forked from loklak/loklak_server
/
DAO.java
1373 lines (1222 loc) · 62.6 KB
/
DAO.java
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/**
* DAO
* Copyright 22.02.2015 by Michael Peter Christen, @0rb1t3r
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program in the file lgpl21.txt
* If not, see <http://www.gnu.org/licenses/>.
*/
package org.loklak.data;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.file.Path;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.TreeMap;
import java.util.stream.Collectors;
import org.eclipse.jetty.util.ConcurrentHashSet;
import com.github.fge.jackson.JsonLoader;
import com.google.common.base.Charsets;
import org.eclipse.jetty.util.log.Log;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.common.logging.ESLoggerFactory;
import org.elasticsearch.common.logging.slf4j.Slf4jESLoggerFactory;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.RangeQueryBuilder;
import org.elasticsearch.search.sort.SortOrder;
import org.json.JSONException;
import org.json.JSONObject;
import org.loklak.Caretaker;
import org.loklak.api.search.SearchServlet;
import org.loklak.geo.GeoNames;
import org.loklak.harvester.TwitterScraper;
import org.loklak.http.AccessTracker;
import org.loklak.http.ClientConnection;
import org.loklak.http.RemoteAccess;
import org.loklak.objects.AbstractObjectEntry;
import org.loklak.objects.AccountEntry;
import org.loklak.objects.ImportProfileEntry;
import org.loklak.objects.MessageEntry;
import org.loklak.objects.Peers;
import org.loklak.objects.QueryEntry;
import org.loklak.objects.ResultList;
import org.loklak.objects.SourceType;
import org.loklak.objects.Timeline;
import org.loklak.objects.TimelineCache;
import org.loklak.objects.UserEntry;
import org.loklak.server.*;
import org.loklak.tools.DateParser;
import org.loklak.tools.OS;
import org.loklak.tools.storage.*;
import com.fasterxml.jackson.databind.JsonNode;
/**
* The Data Access Object for the message project.
* This provides only static methods because the class methods shall be available for
* all other classes.
*
* To debug, call elasticsearch directly i.e.:
*
* get statistics
* curl localhost:9200/_stats?pretty=true
*
* get statistics for message index
* curl -XGET 'http://127.0.0.1:9200/messages?pretty=true'
*
* get mappings in message index
* curl -XGET "http://localhost:9200/messages/_mapping?pretty=true"
*
* get search result from message index
* curl -XGET 'http://127.0.0.1:9200/messages/_search?q=*&pretty=true'
*/
public class DAO {
public final static com.fasterxml.jackson.core.JsonFactory jsonFactory = new com.fasterxml.jackson.core.JsonFactory();
public final static com.fasterxml.jackson.databind.ObjectMapper jsonMapper = new com.fasterxml.jackson.databind.ObjectMapper(DAO.jsonFactory);
public final static com.fasterxml.jackson.core.type.TypeReference<HashMap<String,Object>> jsonTypeRef = new com.fasterxml.jackson.core.type.TypeReference<HashMap<String,Object>>() {};
public final static String MESSAGE_DUMP_FILE_PREFIX = "messages_";
public final static String ACCOUNT_DUMP_FILE_PREFIX = "accounts_";
public final static String USER_DUMP_FILE_PREFIX = "users_";
public final static String ACCESS_DUMP_FILE_PREFIX = "access_";
public final static String FOLLOWERS_DUMP_FILE_PREFIX = "followers_";
public final static String FOLLOWING_DUMP_FILE_PREFIX = "following_";
private static final String IMPORT_PROFILE_FILE_PREFIX = "profile_";
public final static int CACHE_MAXSIZE = 10000;
public final static int EXIST_MAXSIZE = 4000000;
public static File conf_dir, bin_dir, html_dir;
private static File external_data, assets, dictionaries;
public static Settings public_settings, private_settings;
private static Path message_dump_dir, account_dump_dir, import_profile_dump_dir;
public static Path push_cache_dir;
public static JsonRepository message_dump;
private static JsonRepository account_dump;
private static JsonRepository import_profile_dump;
public static JsonDataset user_dump, followers_dump, following_dump;
public static AccessTracker access;
private static File schema_dir, conv_schema_dir;
private static ElasticsearchClient elasticsearch_client;
//private static Node elasticsearch_node;
//private static Client elasticsearch_client;
public static UserFactory users;
private static AccountFactory accounts;
public static MessageFactory messages;
public static MessageFactory messages_hour;
public static MessageFactory messages_day;
public static MessageFactory messages_week;
public static QueryFactory queries;
private static ImportProfileFactory importProfiles;
private static Map<String, String> config = new HashMap<>();
public static GeoNames geoNames = null;
public static Peers peers = new Peers();
public static OutgoingMessageBuffer outgoingMessages = new OutgoingMessageBuffer();
// AAA Schema for server usage
public static JsonTray authentication;
public static JsonTray authorization;
public static JsonTray accounting;
public static UserRoles userRoles;
public static JsonTray passwordreset;
public static Map<String, Accounting> accounting_temporary = new HashMap<>();
public static JsonFile login_keys;
public static TimelineCache timelineCache;
public static enum IndexName {
messages_hour("messages.json"), messages_day("messages.json"), messages_week("messages.json"), messages, queries, users, accounts, import_profiles;
private String schemaFileName;
private IndexName() {
schemaFileName = this.name() + ".json";
}
private IndexName(String filename) {
schemaFileName = filename;
}
public String getSchemaFilename() {
return this.schemaFileName;
}
}
/**
* initialize the DAO
* @param configMap
* @param dataPath the path to the data directory
*/
public static void init(Map<String, String> configMap, Path dataPath) throws Exception{
log("initializing loklak DAO");
config = configMap;
conf_dir = new File("conf");
bin_dir = new File("bin");
html_dir = new File("html");
// initialize public and private keys
public_settings = new Settings(new File("data/settings/public.settings.json"));
File private_file = new File("data/settings/private.settings.json");
private_settings = new Settings(private_file);
OS.protectPath(private_file.toPath());
if(!private_settings.loadPrivateKey() || !public_settings.loadPublicKey()){
log("Can't load key pair. Creating new one");
// create new key pair
KeyPairGenerator keyGen;
try {
String algorithm = "RSA";
keyGen = KeyPairGenerator.getInstance(algorithm);
keyGen.initialize(2048);
KeyPair keyPair = keyGen.genKeyPair();
private_settings.setPrivateKey(keyPair.getPrivate(), algorithm);
public_settings.setPublicKey(keyPair.getPublic(), algorithm);
} catch (NoSuchAlgorithmException e) {
throw e;
}
log("Key creation finished. Peer hash: " + public_settings.getPeerHashAlgorithm() + " " + public_settings.getPeerHash());
}
else{
log("Key pair loaded from file. Peer hash: " + public_settings.getPeerHashAlgorithm() + " " + public_settings.getPeerHash());
}
File datadir = dataPath.toFile();
// check if elasticsearch shall be accessed as external cluster
String transport = configMap.get("elasticsearch_transport.enabled");
if (transport != null && "true".equals(transport)) {
String cluster_name = configMap.get("elasticsearch_transport.cluster.name");
String transport_addresses_string = configMap.get("elasticsearch_transport.addresses");
if (transport_addresses_string != null && transport_addresses_string.length() > 0) {
String[] transport_addresses = transport_addresses_string.split(",");
elasticsearch_client = new ElasticsearchClient(transport_addresses, cluster_name);
}
} else {
// use all config attributes with a key starting with "elasticsearch." to set elasticsearch settings
ESLoggerFactory.setDefaultFactory(new Slf4jESLoggerFactory());
org.elasticsearch.common.settings.Settings.Builder settings = org.elasticsearch.common.settings.Settings.builder();
for (Map.Entry<String, String> entry: config.entrySet()) {
String key = entry.getKey();
if (key.startsWith("elasticsearch.")) settings.put(key.substring(14), entry.getValue());
}
// patch the home path
settings.put("path.home", datadir.getAbsolutePath());
settings.put("path.data", datadir.getAbsolutePath());
settings.build();
// start elasticsearch
elasticsearch_client = new ElasticsearchClient(settings);
}
// open AAA storage
Path settings_dir = dataPath.resolve("settings");
settings_dir.toFile().mkdirs();
Path authentication_path = settings_dir.resolve("authentication.json");
authentication = new JsonTray(authentication_path.toFile(), 10000);
OS.protectPath(authentication_path);
Path authorization_path = settings_dir.resolve("authorization.json");
authorization = new JsonTray(authorization_path.toFile(), 10000);
OS.protectPath(authorization_path);
Path passwordreset_path = settings_dir.resolve("passwordreset.json");
passwordreset = new JsonTray(passwordreset_path.toFile(), 10000);
OS.protectPath(passwordreset_path);
Path accounting_path = settings_dir.resolve("accounting.json");
accounting = new JsonTray(accounting_path.toFile(), 10000);
OS.protectPath(accounting_path);
Path login_keys_path = settings_dir.resolve("login-keys.json");
login_keys = new JsonFile(login_keys_path.toFile());
OS.protectPath(login_keys_path);
Log.getLog().info("Initializing user roles");
Path userRoles_path = settings_dir.resolve("userRoles.json");
userRoles = new UserRoles(new JsonFile(userRoles_path.toFile()));
OS.protectPath(userRoles_path);
try{
userRoles.loadUserRolesFromObject();
Log.getLog().info("Loaded user roles from file");
}catch (IllegalArgumentException e){
Log.getLog().info("Load default user roles");
userRoles.loadDefaultUserRoles();
}
// open index
Path index_dir = dataPath.resolve("index");
if (index_dir.toFile().exists()) OS.protectPath(index_dir); // no other permissions to this path
// define the index factories
messages = new MessageFactory(elasticsearch_client, IndexName.messages.name(), CACHE_MAXSIZE, EXIST_MAXSIZE);
messages_hour = new MessageFactory(elasticsearch_client, IndexName.messages_hour.name(), CACHE_MAXSIZE, EXIST_MAXSIZE);
messages_day = new MessageFactory(elasticsearch_client, IndexName.messages_day.name(), CACHE_MAXSIZE, EXIST_MAXSIZE);
messages_week = new MessageFactory(elasticsearch_client, IndexName.messages_week.name(), CACHE_MAXSIZE, EXIST_MAXSIZE);
users = new UserFactory(elasticsearch_client, IndexName.users.name(), CACHE_MAXSIZE, EXIST_MAXSIZE);
accounts = new AccountFactory(elasticsearch_client, IndexName.accounts.name(), CACHE_MAXSIZE, EXIST_MAXSIZE);
queries = new QueryFactory(elasticsearch_client, IndexName.queries.name(), CACHE_MAXSIZE, EXIST_MAXSIZE);
importProfiles = new ImportProfileFactory(elasticsearch_client, IndexName.import_profiles.name(), CACHE_MAXSIZE, EXIST_MAXSIZE);
// create indices and set mapping (that shows how 'elastic' elasticsearch is: it's always good to define data types)
File mappingsDir = new File(new File(conf_dir, "elasticsearch"), "mappings");
int shards = Integer.parseInt(configMap.get("elasticsearch.index.number_of_shards"));
int replicas = Integer.parseInt(configMap.get("elasticsearch.index.number_of_replicas"));
for (IndexName index: IndexName.values()) {
log("initializing index '" + index.name() + "'...");
try {
elasticsearch_client.createIndexIfNotExists(index.name(), shards, replicas);
} catch (Throwable e) {
Log.getLog().warn(e);
}
try {
elasticsearch_client.setMapping(index.name(), new File(mappingsDir, index.getSchemaFilename()));
} catch (Throwable e) {
Log.getLog().warn(e);
}
}
// elasticsearch will probably take some time until it is started up. We do some other stuff meanwhile..
// create and document the data dump dir
assets = new File(datadir, "assets");
external_data = new File(datadir, "external");
dictionaries = new File(external_data, "dictionaries");
dictionaries.mkdirs();
push_cache_dir = dataPath.resolve("pushcache");
push_cache_dir.toFile().mkdirs();
// create message dump dir
String message_dump_readme =
"This directory contains dump files for messages which arrived the platform.\n" +
"There are three subdirectories for dump files:\n" +
"- own: for messages received with this peer. There is one file for each month.\n" +
"- import: hand-over directory for message dumps to be imported. Drop dumps here and they are imported.\n" +
"- imported: dump files which had been processed from the import directory are moved here.\n" +
"You can import dump files from other peers by dropping them into the import directory.\n" +
"Each dump file must start with the prefix '" + MESSAGE_DUMP_FILE_PREFIX + "' to be recognized.\n";
message_dump_dir = dataPath.resolve("dump");
message_dump = new JsonRepository(message_dump_dir.toFile(), MESSAGE_DUMP_FILE_PREFIX, message_dump_readme, JsonRepository.COMPRESSED_MODE, true, Runtime.getRuntime().availableProcessors());
account_dump_dir = dataPath.resolve("accounts");
account_dump_dir.toFile().mkdirs();
OS.protectPath(account_dump_dir); // no other permissions to this path
account_dump = new JsonRepository(account_dump_dir.toFile(), ACCOUNT_DUMP_FILE_PREFIX, null, JsonRepository.REWRITABLE_MODE, false, Runtime.getRuntime().availableProcessors());
File user_dump_dir = new File(datadir, "accounts");
user_dump_dir.mkdirs();
user_dump = new JsonDataset(
user_dump_dir,USER_DUMP_FILE_PREFIX,
new JsonDataset.Column[]{new JsonDataset.Column("id_str", false), new JsonDataset.Column("screen_name", true)},
"retrieval_date", DateParser.PATTERN_ISO8601MILLIS,
JsonRepository.REWRITABLE_MODE, false, Integer.MAX_VALUE);
followers_dump = new JsonDataset(
user_dump_dir, FOLLOWERS_DUMP_FILE_PREFIX,
new JsonDataset.Column[]{new JsonDataset.Column("screen_name", true)},
"retrieval_date", DateParser.PATTERN_ISO8601MILLIS,
JsonRepository.REWRITABLE_MODE, false, Integer.MAX_VALUE);
following_dump = new JsonDataset(
user_dump_dir, FOLLOWING_DUMP_FILE_PREFIX,
new JsonDataset.Column[]{new JsonDataset.Column("screen_name", true)},
"retrieval_date", DateParser.PATTERN_ISO8601MILLIS,
JsonRepository.REWRITABLE_MODE, false, Integer.MAX_VALUE);
Path log_dump_dir = dataPath.resolve("log");
log_dump_dir.toFile().mkdirs();
OS.protectPath(log_dump_dir); // no other permissions to this path
access = new AccessTracker(log_dump_dir.toFile(), ACCESS_DUMP_FILE_PREFIX, 60000, 3000);
access.start(); // start monitor
timelineCache = new TimelineCache(60000);
import_profile_dump_dir = dataPath.resolve("import-profiles");
import_profile_dump = new JsonRepository(import_profile_dump_dir.toFile(), IMPORT_PROFILE_FILE_PREFIX, null, JsonRepository.COMPRESSED_MODE, false, Runtime.getRuntime().availableProcessors());
// load schema folder
conv_schema_dir = new File("conf/conversion");
schema_dir = new File("conf/schema");
// load dictionaries if they are embedded here
// read the file allCountries.zip from http://download.geonames.org/export/dump/allCountries.zip
//File allCountries = new File(dictionaries, "allCountries.zip");
File cities1000 = new File(dictionaries, "cities1000.zip");
if (!cities1000.exists()) {
// download this file
ClientConnection.download("http://download.geonames.org/export/dump/cities1000.zip", cities1000);
}
if(cities1000.exists()){
try{
geoNames = new GeoNames(cities1000, new File(conf_dir, "iso3166.json"), 1);
}catch(IOException e){
Log.getLog().warn(e.getMessage());
cities1000.delete();
geoNames = null;
}
}
// finally wait for healthy status of elasticsearch shards
ClusterHealthStatus required_status = ClusterHealthStatus.fromString(config.get("elasticsearch_requiredClusterHealthStatus"));
boolean ok;
do {
log("Waiting for elasticsearch " + required_status.name() + " status");
ok = elasticsearch_client.wait_ready(60000l, required_status);
} while (!ok);
/**
do {
log("Waiting for elasticsearch green status");
health = elasticsearch_client.admin().cluster().prepareHealth().setWaitForGreenStatus().execute().actionGet();
} while (health.isTimedOut());
**/
log("elasticsearch has started up!");
// start the classifier
new Thread(){
public void run() {
log("initializing the classifier...");
try {
Classifier.init(10000, 1000);
} catch (Throwable e) {
Log.getLog().warn(e);
}
log("classifier initialized!");
}
}.start();
log("initializing queries...");
File harvestingPath = new File(datadir, "queries");
if (!harvestingPath.exists()) harvestingPath.mkdirs();
String[] list = harvestingPath.list();
for (String queryfile: list) {
if (queryfile.startsWith(".") || queryfile.endsWith("~")) continue;
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(new File(harvestingPath, queryfile))));
String line;
List<IndexEntry<QueryEntry>> bulkEntries = new ArrayList<>();
while ((line = reader.readLine()) != null) {
line = line.trim().toLowerCase();
if (line.length() == 0) continue;
if (line.charAt(0) <= '9') {
// truncate statistic
int p = line.indexOf(' ');
if (p < 0) continue;
line = line.substring(p + 1).trim();
}
// write line into query database
if (!existQuery(line)) {
bulkEntries.add(
new IndexEntry<QueryEntry>(
line,
SourceType.TWITTER,
new QueryEntry(line, 0, 60000, SourceType.TWITTER, false))
);
}
if (bulkEntries.size() > 1000) {
queries.writeEntries(bulkEntries);
bulkEntries.clear();
}
}
queries.writeEntries(bulkEntries);
reader.close();
} catch (IOException e) {
Log.getLog().warn(e);
}
}
log("queries initialized.");
log("finished DAO initialization");
}
public static boolean wait_ready(long maxtimemillis) {
ClusterHealthStatus required_status = ClusterHealthStatus.fromString(config.get("elasticsearch_requiredClusterHealthStatus"));
return elasticsearch_client.wait_ready(maxtimemillis, required_status);
}
public static String pendingClusterTasks() {
return elasticsearch_client.pendingClusterTasks();
}
public static String clusterStats() {
return elasticsearch_client.clusterStats();
}
public static Map<String, String> nodeSettings() {
return elasticsearch_client.nodeSettings();
}
public static File getAssetFile(String screen_name, String id_str, String file) {
String letter0 = ("" + screen_name.charAt(0)).toLowerCase();
String letter1 = ("" + screen_name.charAt(1)).toLowerCase();
File storage_path = new File(new File(new File(assets, letter0), letter1), screen_name);
return new File(storage_path, id_str + "_" + file); // all assets for one user in one file
}
public static Collection<File> getTweetOwnDumps(int count) {
return message_dump.getOwnDumps(count);
}
public static void importAccountDumps(int count) throws IOException {
Collection<File> dumps = account_dump.getImportDumps(count);
if (dumps == null || dumps.size() == 0) return;
for (File dump: dumps) {
JsonReader reader = account_dump.getDumpReader(dump);
final JsonReader dumpReader = reader;
Thread[] indexerThreads = new Thread[dumpReader.getConcurrency()];
for (int i = 0; i < dumpReader.getConcurrency(); i++) {
indexerThreads[i] = new Thread() {
public void run() {
JsonFactory accountEntry;
try {
while ((accountEntry = dumpReader.take()) != JsonStreamReader.POISON_JSON_MAP) {
try {
JSONObject json = accountEntry.getJSON();
AccountEntry a = new AccountEntry(json);
DAO.writeAccount(a, false);
} catch (IOException e) {
Log.getLog().warn(e);
}
}
} catch (InterruptedException e) {
Log.getLog().warn(e);
}
}
};
indexerThreads[i].start();
}
for (int i = 0; i < dumpReader.getConcurrency(); i++) {
try {indexerThreads[i].join();} catch (InterruptedException e) {}
}
account_dump.shiftProcessedDump(dump.getName());
}
}
/**
* close all objects in this class
*/
public static void close() {
Log.getLog().info("closing DAO");
// close the dump files
message_dump.close();
account_dump.close();
import_profile_dump.close();
user_dump.close();
followers_dump.close();
following_dump.close();
// close the tracker
access.close();
// close the index factories (flushes the caches)
messages.close();
messages_hour.close();
messages_day.close();
messages_week.close();
users.close();
accounts.close();
queries.close();
importProfiles.close();
// close the index
elasticsearch_client.close();
Log.getLog().info("closed DAO");
}
/**
* get values from
* @param key
* @param default_val
* @return
*/
public static String getConfig(String key, String default_val) {
String value = config.get(key);
return value == null ? default_val : value;
}
public static String[] getConfig(String key, String[] default_val, String delim) {
String value = config.get(key);
return value == null || value.length() == 0 ? default_val : value.split(delim);
}
public static long getConfig(String key, long default_val) {
String value = config.get(key);
try {
return value == null ? default_val : Long.parseLong(value);
} catch (NumberFormatException e) {
return default_val;
}
}
public static double getConfig(String key, double default_val) {
String value = config.get(key);
try {
return value == null ? default_val : Double.parseDouble(value);
} catch (NumberFormatException e) {
return default_val;
}
}
public static int getConfig(String key, int default_val) {
String value = config.get(key);
try {
return value == null ? default_val : Integer.parseInt(value);
} catch (NumberFormatException e) {
return default_val;
}
}
/*
public static void setConfig(String key, String value) {
config.put(key, value);
}
public static void setConfig(String key, long value) {
setConfig(key, Long.toString(value));
}
public static void setConfig(String key, double value) {
setConfig(key, Double.toString(value));
}
*/
public static JsonNode getSchema(String key) throws IOException {
File schema = new File(schema_dir, key);
if (!schema.exists()) {
throw new FileNotFoundException("No schema file with name " + key + " found");
}
return JsonLoader.fromFile(schema);
}
public static JSONObject getConversionSchema(String key) throws IOException {
File schema = new File(conv_schema_dir, key);
if (!schema.exists()) {
throw new FileNotFoundException("No schema file with name " + key + " found");
}
return new JSONObject(com.google.common.io.Files.toString(schema, Charsets.UTF_8));
}
public static boolean getConfig(String key, boolean default_val) {
String value = config.get(key);
return value == null ? default_val : value.equals("true") || value.equals("on") || value.equals("1");
}
public static Set<String> getConfigKeys() {
return config.keySet();
}
public static class MessageWrapper {
public MessageEntry t;
public UserEntry u;
public boolean dump;
public MessageWrapper(MessageEntry t, UserEntry u, boolean dump) {
this.t = t;
this.u = u;
this.dump = dump;
}
}
/**
* Store a message together with a user into the search index
* @param mw a message wrapper
* @return true if the record was stored because it did not exist, false if it was not stored because the record existed already
*/
public static boolean writeMessage(MessageWrapper mw) {
if (mw.t == null) return false;
try {
synchronized (DAO.class) {
// record tweet into search index and check if this is a new entry
// and check if the message exists
boolean exists = false;
if (mw.t.getCreatedAt().after(DateParser.oneHourAgo())) {
exists = messages_hour.writeEntry(new IndexEntry<MessageEntry>(mw.t.getIdStr(), mw.t.getSourceType(), mw.t));
if (exists) return false;
}
if (mw.t.getCreatedAt().after(DateParser.oneDayAgo())) {
exists = messages_day.writeEntry(new IndexEntry<MessageEntry>(mw.t.getIdStr(), mw.t.getSourceType(), mw.t));
if (exists) return false;
}
if (mw.t.getCreatedAt().after(DateParser.oneWeekAgo())) {
exists = messages_week.writeEntry(new IndexEntry<MessageEntry>(mw.t.getIdStr(), mw.t.getSourceType(), mw.t));
if (exists) return false;
}
exists = messages.writeEntry(new IndexEntry<MessageEntry>(mw.t.getIdStr(), mw.t.getSourceType(), mw.t));
if (exists) return false;
// write the user into the index
users.writeEntry(new IndexEntry<UserEntry>(mw.u.getScreenName(), mw.t.getSourceType(), mw.u));
// record tweet into text file
if (mw.dump) message_dump.write(mw.t.toJSON(mw.u, false, Integer.MAX_VALUE, ""));
}
// teach the classifier
Classifier.learnPhrase(mw.t.getText());
} catch (IOException e) {
Log.getLog().warn(e);
}
return true;
}
public static Set<String> writeMessageBulk(Collection<MessageWrapper> mws) {
List<MessageWrapper> noDump = new ArrayList<>();
List<MessageWrapper> dump = new ArrayList<>();
for (MessageWrapper mw: mws) {
if (mw.t == null) continue;
if (mw.dump) dump.add(mw); else noDump.add(mw);
}
Set<String> createdIDs = new HashSet<>();
createdIDs.addAll(writeMessageBulkNoDump(noDump));
createdIDs.addAll(writeMessageBulkDump(dump)); // does also do an writeMessageBulkNoDump internally
return createdIDs;
}
/**
* write messages without writing them to the dump file
* @param mws a collection of message wrappers
* @return a set of message IDs which had been created with this bulk write.
*/
private static Set<String> writeMessageBulkNoDump(Collection<MessageWrapper> mws) {
if (mws.size() == 0) return new HashSet<>();
List<IndexEntry<UserEntry>> userBulk = new ArrayList<>();
List<IndexEntry<MessageEntry>> messageBulk = new ArrayList<>();
for (MessageWrapper mw: mws) {
if (messages.existsCache(mw.t.getIdStr())) continue; // we omit writing this again
synchronized (DAO.class) {
// write the user into the index
userBulk.add(new IndexEntry<UserEntry>(mw.u.getScreenName(), mw.t.getSourceType(), mw.u));
// record tweet into search index
messageBulk.add(new IndexEntry<MessageEntry>(mw.t.getIdStr(), mw.t.getSourceType(), mw.t));
}
// teach the classifier
Classifier.learnPhrase(mw.t.getText());
}
ElasticsearchClient.BulkWriteResult result = null;
try {
final Date limitDate = new Date();
List<IndexEntry<MessageEntry>> macc;
final Set<String> existed = new HashSet<>();
//DAO.log("***DEBUG messages INIT: " + messageBulk.size());
limitDate.setTime(DateParser.oneHourAgo().getTime());
macc = messageBulk.stream().filter(i -> i.getObject().getCreatedAt().after(limitDate)).collect(Collectors.toList());
//DAO.log("***DEBUG messages for HOUR: " + macc.size());
result = messages_hour.writeEntries(macc);
//DAO.log("***DEBUG messages for HOUR: " + result.getCreated().size() + " created");
for (IndexEntry<MessageEntry> i: macc) if (!(result.getCreated().contains(i.getId()))) existed.add(i.getId());
//DAO.log("***DEBUG messages for HOUR: " + existed.size() + " existed");
limitDate.setTime(DateParser.oneDayAgo().getTime());
macc = messageBulk.stream().filter(i -> !(existed.contains(i.getObject().getIdStr()))).filter(i -> i.getObject().getCreatedAt().after(limitDate)).collect(Collectors.toList());
//DAO.log("***DEBUG messages for DAY : " + macc.size());
result = messages_day.writeEntries(macc);
//DAO.log("***DEBUG messages for DAY: " + result.getCreated().size() + " created");
for (IndexEntry<MessageEntry> i: macc) if (!(result.getCreated().contains(i.getId()))) existed.add(i.getId());
//DAO.log("***DEBUG messages for DAY: " + existed.size() + " existed");
limitDate.setTime(DateParser.oneWeekAgo().getTime());
macc = messageBulk.stream().filter(i -> !(existed.contains(i.getObject().getIdStr()))).filter(i -> i.getObject().getCreatedAt().after(limitDate)).collect(Collectors.toList());
//DAO.log("***DEBUG messages for WEEK: " + macc.size());
result = messages_week.writeEntries(macc);
//DAO.log("***DEBUG messages for WEEK: " + result.getCreated().size() + " created");
for (IndexEntry<MessageEntry> i: macc) if (!(result.getCreated().contains(i.getId()))) existed.add(i.getId());
//DAO.log("***DEBUG messages for WEEK: " + existed.size() + " existed");
macc = messageBulk.stream().filter(i -> !(existed.contains(i.getObject().getIdStr()))).collect(Collectors.toList());
//DAO.log("***DEBUG messages for ALL : " + macc.size());
result = messages.writeEntries(macc);
//DAO.log("***DEBUG messages for ALL: " + result.getCreated().size() + " created");
for (IndexEntry<MessageEntry> i: macc) if (!(result.getCreated().contains(i.getId()))) existed.add(i.getId());
//DAO.log("***DEBUG messages for ALL: " + existed.size() + " existed");
users.writeEntries(userBulk);
} catch (IOException e) {
Log.getLog().warn(e);
}
if (result == null) return new HashSet<String>();
return result.getCreated();
}
private static Set<String> writeMessageBulkDump(Collection<MessageWrapper> mws) {
Set<String> created = writeMessageBulkNoDump(mws);
for (MessageWrapper mw: mws) try {
if (!created.contains(mw.t.getIdStr())) continue;
synchronized (DAO.class) {
// record tweet into text file
message_dump.write(mw.t.toJSON(mw.u, false, Integer.MAX_VALUE, ""));
}
// teach the classifier
Classifier.learnPhrase(mw.t.getText());
} catch (IOException e) {
Log.getLog().warn(e);
}
return created;
}
/**
* Store an account together with a user into the search index
* This method is synchronized to prevent concurrent IO caused by this call.
* @param a an account
* @param dump
* @return true if the record was stored because it did not exist, false if it was not stored because the record existed already
*/
public static boolean writeAccount(AccountEntry a, boolean dump) {
try {
// record account into text file
if (dump) account_dump.write(a.toJSON(null));
// record account into search index
accounts.writeEntry(new IndexEntry<AccountEntry>(a.getScreenName(), a.getSourceType(), a));
} catch (IOException e) {
Log.getLog().warn(e);
}
return true;
}
/**
* Store an import profile into the search index
* This method is synchronized to prevent concurrent IO caused by this call.
* @param i an import profile
* @return true if the record was stored because it did not exist, false if it was not stored because the record existed already
*/
public static boolean writeImportProfile(ImportProfileEntry i, boolean dump) {
try {
// record import profile into text file
if (dump) import_profile_dump.write(i.toJSON());
// record import profile into search index
importProfiles.writeEntry(new IndexEntry<ImportProfileEntry>(i.getId(), i.getSourceType(), i));
} catch (IOException e) {
Log.getLog().warn(e);
}
return true;
}
private static long countLocalHourMessages(final long millis, boolean created_at) {
if (millis > 3600000L) return countLocalDayMessages(millis, created_at);
if (created_at && millis == 3600000L) return elasticsearch_client.count(IndexName.messages_hour.name());
return elasticsearch_client.count(
created_at ? IndexName.messages_hour.name() : IndexName.messages_week.name(),
created_at ? AbstractObjectEntry.CREATED_AT_FIELDNAME : AbstractObjectEntry.TIMESTAMP_FIELDNAME,
millis);
}
private static long countLocalDayMessages(final long millis, boolean created_at) {
if (millis > 86400000L) return countLocalWeekMessages(millis, created_at);
if (created_at && millis == 86400000L) return elasticsearch_client.count(IndexName.messages_hour.name());
return elasticsearch_client.count(
created_at ? IndexName.messages_day.name() : IndexName.messages.name(),
created_at ? AbstractObjectEntry.CREATED_AT_FIELDNAME : AbstractObjectEntry.TIMESTAMP_FIELDNAME,
millis);
}
private static long countLocalWeekMessages(final long millis, boolean created_at) {
if (millis > 604800000L) return countLocalMessages(millis, created_at);
if (created_at && millis == 604800000L) return elasticsearch_client.count(IndexName.messages_hour.name());
return elasticsearch_client.count(
created_at ? IndexName.messages_week.name() : IndexName.messages.name(),
created_at ? AbstractObjectEntry.CREATED_AT_FIELDNAME : AbstractObjectEntry.TIMESTAMP_FIELDNAME,
millis);
}
public static long countLocalMessages(final long millis, boolean created_at) {
if (millis == 0) return 0;
if (millis > 0) {
if (millis <= 3600000L) return countLocalHourMessages(millis, created_at);
if (millis <= 86400000L) return countLocalDayMessages(millis, created_at);
if (millis <= 604800000L) return countLocalWeekMessages(millis, created_at);
}
return elasticsearch_client.count(
IndexName.messages.name(),
created_at ? AbstractObjectEntry.CREATED_AT_FIELDNAME : AbstractObjectEntry.TIMESTAMP_FIELDNAME,
millis == Long.MAX_VALUE ? -1 : millis);
}
public static long countLocalMessages() {
return elasticsearch_client.count(IndexName.messages.name(), AbstractObjectEntry.TIMESTAMP_FIELDNAME, -1);
}
public static long countLocalMessages(String provider_hash) {
return elasticsearch_client.countLocal(IndexName.messages.name(), provider_hash);
}
public static long countLocalUsers() {
return elasticsearch_client.count(IndexName.users.name(), AbstractObjectEntry.TIMESTAMP_FIELDNAME, -1);
}
public static long countLocalQueries() {
return elasticsearch_client.count(IndexName.queries.name(), AbstractObjectEntry.TIMESTAMP_FIELDNAME, -1);
}
public static long countLocalAccounts() {
return elasticsearch_client.count(IndexName.accounts.name(), AbstractObjectEntry.TIMESTAMP_FIELDNAME, -1);
}
public static MessageEntry readMessage(String id) throws IOException {
MessageEntry m = null;
return messages_hour != null && ((m = messages_hour.read(id)) != null) ? m :
messages_day != null && ((m = messages_day.read(id)) != null) ? m :
messages_week != null && ((m = messages_week.read(id)) != null) ? m :
messages.read(id);
}
public static boolean existMessage(String id) {
return messages_hour != null && messages_hour.exists(id) ||
messages_day != null && messages_day.exists(id) ||
messages_week != null && messages_week.exists(id) ||
messages != null && messages.exists(id);
}
public static boolean existUser(String id) {
return users.exists(id);
}
public static boolean existQuery(String id) {
return queries.exists(id);
}
public static boolean deleteQuery(String id, SourceType sourceType) {
return queries.delete(id, sourceType);
}
public static boolean deleteImportProfile(String id, SourceType sourceType) {
return importProfiles.delete(id, sourceType);
}
public static int deleteOld(IndexName indexName, Date createDateLimit) {
RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery(AbstractObjectEntry.CREATED_AT_FIELDNAME).to(createDateLimit);
return elasticsearch_client.deleteByQuery(indexName.name(), rangeQuery);
}
public static class SearchLocalMessages {
public Timeline timeline;
public Map<String, List<Map.Entry<String, Long>>> aggregations;
public ElasticsearchClient.Query query;
/**
* Search the local message cache using a elasticsearch query.
* @param q - the query, for aggregation this which should include a time frame in the form since:yyyy-MM-dd until:yyyy-MM-dd
* @param order_field - the field to order the results, i.e. Timeline.Order.CREATED_AT
* @param timezoneOffset - an offset in minutes that is applied on dates given in the query of the form since:date until:date
* @param resultCount - the number of messages in the result; can be zero if only aggregations are wanted
* @param aggregationLimit - the maximum count of facet entities, not search results
* @param aggregationFields - names of the aggregation fields. If no aggregation is wanted, pass no (zero) field(s)
* @param filterList - list of filters in String datatype
*/
public SearchLocalMessages (
final String q,
final Timeline.Order order_field,
final int timezoneOffset,
final int resultCount,
final int aggregationLimit,
final ArrayList<String> filterList,
final String... aggregationFields
) {
this.timeline = new Timeline(order_field);
QueryEntry.ElasticsearchQuery sq = new QueryEntry.ElasticsearchQuery(q, timezoneOffset, filterList);
long interval = sq.until.getTime() - sq.since.getTime();
IndexName resultIndex;
if (aggregationFields.length > 0 && q.contains("since:")) {
if (q.contains("since:hour")) {
this.query = elasticsearch_client.query((resultIndex = IndexName.messages_hour).name(), sq.queryBuilder, order_field.getMessageFieldName(), timezoneOffset, resultCount, interval, AbstractObjectEntry.CREATED_AT_FIELDNAME, aggregationLimit, aggregationFields);
} else if (q.contains("since:day")) {
this.query = elasticsearch_client.query((resultIndex = IndexName.messages_day).name(), sq.queryBuilder, order_field.getMessageFieldName(), timezoneOffset, resultCount, interval, AbstractObjectEntry.CREATED_AT_FIELDNAME, aggregationLimit, aggregationFields);
} else if (q.contains("since:week")) {
this.query = elasticsearch_client.query((resultIndex = IndexName.messages_week).name(), sq.queryBuilder, order_field.getMessageFieldName(), timezoneOffset, resultCount, interval, AbstractObjectEntry.CREATED_AT_FIELDNAME, aggregationLimit, aggregationFields);
} else {
this.query = elasticsearch_client.query((resultIndex = IndexName.messages).name(), sq.queryBuilder, order_field.getMessageFieldName(), timezoneOffset, resultCount, interval, AbstractObjectEntry.CREATED_AT_FIELDNAME, aggregationLimit, aggregationFields);
}
} else {
// use only a time frame that is sufficient for a result
this.query = elasticsearch_client.query((resultIndex = IndexName.messages_hour).name(), sq.queryBuilder, order_field.getMessageFieldName(), timezoneOffset, resultCount, interval, AbstractObjectEntry.CREATED_AT_FIELDNAME, aggregationLimit, aggregationFields);
if (!q.contains("since:hour") && insufficient(this.query, resultCount, aggregationLimit, aggregationFields)) {
this.query = elasticsearch_client.query((resultIndex = IndexName.messages_day).name(), sq.queryBuilder, order_field.getMessageFieldName(), timezoneOffset, resultCount, interval, AbstractObjectEntry.CREATED_AT_FIELDNAME, aggregationLimit, aggregationFields);
if (!q.contains("since:day") && insufficient(this.query, resultCount, aggregationLimit, aggregationFields)) {
this.query = elasticsearch_client.query((resultIndex = IndexName.messages_week).name(), sq.queryBuilder, order_field.getMessageFieldName(), timezoneOffset, resultCount, interval, AbstractObjectEntry.CREATED_AT_FIELDNAME, aggregationLimit, aggregationFields);
if (!q.contains("since:week") && insufficient(this.query, resultCount, aggregationLimit, aggregationFields)) {
this.query = elasticsearch_client.query((resultIndex = IndexName.messages).name(), sq.queryBuilder, order_field.getMessageFieldName(), timezoneOffset, resultCount, interval, AbstractObjectEntry.CREATED_AT_FIELDNAME, aggregationLimit, aggregationFields);
}}}
}
timeline.setHits(query.hitCount);
timeline.setResultIndex(resultIndex);
// evaluate search result
for (Map<String, Object> map: query.result) {
MessageEntry tweet = new MessageEntry(new JSONObject(map));
try {
UserEntry user = users.read(tweet.getScreenName());
assert user != null;
if (user != null) {
timeline.add(tweet, user);
}
} catch (IOException e) {
Log.getLog().warn(e);
}
}
this.aggregations = query.aggregations;
}
public SearchLocalMessages (
final String q,
final Timeline.Order order_field,
final int timezoneOffset,
final int resultCount,
final int aggregationLimit,
final String... aggregationFields
) {
this(
q,