/**
* Set the limit on memory this Cache may use.
*
* @param maxMemLimit The limit in bytes
*/
public void setLimit(long maxMemLimit) {
if (maxMemLimit > Runtime.getRuntime().maxMemory()) {
throw new IllegalArgumentException("maxMemLimit cannot be more than max heap size");
}
mMaxItems = (int) (maxMemLimit / AVG_ITEM_SIZE);
SgnLog.v(
TAG, "New memory limit: " + maxMemLimit / 1024 + "kb (approx " + mMaxItems + " items)");
}
public JSONObject toDebugJSON() {
JSONObject o = toJSON();
try {
o.put("start", mStart);
o.put("stop", mStop);
o.put("clock", mClock.getClass().getSimpleName());
o.put("sub-event-count", mSubEvents.size());
o.put("durationAbs", getDurationAbsolute());
} catch (JSONException e) {
SgnLog.d(TAG, e.getMessage(), e);
}
return o;
}
public JSONObject toJSON() {
try {
JSONObject o = new JSONObject();
o.put("type", mEventType.toString());
o.put("ms", getDuration());
o.put("orientation", mOrientation.toString());
o.put("pages", PageflipUtils.join(",", mPages));
o.put("view_session", mViewSession);
return o;
} catch (JSONException e) {
SgnLog.d(TAG, e.getMessage(), e);
}
return new JSONObject();
}
private void checkSize() {
int size = mCache.size();
if (size > mMaxItems) {
float percentToRemove = (float) mPercentToClean / (float) 100;
int itemsToRemove = (int) (size * percentToRemove);
// least recently accessed item will be the first one iterated
Iterator<Entry<String, Cache.Item>> it = mCache.entrySet().iterator();
while (it.hasNext()) {
it.next();
it.remove();
if (itemsToRemove-- == 0) {
break;
}
}
SgnLog.d(TAG, "Cleaned " + TAG + " new size: " + mCache.size());
}
}