to update the cell. StringBuilder sb = new StringBuilder(); sb.append(cwfr.getState().getLiteral()); sb.append("- " + cwfr.getProgressMessage()); return sb.toString(); } else { return cwfr.getState().getLiteral(); } } else { } } else { // waiting for update state, when the scheduler is // running and the Job is active. if (jobsScreen.isRunning && j.getJobState() == JobState.ACTIVE) { return "waiting for update..."; } return ""; // clear the label } break; } } return ""; } public void propertyChange(PropertyChangeEvent event) { if (event.getSource() instanceof SchedulerStartStopAction) { Object newValue = event.getNewValue(); // Guard for the object type? this.fireLabelProviderChanged(new LabelProviderChangedEvent(this, newValue)); } } @Override public void update(ViewerCell cell) { int columnIndex = cell.getColumnIndex(); Object element = cell.getElement(); cell.setText(getColumnText(element, columnIndex)); super.update(cell); } }