org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/parsers/custom/CustomEvent.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010, 2013 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.core.parsers.custom;
  14
  15 import java.text.ParseException;
  16 import java.util.Arrays;
  17 import java.util.HashMap;
  18 import java.util.Map;
  19
  20 import org.eclipse.linuxtools.tmf.core.event.ITmfEventField;
  21 import org.eclipse.linuxtools.tmf.core.event.ITmfEventType;
  22 import org.eclipse.linuxtools.tmf.core.event.TmfEvent;
  23 import org.eclipse.linuxtools.tmf.core.event.TmfEventField;
  24 import org.eclipse.linuxtools.tmf.core.event.TmfEventType;
  25 import org.eclipse.linuxtools.tmf.core.parsers.custom.CustomTraceDefinition.OutputColumn;
  26 import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp;
  27 import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp;
  28 import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestampFormat;
  29 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  30
  31 /**
  32  * Base event for custom text parsers.
  33  *
  34  * @author Patrick Tassé
  35  * @since 3.0
  36  */
  37 public class CustomEvent extends TmfEvent {
  38
  39     /** Input format key */
  40     protected static final String TIMESTAMP_INPUT_FORMAT_KEY = "CE_TS_I_F"; //$NON-NLS-1$
  41
  42     /** Empty message */
  43     protected static final String NO_MESSAGE = ""; //$NON-NLS-1$
  44
  45     /** Replacement for the super-class' timestamp field */
  46     private ITmfTimestamp customEventTimestamp;
  47
  48     /** Replacement for the super-class' content field */
  49     private ITmfEventField customEventContent;
  50
  51     /** Replacement for the super-class' type field */
  52     private ITmfEventType customEventType;
  53
  54     /** The trace to which this event belongs */
  55     protected CustomTraceDefinition fDefinition;
  56
  57     /** The payload data of this event, <field name, value> */
  58     protected Map<String, String> fData;
  59
  60     private TmfEventField[] fColumnData;
  61
  62     /**
  63      * Basic constructor.
  64      *
  65      * @param definition
  66      *            The trace definition to which this event belongs
  67      */
  68     public CustomEvent(CustomTraceDefinition definition) {
  69         fDefinition = definition;
  70         fData = new HashMap<>();
  71     }
  72
  73     /**
  74      * Build a new CustomEvent from an existing TmfEvent.
  75      *
  76      * @param definition
  77      *            The trace definition to which this event belongs
  78      * @param other
  79      *            The TmfEvent to copy
  80      */
  81     public CustomEvent(CustomTraceDefinition definition, TmfEvent other) {
  82         super(other);
  83         fDefinition = definition;
  84         fData = new HashMap<>();
  85
  86         /* Set our overridden fields */
  87         customEventTimestamp = other.getTimestamp();
  88         customEventContent = other.getContent();
  89         customEventType = other.getType();
  90     }
  91
  92     /**
  93      * Full constructor
  94      *
  95      * @param definition
  96      *            Trace definition of this event
  97      * @param parentTrace
  98      *            Parent trace object
  99      * @param timestamp
 100      *            Timestamp of this event
 101      * @param source
 102      *            Source of the event
 103      * @param type
 104      *            Event type
 105      * @param reference
 106      *            Event reference
 107      */
 108     public CustomEvent(CustomTraceDefinition definition, ITmfTrace parentTrace,
 109             ITmfTimestamp timestamp, String source, TmfEventType type,
 110             String reference) {
 111         /* Do not use upstream's fields for stuff we override */
 112         super(parentTrace, null, source, null, null, reference);
 113         fDefinition = definition;
 114         fData = new HashMap<>();
 115
 116         /* Set our overridden fields */
 117         customEventTimestamp = timestamp;
 118         customEventContent = null;
 119         customEventType = type;
 120     }
 121
 122     // ------------------------------------------------------------------------
 123     // Overridden getters
 124     // ------------------------------------------------------------------------
 125
 126     @Override
 127     public ITmfTimestamp getTimestamp() {
 128         if (fData != null) {
 129             processData();
 130         }
 131         return customEventTimestamp;
 132     }
 133
 134     @Override
 135     public ITmfEventField getContent() {
 136         return customEventContent;
 137     }
 138
 139     @Override
 140     public ITmfEventType getType() {
 141         return customEventType;
 142     }
 143
 144     // ------------------------------------------------------------------------
 145     // Setters
 146     // ------------------------------------------------------------------------
 147
 148     /**
 149      * Set this event's timestamp
 150      *
 151      * @param timestamp
 152      *            The new timestamp
 153      */
 154     protected void setTimestamp(ITmfTimestamp timestamp) {
 155         customEventTimestamp = timestamp;
 156     }
 157
 158     /**
 159      * Set this event's content
 160      *
 161      * @param content
 162      *            The new content
 163      */
 164     protected void setContent(ITmfEventField content) {
 165         customEventContent = content;
 166     }
 167
 168     /**
 169      * Set this event's type
 170      *
 171      * @param type
 172      *            The new type
 173      */
 174     protected void setType(ITmfEventType type) {
 175         customEventType = type;
 176     }
 177
 178     // ------------------------------------------------------------------------
 179     // Other operations
 180     // ------------------------------------------------------------------------
 181
 182     /**
 183      * @return The event fields
 184      */
 185     public TmfEventField[] extractItemFields() {
 186         if (fData != null) {
 187             processData();
 188         }
 189         return Arrays.copyOf(fColumnData, fColumnData.length);
 190     }
 191
 192     private void processData() {
 193         String timestampString = fData.get(CustomTraceDefinition.TAG_TIMESTAMP);
 194         String timestampInputFormat = fData.get(TIMESTAMP_INPUT_FORMAT_KEY);
 195         TmfTimestamp timestamp = null;
 196         if (timestampInputFormat != null && timestampString != null) {
 197             TmfTimestampFormat timestampFormat = new TmfTimestampFormat(timestampInputFormat);
 198             try {
 199                 long time = timestampFormat.parseValue(timestampString);
 200                 timestamp = new TmfTimestamp(time, ITmfTimestamp.NANOSECOND_SCALE);
 201                 setTimestamp(timestamp);
 202             } catch (ParseException e) {
 203                 setTimestamp(TmfTimestamp.ZERO);
 204             }
 205         } else {
 206             setTimestamp(TmfTimestamp.ZERO);
 207         }
 208
 209         int i = 0;
 210         fColumnData = new TmfEventField[fDefinition.outputs.size()];
 211         for (OutputColumn outputColumn : fDefinition.outputs) {
 212             String value = fData.get(outputColumn.name);
 213             if (outputColumn.name.equals(CustomTraceDefinition.TAG_TIMESTAMP) && timestamp != null) {
 214                 TmfTimestampFormat timestampFormat = new TmfTimestampFormat(fDefinition.timeStampOutputFormat);
 215                 fColumnData[i++] = new TmfEventField(outputColumn.name, timestampFormat.format(timestamp.getValue()), null);
 216             } else {
 217                 fColumnData[i++] = new TmfEventField(outputColumn.name, (value != null ? value : ""), null); //$NON-NLS-1$
 218             }
 219         }
 220         CustomEventContent curContent = (CustomEventContent) getContent();
 221         setContent(new CustomEventContent(curContent.getName(), curContent.getValue(), fColumnData));
 222         fData = null;
 223     }
 224
 225     @Override
 226     public int hashCode() {
 227         final int prime = 31;
 228         int result = super.hashCode();
 229         result = prime * result + ((fDefinition == null) ? 0 : fDefinition.hashCode());
 230         result = prime * result + ((customEventTimestamp == null) ? 0 : customEventTimestamp.hashCode());
 231         result = prime * result + ((customEventContent == null) ? 0 : customEventContent.hashCode());
 232         result = prime * result + ((customEventType == null) ? 0 : customEventType.hashCode());
 233         return result;
 234     }
 235
 236     @Override
 237     public boolean equals(Object obj) {
 238         if (this == obj) {
 239             return true;
 240         }
 241         if (!super.equals(obj)) {
 242             return false;
 243         }
 244         if (!(obj instanceof CustomEvent)) {
 245             return false;
 246         }
 247         CustomEvent other = (CustomEvent) obj;
 248         if (fDefinition == null) {
 249             if (other.fDefinition != null) {
 250                 return false;
 251             }
 252         } else if (!fDefinition.equals(other.fDefinition)) {
 253             return false;
 254         }
 255
 256         if (customEventTimestamp == null) {
 257             if (other.customEventTimestamp != null) {
 258                 return false;
 259             }
 260         } else if (!customEventTimestamp.equals(other.customEventTimestamp)) {
 261             return false;
 262         }
 263
 264         if (customEventContent == null) {
 265             if (other.customEventContent != null) {
 266                 return false;
 267             }
 268         } else if (!customEventContent.equals(other.customEventContent)) {
 269             return false;
 270         }
 271
 272         if (customEventType == null) {
 273             if (other.customEventType != null) {
 274                 return false;
 275             }
 276         } else if (!customEventType.equals(other.customEventType)) {
 277             return false;
 278         }
 279
 280         return true;
 281     }
 282
 283 }