114 lines
3.8 KiB
Java
114 lines
3.8 KiB
Java
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.entity.DocumentCreateEntity;
|
||
import com.arangodb.entity.ErrorEntity;
|
||
import com.arangodb.entity.MultiDocumentEntity;
|
||
import com.arangodb.model.AqlQueryOptions;
|
||
import com.arangodb.model.DocumentCreateOptions;
|
||
import com.arangodb.util.MapBuilder;
|
||
|
||
import java.util.ArrayList;
|
||
import java.util.Collection;
|
||
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();
|
||
}
|
||
}
|
||
|
||
@Deprecated
|
||
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();
|
||
}
|
||
}
|
||
|
||
public <T> void overwrite(ArrayList<T> docOverwrite,String collectionName){
|
||
ArangoDatabase database = getDatabase();
|
||
try {
|
||
ArangoCollection collection = database.collection(collectionName);
|
||
if (!docOverwrite.isEmpty()){
|
||
DocumentCreateOptions documentCreateOptions = new DocumentCreateOptions();
|
||
documentCreateOptions.overwrite(true);
|
||
documentCreateOptions.silent(true);
|
||
MultiDocumentEntity<DocumentCreateEntity<T>> documentCreateEntityMultiDocumentEntity = collection.insertDocuments(docOverwrite, documentCreateOptions);
|
||
Collection<ErrorEntity> errors = documentCreateEntityMultiDocumentEntity.getErrors();
|
||
for (ErrorEntity errorEntity:errors){
|
||
System.out.println("写入arangoDB异常："+errorEntity.getErrorMessage());
|
||
}
|
||
}
|
||
}catch (Exception e){
|
||
System.out.println("更新失败："+e.toString());
|
||
}finally {
|
||
docOverwrite.clear();
|
||
}
|
||
}
|
||
|
||
|
||
|
||
}
|