first commit

This commit is contained in:
wanglihui
2020-06-28 18:29:39 +08:00
parent 9ffe686f3f
commit 2c9ff1aa3c
22 changed files with 1575 additions and 0 deletions

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package cn.ac.iie.utils;
import cn.ac.iie.config.ApplicationConfig;
import com.arangodb.ArangoCollection;
import com.arangodb.ArangoCursor;
import com.arangodb.ArangoDB;
import com.arangodb.ArangoDatabase;
import com.arangodb.model.AqlQueryOptions;
import com.arangodb.util.MapBuilder;
import java.util.ArrayList;
import java.util.Map;
public class ArangoDBConnect {
private static ArangoDB arangoDB = null;
private static ArangoDBConnect conn = null;
static {
getArangoDB();
}
private static void getArangoDB(){
arangoDB = new ArangoDB.Builder()
.maxConnections(ApplicationConfig.THREAD_POOL_NUMBER)
.host(ApplicationConfig.ARANGODB_HOST, ApplicationConfig.ARANGODB_PORT)
.user(ApplicationConfig.ARANGODB_USER)
.password(ApplicationConfig.ARANGODB_PASSWORD)
.build();
}
public static synchronized ArangoDBConnect getInstance(){
if (null == conn){
conn = new ArangoDBConnect();
}
return conn;
}
public ArangoDatabase getDatabase(){
return arangoDB.db(ApplicationConfig.ARANGODB_DB_NAME);
}
public static void clean(){
try {
if (arangoDB != null){
arangoDB.shutdown();
}
}catch (Exception e){
e.printStackTrace();
}
}
public <T> ArangoCursor<T> executorQuery(String query,Class<T> type){
ArangoDatabase database = getDatabase();
Map<String, Object> bindVars = new MapBuilder().get();
AqlQueryOptions options = new AqlQueryOptions().ttl(ApplicationConfig.ARANGODB_TTL);
try {
return database.query(query, bindVars, options, type);
}catch (Exception e){
e.printStackTrace();
return null;
}finally {
bindVars.clear();
}
}
public <T> void insertAndUpdate(ArrayList<T> docInsert,ArrayList<T> docUpdate,String collectionName){
ArangoDatabase database = getDatabase();
try {
ArangoCollection collection = database.collection(collectionName);
if (!docInsert.isEmpty()){
collection.importDocuments(docInsert);
}
if (!docUpdate.isEmpty()){
collection.replaceDocuments(docUpdate);
}
}catch (Exception e){
System.out.println("更新失败");
e.printStackTrace();
}finally {
docInsert.clear();
docInsert.clear();
}
}
}