public LocalDocument getDocument(LocalQuery query, boolean recurring) throws IOException {
HttpResponse response;
if (recurring) {
response = core.post(getRecurringUrl, query.toJson());
} else {
response = core.post(getUrl, query.toJson());
}
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
LocalDocument ld;
try {
ld = new LocalDocument(EntityUtils.toString(response.getEntity()));
} catch (JsonException e) {
throw new IOException(e);
}
InternalLogger.debug("Received document with ID " + ld.getID());
currentDocument = ld;
return ld;
} else if (response.getStatusLine().getStatusCode() == HttpStatus.SC_NOT_FOUND) {
InternalLogger.debug("No document found matching query");
EntityUtils.consume(response.getEntity());
return null;
} else {
logUnexpected(response);
return null;
}
}
public Map<String, Object> getProperties() throws IOException {
HttpResponse response = core.get(propertyUrl);
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
Map<String, Object> map;
try {
map = SerializationUtils.fromJson(EntityUtils.toString(response.getEntity()));
} catch (JsonException e) {
throw new IOException(e);
}
InternalLogger.debug("Successfully retrieved propertyMap with " + map.size() + " entries");
return map;
} else if (response.getStatusLine().getStatusCode() == HttpStatus.SC_NOT_FOUND) {
InternalLogger.debug("No document found matching query");
EntityUtils.consume(response.getEntity());
return null;
} else {
logUnexpected(response);
return null;
}
}
/** Writes all outstanding updates to the last document fetched from the pipeline. */
public boolean saveCurrentDocument() throws IOException, JsonException {
boolean keepingLock = keepLock;
if (currentDocument == null) {
InternalLogger.error("There is no document to write.");
return false;
}
boolean x = save(currentDocument);
if (x && !keepingLock) {
currentDocument = null;
}
return x;
}
/**
* Releases the most recently read document back to the pipeline
*
* @return true if there was a document to release
* @throws HttpException
* @throws IOException
*/
public boolean releaseLastDocument() throws IOException {
if (currentDocument == null) {
InternalLogger.debug("There is no document to release...");
return false;
}
HttpResponse response = core.post(releaseUrl, currentDocument.contentFieldsToJson(null));
currentDocument = null;
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
EntityUtils.consume(response.getEntity());
return true;
}
logUnexpected(response);
return false;
}
private static void logUnexpected(HttpResponse response) throws IOException {
InternalLogger.error("Node gave an unexpected response: " + response.getStatusLine());
InternalLogger.error("Message: " + EntityUtils.toString(response.getEntity()));
}
