provide dao getter service.

apm-collector/apm-collector-core/src/main/resources/application-default.yml

@@ -31,10 +31,8 @@ gRPC_manager:
 #  grpc:
 #    host: localhost
 #    port: 11800
-#storage:
-#  elasticsearch:
-#    cluster_name: CollectorDBCluster
-#    cluster_transport_sniffer: true
-#    cluster_nodes: localhost:9300
-#    index_shards_number: 2
+storage:
+  h2:
+    url: jdbc:h2:~/memorydb
+    user_name: sa
+    password:
\ No newline at end of file
-#    index_replicas_number: 0
\ No newline at end of file

apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/skywalking/apm/collector/storage/StorageModule.java

@@ -19,6 +19,7 @@
 package org.skywalking.apm.collector.storage;
 
 import org.skywalking.apm.collector.core.module.Module;
+import org.skywalking.apm.collector.storage.service.DAOService;
 
 /**
  * @author peng-yongsheng
@@ -32,6 +33,6 @@ public class StorageModule extends Module {
     }
 
     @Override public Class[] services() {
-        return new Class[0];
+        return new Class[] {DAOService.class};
     }
 }

apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/skywalking/apm/collector/storage/base/dao/DAOContainer.java

@@ -24,9 +24,7 @@ import java.util.Map;
 /**
  * @author peng-yongsheng
  */
-public enum DAOContainer {
-    INSTANCE;
-
+public class DAOContainer {
     private Map<String, DAO> daos = new HashMap<>();
 
     public void put(String interfaceName, DAO dao) {

apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/skywalking/apm/collector/storage/sql/SqlBuilder.java → apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/skywalking/apm/collector/storage/base/sql/SqlBuilder.java

@@ -16,7 +16,7 @@
  * Project repository: https://github.com/OpenSkywalking/skywalking
  */
 
-package org.skywalking.apm.collector.storage.sql;
+package org.skywalking.apm.collector.storage.base.sql;
 
 import java.text.MessageFormat;
 import java.util.List;

apm-collector/apm-collector-storage/collector-storage-define/src/main/java/org/skywalking/apm/collector/storage/service/DAOService.java

+/*
+ * Copyright 2017, OpenSkywalking Organization All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Project repository: https://github.com/OpenSkywalking/skywalking
+ */
+
+package org.skywalking.apm.collector.storage.service;
+
+import org.skywalking.apm.collector.core.module.Service;
+import org.skywalking.apm.collector.storage.base.dao.DAO;
+
+/**
+ * @author peng-yongsheng
+ */
+public interface DAOService extends Service {
+    DAO get(Class<DAO> daoInterfaceClass);
+}

apm-collector/apm-collector-storage/collector-storage-es-provider/src/main/java/org/skywalking/apm/collector/storage/es/StorageModuleEsProvider.java

@@ -32,6 +32,8 @@ import org.skywalking.apm.collector.storage.base.dao.DAOContainer;
 import org.skywalking.apm.collector.storage.es.base.dao.EsDAO;
 import org.skywalking.apm.collector.storage.es.base.dao.EsDAODefineLoader;
 import org.skywalking.apm.collector.storage.es.base.define.ElasticSearchStorageInstaller;
+import org.skywalking.apm.collector.storage.es.service.ElasticSearchDAOService;
+import org.skywalking.apm.collector.storage.service.DAOService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -48,8 +50,13 @@ public class StorageModuleEsProvider extends ModuleProvider {
     private static final String INDEX_SHARDS_NUMBER = "index_shards_number";
     private static final String INDEX_REPLICAS_NUMBER = "index_replicas_number";
 
+    private final DAOContainer daoContainer;
     private ElasticSearchClient elasticSearchClient;
 
+    public StorageModuleEsProvider() {
+        this.daoContainer = new DAOContainer();
+    }
+
     @Override public String name() {
         return "elasticsearch";
     }
@@ -63,6 +70,8 @@ public class StorageModuleEsProvider extends ModuleProvider {
         Boolean clusterTransportSniffer = (Boolean)config.get(CLUSTER_TRANSPORT_SNIFFER);
         String clusterNodes = config.getProperty(CLUSTER_NODES);
         elasticSearchClient = new ElasticSearchClient(clusterName, clusterTransportSniffer, clusterNodes);
+
+        this.registerServiceImplementation(DAOService.class, new ElasticSearchDAOService(daoContainer));
     }
 
     @Override public void start(Properties config) throws ServiceNotProvidedException {
@@ -76,7 +85,7 @@ public class StorageModuleEsProvider extends ModuleProvider {
             esDAOs.forEach(esDAO -> {
                 esDAO.setClient(elasticSearchClient);
                 String interFaceName = esDAO.getClass().getInterfaces()[0].getName();
-                DAOContainer.INSTANCE.put(interFaceName, esDAO);
+                daoContainer.put(interFaceName, esDAO);
             });
 
             ElasticSearchStorageInstaller installer = new ElasticSearchStorageInstaller(indexShardsNumber, indexReplicasNumber);

apm-collector/apm-collector-storage/collector-storage-es-provider/src/main/java/org/skywalking/apm/collector/storage/es/service/ElasticSearchDAOService.java

+/*
+ * Copyright 2017, OpenSkywalking Organization All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Project repository: https://github.com/OpenSkywalking/skywalking
+ */
+
+package org.skywalking.apm.collector.storage.es.service;
+
+import org.skywalking.apm.collector.storage.base.dao.DAO;
+import org.skywalking.apm.collector.storage.base.dao.DAOContainer;
+import org.skywalking.apm.collector.storage.service.DAOService;
+
+/**
+ * @author peng-yongsheng
+ */
+public class ElasticSearchDAOService implements DAOService {
+
+    private final DAOContainer daoContainer;
+
+    public ElasticSearchDAOService(DAOContainer daoContainer) {
+        this.daoContainer = daoContainer;
+    }
+
+    @Override public DAO get(Class<DAO> daoInterfaceClass) {
+        return daoContainer.get(daoInterfaceClass.getName());
+    }
+}

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/StorageModuleH2Provider.java

@@ -32,6 +32,8 @@ import org.skywalking.apm.collector.storage.base.dao.DAOContainer;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAODefineLoader;
 import org.skywalking.apm.collector.storage.h2.base.define.H2StorageInstaller;
+import org.skywalking.apm.collector.storage.h2.service.H2DAOService;
+import org.skywalking.apm.collector.storage.service.DAOService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -47,6 +49,11 @@ public class StorageModuleH2Provider extends ModuleProvider {
     private static final String PASSWORD = "password";
 
     private H2Client client;
+    private final DAOContainer daoContainer;
+
+    public StorageModuleH2Provider() {
+        this.daoContainer = new DAOContainer();
+    }
 
     @Override public String name() {
         return "h2";
@@ -61,6 +68,8 @@ public class StorageModuleH2Provider extends ModuleProvider {
         String userName = config.getProperty(USER_NAME);
         String password = config.getProperty(PASSWORD);
         client = new H2Client(url, userName, password);
+
+        this.registerServiceImplementation(DAOService.class, new H2DAOService(daoContainer));
     }
 
     @Override public void start(Properties config) throws ServiceNotProvidedException {
@@ -72,7 +81,7 @@ public class StorageModuleH2Provider extends ModuleProvider {
             h2DAOs.forEach(h2DAO -> {
                 h2DAO.setClient(client);
                 String interFaceName = h2DAO.getClass().getInterfaces()[0].getName();
-                DAOContainer.INSTANCE.put(interFaceName, h2DAO);
+                daoContainer.put(interFaceName, h2DAO);
             });
 
             H2StorageInstaller installer = new H2StorageInstaller();

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/ApplicationH2CacheDAO.java

@@ -25,7 +25,7 @@ import org.skywalking.apm.collector.client.h2.H2ClientException;
 import org.skywalking.apm.collector.core.util.Const;
 import org.skywalking.apm.collector.storage.dao.IApplicationCacheDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.register.ApplicationTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/ApplicationH2DAO.java

@@ -25,7 +25,7 @@ import org.skywalking.apm.collector.client.h2.H2ClientException;
 import org.skywalking.apm.collector.core.data.Data;
 import org.skywalking.apm.collector.storage.dao.IApplicationDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.register.ApplicationDataDefine;
 import org.skywalking.apm.collector.storage.table.register.ApplicationTable;
 import org.slf4j.Logger;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/CpuMetricH2DAO.java

@@ -26,7 +26,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.ICpuMetricDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.jvm.CpuMetricTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/GCMetricH2DAO.java

@@ -26,7 +26,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.IGCMetricDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.jvm.GCMetricTable;
 
 /**

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/GlobalTraceH2DAO.java

@@ -27,7 +27,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.IGlobalTraceDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.global.GlobalTraceTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/InstPerformanceH2DAO.java

@@ -32,7 +32,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.IInstPerformanceDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.instance.InstPerformanceTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/InstanceH2CacheDAO.java

@@ -24,7 +24,7 @@ import org.skywalking.apm.collector.client.h2.H2Client;
 import org.skywalking.apm.collector.client.h2.H2ClientException;
 import org.skywalking.apm.collector.storage.dao.IInstanceCacheDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.register.InstanceTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/InstanceH2DAO.java

@@ -27,7 +27,7 @@ import org.skywalking.apm.collector.client.h2.H2ClientException;
 import org.skywalking.apm.collector.core.data.Data;
 import org.skywalking.apm.collector.storage.dao.IInstanceDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.register.InstanceDataDefine;
 import org.skywalking.apm.collector.storage.table.register.InstanceTable;
 import org.slf4j.Logger;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/InstanceHeartBeatH2DAO.java

@@ -33,7 +33,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.IInstanceHeartBeatDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.register.InstanceTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/MemoryMetricH2DAO.java

@@ -26,7 +26,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.IMemoryMetricDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.jvm.MemoryMetricTable;
 
 /**

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/MemoryPoolMetricH2DAO.java

@@ -26,7 +26,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.IMemoryPoolMetricDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.jvm.MemoryPoolMetricTable;
 
 /**

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/NodeComponentH2DAO.java

@@ -32,7 +32,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.INodeComponentDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.node.NodeComponentTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/NodeReferenceH2DAO.java

@@ -32,7 +32,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.INodeReferenceDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.noderef.NodeReferenceTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/SegmentCostH2DAO.java

@@ -26,7 +26,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.ISegmentCostDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.segment.SegmentCostTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/SegmentH2DAO.java

@@ -26,7 +26,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.ISegmentDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.segment.SegmentTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/ServiceEntryH2DAO.java

@@ -32,7 +32,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.IServiceEntryDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.service.ServiceEntryTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/ServiceNameH2CacheDAO.java

@@ -25,7 +25,7 @@ import org.skywalking.apm.collector.client.h2.H2ClientException;
 import org.skywalking.apm.collector.core.util.Const;
 import org.skywalking.apm.collector.storage.dao.IServiceNameCacheDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.register.ServiceNameTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/ServiceNameH2DAO.java

@@ -25,7 +25,7 @@ import org.skywalking.apm.collector.client.h2.H2ClientException;
 import org.skywalking.apm.collector.core.data.Data;
 import org.skywalking.apm.collector.storage.dao.IServiceNameDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.register.ServiceNameDataDefine;
 import org.skywalking.apm.collector.storage.table.register.ServiceNameTable;
 import org.slf4j.Logger;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/dao/ServiceReferenceH2DAO.java

@@ -32,7 +32,7 @@ import org.skywalking.apm.collector.core.data.DataDefine;
 import org.skywalking.apm.collector.storage.dao.IServiceReferenceDAO;
 import org.skywalking.apm.collector.storage.h2.base.dao.H2DAO;
 import org.skywalking.apm.collector.storage.h2.base.define.H2SqlEntity;
-import org.skywalking.apm.collector.storage.sql.SqlBuilder;
+import org.skywalking.apm.collector.storage.base.sql.SqlBuilder;
 import org.skywalking.apm.collector.storage.table.serviceref.ServiceReferenceTable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

apm-collector/apm-collector-storage/collector-storage-h2-provider/src/main/java/org/skywalking/apm/collector/storage/h2/service/H2DAOService.java

+/*
+ * Copyright 2017, OpenSkywalking Organization All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Project repository: https://github.com/OpenSkywalking/skywalking
+ */
+
+package org.skywalking.apm.collector.storage.h2.service;
+
+import org.skywalking.apm.collector.storage.base.dao.DAO;
+import org.skywalking.apm.collector.storage.base.dao.DAOContainer;
+import org.skywalking.apm.collector.storage.service.DAOService;
+
+/**
+ * @author peng-yongsheng
+ */
+public class H2DAOService implements DAOService {
+
+    private final DAOContainer daoContainer;
+
+    public H2DAOService(DAOContainer daoContainer) {
+        this.daoContainer = daoContainer;
+    }
+
+    @Override public DAO get(Class<DAO> daoInterfaceClass) {
+        return daoContainer.get(daoInterfaceClass.getName());
+    }
+}