--- /dev/null
+/*******************************************************************************
+ * Copyright 2017 ZTE, Inc. and others.
+ *
+ * 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.
+ ******************************************************************************/
+package org.onap.msb.sdk.httpclient.lb;
+
+import org.onap.msb.sdk.httpclient.ServiceHttpEndPointObject;
+
+/**
+ * 每个实际的策略对象在运行中会保持单例
+ *
+ * @author hu.rui
+ *
+ */
+public interface ILoadBalanceStrategy {
+
+ ServiceHttpEndPointObject chooseEndPointObject(LoadBalanceContext lbCtx);
+
+}