package org.wamblee.crawler.kiss.main;
-import java.util.EnumMap;
+import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;
-import org.dom4j.DocumentFactory;
-import org.dom4j.Element;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
import org.wamblee.crawler.kiss.guide.Program;
+import org.wamblee.crawler.kiss.guide.TimeInterval;
import org.wamblee.crawler.kiss.guide.Program.RecordingResult;
/**
*/
public class ProgramActionExecutor {
- /**
- * A map of category name to a set of program. Useful for displaying the
- * output of possibly interesting programs on a per category basis.
- */
- private Map<String, Set<Program>> _interestingShows;
+ private static final Log LOG = LogFactory
+ .getLog(ProgramActionExecutor.class);
/**
- * Set of programs to record.
+ * Map of priority to set of programs.
*/
- private Set<Program> _showsToRecord;
-
+ private Map<Integer, Set<Program>> _showsToRecord;
+
/**
- * Map or recording result to a set of programs.
+ * Report to use.
*/
- private EnumMap<RecordingResult, Set<Program>> _recordings;
+ private Report _report;
/**
* Constructs the program action executor.
*
*/
- public ProgramActionExecutor() {
- _interestingShows = new TreeMap<String, Set<Program>>();
- _showsToRecord = new TreeSet<Program>(new Program.TimeSorter());
- _recordings = new EnumMap<RecordingResult, Set<Program>>(
- RecordingResult.class);
- for (RecordingResult result : RecordingResult.values()) {
- _recordings.put(result, new TreeSet<Program>(
- new Program.TimeSorter()));
- }
+ public ProgramActionExecutor(Report aReport) {
+ _showsToRecord = new TreeMap<Integer, Set<Program>>();
+ _report = aReport;
}
/**
* Program to record.
*/
public void recordProgram(int aPriority, Program aProgram) {
- _showsToRecord.add(aProgram);
+ LOG.info("priority = " + aPriority + ", program: " + aProgram);
+ // Putting -priority into the set makes sure that iteration order
+ // over the priorities will go from higher priority to lower priority.
+ Set<Program> programs = _showsToRecord.get(-aPriority);
+ if (programs == null) {
+ programs = new TreeSet<Program>(new Program.TimeComparator());
+ _showsToRecord.put(-aPriority, programs);
+ }
+ programs.add(aProgram);
}
/**
* Program.
*/
public void interestingProgram(String aCategory, Program aProgram) {
- Set<Program> programs = _interestingShows.get(aCategory);
- if (programs == null) {
- programs = new TreeSet<Program>(new Program.TimeSorter());
- _interestingShows.put(aCategory, programs);
- }
- programs.add(aProgram);
+ LOG.info("category = '" + aCategory + "', program: " + aProgram);
+ _report.interestingProgram(aCategory, aProgram);
}
/**
* Makes sure that the actions are performed.
- *
*/
public void commit() {
- for (Program program : _showsToRecord) {
- RecordingResult result = program.record();
- _recordings.get(result).add(program);
+ Set<TimeInterval> previouslyRecorded = new HashSet<TimeInterval>();
+ for (Integer priority : _showsToRecord.keySet()) {
+ for (Program program : _showsToRecord.get(priority)) {
+ TimeInterval interval = program.getInterval();
+ if (recordingConflictExists(previouslyRecorded, interval)) {
+ _report.setRecordingResult(RecordingResult.CONFLICT, program);
+ } else {
+ RecordingResult result = program.record();
+ _report.setRecordingResult(result, program);
+ previouslyRecorded.add(interval);
+ }
+ }
}
}
/**
- * Get report as XML.
+ * Checks an interval for overlap with a previously recorded program.
*
- * @return XML report
+ * @param aPreviouslyRecorded
+ * Previously recorded programs.
+ * @param aInterval
+ * Interval.
+ * @return True iff there is a recording conflict.
*/
- public Element getReport() {
- DocumentFactory factory = DocumentFactory.getInstance();
- Element report = factory.createElement("report");
-
- for (RecordingResult result : RecordingResult.values()) {
- if (_recordings.get(result).size() > 0) {
- Element recordingResult = report.addElement("recorded")
- .addAttribute("result", result.toString());
-
- for (Program program : _recordings.get(result)) {
- recordingResult.add(program.asXml());
- }
+ private boolean recordingConflictExists(
+ Set<TimeInterval> aPreviouslyRecorded, TimeInterval aInterval) {
+ for (TimeInterval recordedInterval : aPreviouslyRecorded) {
+ if (aInterval.overlap(recordedInterval)) {
+ return true;
}
}
-
- if (_interestingShows.size() > 0) {
- Element interesting = report.addElement("interesting");
- for (String category : _interestingShows.keySet()) {
- Element categoryElem = interesting;
- if (category.length() > 0) {
- categoryElem = interesting.addElement("category");
- categoryElem.addAttribute("name", category);
- }
- for (Program program : _interestingShows.get(category)) {
- categoryElem.add(program.asXml());
- }
- }
-
- }
-
- return report;
+ return false;
}
}