ctf: Handle traces with unknown event attributes

[deliverable/tracecompass.git] / org.eclipse.linuxtools.lttng2.kernel.ui / src / org / eclipse / linuxtools / internal / lttng2 / kernel / ui / views / resources / ResourcesEntry.java

/*******************************************************************************\r
 * Copyright (c) 2012 Ericsson\r
 *\r
 * All rights reserved. This program and the accompanying materials are\r
 * made available under the terms of the Eclipse Public License v1.0 which\r
 * accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 *\r
 * Contributors:\r
 *   Patrick Tasse - Initial API and implementation\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.resources;\r
\r
import java.util.ArrayList;\r
import java.util.Iterator;\r
import java.util.List;\r
\r
import org.eclipse.linuxtools.internal.lttng2.kernel.ui.views.common.EventIterator;\r
import org.eclipse.linuxtools.lttng2.kernel.core.trace.CtfKernelTrace;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;\r
import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;\r
\r
/**\r
 * An entry, or row, in the resource view\r
 *\r
 * @author Patrick Tasse\r
 */\r
public class ResourcesEntry implements ITimeGraphEntry {\r
\r
    /** Type of resource */\r
    public static enum Type {\r
        /** Null resources (filler rows, etc.) */\r
        NULL,\r
        /** Entries for CPUs */\r
        CPU,\r
        /** Entries for IRQs */\r
        IRQ,\r
        /** Entries for Soft IRQ */\r
        SOFT_IRQ }\r
\r
    private final int fQuark;\r
    private final CtfKernelTrace fTrace;\r
    private ITimeGraphEntry fParent = null;\r
    private final ITimeGraphEntry[] children = null;\r
    private final String fName;\r
    private final Type fType;\r
    private final int fId;\r
    private long fStartTime;\r
    private long fEndTime;\r
    private List<ITimeEvent> fEventList = new ArrayList<ITimeEvent>();\r
    private List<ITimeEvent> fZoomedEventList = null;\r
\r
    /**\r
     * Standard constructor\r
     *\r
     * @param quark\r
     *            The quark of the state system attribute whose state is shown\r
     *            on this row\r
     * @param trace\r
     *            The trace that this view is talking about\r
     * @param type\r
     *            Type of entry, see the Type enum\r
     * @param id\r
     *            The integer id associated with this entry or row\r
     */\r
    public ResourcesEntry(int quark, CtfKernelTrace trace, Type type, int id) {\r
        fQuark = quark;\r
        fTrace = trace;\r
        fType = type;\r
        fId = id;\r
        fName = type.toString() + ' ' + Integer.toString(id);\r
    }\r
\r
    @Override\r
    public ITimeGraphEntry getParent() {\r
        return fParent;\r
    }\r
\r
    @Override\r
    public boolean hasChildren() {\r
        return children != null && children.length > 0;\r
    }\r
\r
    @Override\r
    public ITimeGraphEntry[] getChildren() {\r
        return children;\r
    }\r
\r
    @Override\r
    public String getName() {\r
        return fName;\r
    }\r
\r
    @Override\r
    public long getStartTime() {\r
        return fStartTime;\r
    }\r
\r
    @Override\r
    public long getEndTime() {\r
        return fEndTime;\r
    }\r
\r
    @Override\r
    public boolean hasTimeEvents() {\r
        return true;\r
    }\r
\r
    @Override\r
    public Iterator<ITimeEvent> getTimeEventsIterator() {\r
        return new EventIterator(fEventList, fZoomedEventList);\r
    }\r
\r
    @Override\r
    public Iterator<ITimeEvent> getTimeEventsIterator(long startTime, long stopTime, long visibleDuration) {\r
        return new EventIterator(fEventList, fZoomedEventList, startTime, stopTime);\r
    }\r
\r
    /**\r
     * Assign a parent entry to this one, to organize them in a tree in the\r
     * view.\r
     *\r
     * @param parent\r
     *            The parent entry\r
     */\r
    public void setParent(ITimeGraphEntry parent) {\r
        fParent = parent;\r
    }\r
\r
    /**\r
     * Retrieve the attribute quark that's represented by this entry.\r
     *\r
     * @return The integer quark\r
     */\r
    public int getQuark() {\r
        return fQuark;\r
    }\r
\r
    /**\r
     * Retrieve the trace that is associated to this Resource view.\r
     *\r
     * @return The LTTng 2 kernel trace\r
     */\r
    public CtfKernelTrace getTrace() {\r
        return fTrace;\r
    }\r
\r
    /**\r
     * Get the entry Type of this entry. Uses the inner Type enum.\r
     *\r
     * @return The entry type\r
     */\r
    public Type getType() {\r
        return fType;\r
    }\r
\r
    /**\r
     * Get the integer ID associated with this entry.\r
     *\r
     * @return The ID\r
     */\r
    public int getId() {\r
        return fId;\r
    }\r
\r
    /**\r
     * Assign the target event list to this view.\r
     *\r
     * @param eventList\r
     *            The list of time events\r
     */\r
    public void setEventList(List<ITimeEvent> eventList) {\r
        fEventList = eventList;\r
        if (eventList != null && eventList.size() > 0) {\r
            fStartTime = eventList.get(0).getTime();\r
            ITimeEvent lastEvent = eventList.get(eventList.size() - 1);\r
            fEndTime = lastEvent.getTime() + lastEvent.getDuration();\r
        }\r
    }\r
\r
    /**\r
     * Assign the zoomed event list to this view.\r
     *\r
     * @param eventList\r
     *            The list of "zoomed" time events\r
     */\r
    public void setZoomedEventList(List<ITimeEvent> eventList) {\r
        fZoomedEventList = eventList;\r
    }\r
}\r