/**
* Returns the last time the cache was refreshed.
*
* @param cacheType Cache type.
* @param cacheKey Cache key.
* @return Last update time of the cache.
*/
public long getLastCacheUpdateTime(String cacheType, String cacheKey) {
try {
if (cacheType == null
|| cacheKey == null
|| Constants.EMPTY_STRING.equals(cacheType)
|| Constants.EMPTY_STRING.equals(cacheKey)) {
return 0;
}
if (!doesCacheExist(cacheType)) {
return 0;
}
final QuerySpec querySpec =
QuerySpec.buildExactQuerySpec(cacheType, CACHE_KEY, cacheKey, null, null, 1);
final JSONArray results = smartStore.query(querySpec, 0);
if (results != null && results.length() > 0) {
final JSONObject jObj = results.optJSONObject(0);
if (jObj != null) {
return jObj.optLong(SmartStore.SOUP_LAST_MODIFIED_DATE);
}
}
} catch (IllegalStateException e) {
Log.e(TAG, "IllegalStateException occurred while attempting to read last cached time", e);
} catch (JSONException e) {
Log.e(TAG, "JSONException occurred while attempting to read last cached time", e);
} catch (SmartStoreException e) {
Log.e(TAG, "SmartStoreException occurred while attempting to read last cached time", e);
}
return 0;
}
/**
* Reads a list of Salesforce objects from the cache.
*
* @param cacheType Cache type.
* @param cacheKey Cache key.
* @return List of Salesforce objects.
*/
public List<SalesforceObject> readObjects(String cacheType, String cacheKey) {
if (cacheType == null
|| cacheKey == null
|| Constants.EMPTY_STRING.equals(cacheType)
|| Constants.EMPTY_STRING.equals(cacheKey)) {
return null;
}
if (!doesCacheExist(cacheType)) {
return null;
}
// Checks in memory cache first.
if (objectCacheMap != null) {
final List<SalesforceObject> cachedObjs = objectCacheMap.get(cacheKey);
if (cachedObjs != null && cachedObjs.size() > 0) {
return cachedObjs;
}
}
// Falls back on smart store cache if in memory cache is empty.
try {
final QuerySpec querySpec =
QuerySpec.buildExactQuerySpec(cacheType, CACHE_KEY, cacheKey, null, null, 1);
final JSONArray results = smartStore.query(querySpec, 0);
if (results != null && results.length() > 0) {
final JSONObject jObj = results.optJSONObject(0);
if (jObj != null) {
final JSONArray res = jObj.optJSONArray(CACHE_DATA);
if (res != null && res.length() > 0) {
final List<SalesforceObject> cachedList = new ArrayList<SalesforceObject>();
for (int j = 0; j < res.length(); j++) {
final JSONObject sfObj = res.optJSONObject(j);
if (sfObj != null) {
cachedList.add(new SalesforceObject(sfObj));
}
}
if (cachedList.size() > 0) {
// Inserts or updates data in memory cache.
if (objectCacheMap != null) {
if (objectCacheMap.get(cacheKey) != null) {
objectCacheMap.remove(cacheKey);
}
objectCacheMap.put(cacheKey, cachedList);
}
return cachedList;
}
}
}
}
} catch (JSONException e) {
Log.e(TAG, "JSONException occurred while attempting to read cached data", e);
} catch (SmartStoreException e) {
Log.e(TAG, "SmartStoreException occurred while attempting to read cached data", e);
}
return null;
}
/**
* Removes existing data from the specified cache.
*
* @param cacheType Cache type.
* @param cacheKey Cache key.
*/
public void removeCache(String cacheType, String cacheKey) {
if (cacheType == null
|| cacheKey == null
|| Constants.EMPTY_STRING.equals(cacheType)
|| Constants.EMPTY_STRING.equals(cacheKey)) {
return;
}
if (doesCacheExist(cacheType)) {
smartStore.dropSoup(cacheType);
removeSoupNameFromMasterSoup(cacheType);
resetInMemoryCache();
}
}
/**
* Writes a list of Salesforce object layouts to the cache.
*
* @param objects List of Salesforce object layouts.
* @param cacheKey Cache key.
* @param cacheType Cache type.O
*/
public void writeObjectLayouts(
List<SalesforceObjectTypeLayout> objects, String cacheKey, String cacheType) {
if (objects == null
|| cacheType == null
|| cacheKey == null
|| Constants.EMPTY_STRING.equals(cacheType)
|| Constants.EMPTY_STRING.equals(cacheKey)
|| objects.size() == 0) {
return;
}
final String soupName = cacheType + cacheKey;
// Inserts or updates data in memory cache.
if (objectTypeLayoutCacheMap != null) {
if (objectTypeLayoutCacheMap.get(cacheKey) != null) {
objectTypeLayoutCacheMap.remove(cacheKey);
}
objectTypeLayoutCacheMap.put(cacheKey, objects);
}
// Inserts or updates data in smart store.
final JSONArray data = new JSONArray();
for (final SalesforceObjectTypeLayout object : objects) {
if (object != null) {
final JSONObject obj = new JSONObject();
try {
obj.put("rawData", object.getRawData());
obj.put("type", object.getObjectType());
data.put(obj);
} catch (JSONException e) {
Log.e(TAG, "JSONException occurred while attempting to cache data", e);
}
}
}
if (data.length() > 0) {
final JSONObject obj = new JSONObject();
try {
obj.put(String.format(CACHE_DATA_KEY, cacheKey), data);
obj.put(String.format(CACHE_TIME_KEY, cacheKey), System.currentTimeMillis());
upsertData(soupName, obj, cacheKey);
} catch (JSONException e) {
Log.e(TAG, "JSONException occurred while attempting to cache data", e);
} catch (SmartStoreException e) {
Log.e(TAG, "SmartStoreException occurred while attempting to cache data", e);
}
}
}
/**
* Returns whether the specified cache exists.
*
* @param soupName Soup name.
* @return True - if the cache exists, False - otherwise.
*/
public boolean doesCacheExist(String soupName) {
if (soupName == null
|| Constants.EMPTY_STRING.equals(soupName)
|| !smartStore.hasSoup(soupName)) {
return false;
}
return true;
}
/**
* Writes a list of Salesforce object types to the cache.
*
* @param objectTypes List of Salesforce object types.
* @param cacheKey Cache key.
* @param cacheType Cache type.
*/
public void writeObjectTypes(
List<SalesforceObjectType> objectTypes, String cacheKey, String cacheType) {
if (objectTypes == null
|| cacheType == null
|| cacheKey == null
|| Constants.EMPTY_STRING.equals(cacheType)
|| Constants.EMPTY_STRING.equals(cacheKey)
|| objectTypes.size() == 0) {
return;
}
// Inserts or updates data in memory cache.
if (objectTypeCacheMap != null) {
if (objectTypeCacheMap.get(cacheKey) != null) {
objectTypeCacheMap.remove(cacheKey);
}
objectTypeCacheMap.put(cacheKey, objectTypes);
}
// Inserts or updates data in smart store.
final JSONArray data = new JSONArray();
for (final SalesforceObjectType objectType : objectTypes) {
if (objectType != null) {
data.put(objectType.getRawData());
}
}
if (data.length() > 0) {
final JSONObject object = new JSONObject();
try {
object.put(CACHE_KEY, cacheKey);
object.put(CACHE_DATA, data);
upsertData(cacheType, object, cacheKey);
} catch (JSONException e) {
Log.e(TAG, "JSONException occurred while attempting to cache data", e);
} catch (SmartStoreException e) {
Log.e(TAG, "SmartStoreException occurred while attempting to cache data", e);
}
}
}
/**
* Helper method that inserts/updates a record in the cache.
*
* @param soupName Soup name.
* @param object Object to be inserted.
* @param cacheKey Cache key.
*/
private void upsertData(String soupName, JSONObject object, String cacheKey) {
if (soupName == null || object == null || Constants.EMPTY_STRING.equals(soupName)) {
return;
}
registerSoup(soupName, cacheKey);
try {
smartStore.upsert(soupName, object, cacheKey);
addSoupNameToMasterSoup(soupName);
} catch (JSONException e) {
Log.e(TAG, "JSONException occurred while attempting to cache data", e);
} catch (SmartStoreException e) {
Log.e(TAG, "SmartStoreException occurred while attempting to cache data", e);
}
}
/**
* Returns the last time the cache was refreshed.
*
* @param cacheType Cache type.
* @param cacheKey Cache key.
* @return Last update time of the cache.
*/
public long getLastCacheUpdateTime(String cacheType, String cacheKey) {
try {
if (cacheType == null
|| cacheKey == null
|| Constants.EMPTY_STRING.equals(cacheType)
|| Constants.EMPTY_STRING.equals(cacheKey)) {
return 0;
}
final String soupName = cacheType + cacheKey;
if (!doesCacheExist(soupName)) {
return 0;
}
final String smartSql =
"SELECT {"
+ soupName
+ ":"
+ String.format(CACHE_TIME_KEY, cacheKey)
+ "} FROM {"
+ soupName
+ "}";
final QuerySpec querySpec = QuerySpec.buildSmartQuerySpec(smartSql, 1);
final JSONArray results = smartStore.query(querySpec, 0);
if (results != null && results.length() > 0) {
final JSONArray array = results.optJSONArray(0);
if (array != null && array.length() > 0) {
return array.optLong(0);
}
}
} catch (IllegalStateException e) {
Log.e(TAG, "IllegalStateException occurred while attempting to read last cached time", e);
} catch (JSONException e) {
Log.e(TAG, "JSONException occurred while attempting to read last cached time", e);
} catch (SmartStoreException e) {
Log.e(TAG, "SmartStoreException occurred while attempting to read last cached time", e);
}
return 0;
}
/**
* Parameterized constructor.
*
* @param object Raw data for object.
*/
public SalesforceObject(JSONObject object) {
objectId = object.optString(Constants.ID);
if (objectId == null || Constants.EMPTY_STRING.equals(objectId)) {
objectId = object.optString(Constants.ID.toLowerCase(Locale.US));
objectType = object.optString(Constants.TYPE.toLowerCase(Locale.US));
name = object.optString(Constants.NAME.toLowerCase(Locale.US));
} else {
name = object.optString(Constants.NAME);
final JSONObject attributes = object.optJSONObject(Constants.ATTRIBUTES);
if (attributes != null) {
objectType = attributes.optString(Constants.TYPE.toLowerCase(Locale.US));
if (objectType == null
|| Constants.RECENTLY_VIEWED.equals(objectType)
|| Constants.NULL_STRING.equals(objectType)) {
objectType = object.optString(Constants.TYPE);
}
}
}
rawData = object;
}
/**
* Reads a list of Salesforce object layouts from the cache.
*
* @param cacheType Cache type.
* @param cacheKey Cache key.
* @return List of Salesforce object layouts.
*/
public List<SalesforceObjectTypeLayout> readObjectLayouts(String cacheType, String cacheKey) {
if (cacheType == null
|| cacheKey == null
|| Constants.EMPTY_STRING.equals(cacheType)
|| Constants.EMPTY_STRING.equals(cacheKey)) {
return null;
}
final String soupName = cacheType + cacheKey;
if (!doesCacheExist(soupName)) {
return null;
}
// Checks in memory cache first.
if (objectTypeLayoutCacheMap != null) {
final List<SalesforceObjectTypeLayout> cachedObjs = objectTypeLayoutCacheMap.get(cacheKey);
if (cachedObjs != null && cachedObjs.size() > 0) {
return cachedObjs;
}
}
// Falls back on smart store cache if in memory cache is empty.
final String smartSql =
"SELECT {"
+ soupName
+ ":"
+ String.format(CACHE_DATA_KEY, cacheKey)
+ "} FROM {"
+ soupName
+ "}";
try {
final QuerySpec querySpec = QuerySpec.buildSmartQuerySpec(smartSql, 1);
final JSONArray results = smartStore.query(querySpec, 0);
if (results != null && results.length() > 0) {
final JSONArray array = results.optJSONArray(0);
if (array != null && array.length() > 0) {
final String res = array.optString(0);
if (res != null && res.length() > 0) {
final JSONArray cachedResults = new JSONArray(res);
if (cachedResults.length() > 0) {
final List<SalesforceObjectTypeLayout> cachedList =
new ArrayList<SalesforceObjectTypeLayout>();
for (int j = 0; j < cachedResults.length(); j++) {
final JSONObject sfObj = cachedResults.optJSONObject(j);
if (sfObj != null) {
final JSONObject rawData = sfObj.optJSONObject("rawData");
final String type = sfObj.optString("type");
if (rawData != null && type != null && !Constants.EMPTY_STRING.equals(type)) {
cachedList.add(new SalesforceObjectTypeLayout(type, rawData));
}
}
}
if (cachedList.size() > 0) {
// Inserts or updates data in memory cache.
if (objectTypeLayoutCacheMap != null) {
if (objectTypeLayoutCacheMap.get(cacheKey) != null) {
objectTypeLayoutCacheMap.remove(cacheKey);
}
objectTypeLayoutCacheMap.put(cacheKey, cachedList);
}
return cachedList;
}
}
}
}
}
} catch (JSONException e) {
Log.e(TAG, "JSONException occurred while attempting to read cached data", e);
} catch (SmartStoreException e) {
Log.e(TAG, "SmartStoreException occurred while attempting to read cached data", e);
}
return null;
}