// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 querycoord

type MockCluster struct {
	Cluster

	isOnlineHandler func(nodeID int64) (bool, error)
}

func NewMockCluster(cluster Cluster) *MockCluster {
	return &MockCluster{
		Cluster: cluster,
	}
}

func (mock *MockCluster) IsOnline(nodeID int64) (bool, error) {
	if mock.isOnlineHandler != nil {
		return mock.isOnlineHandler(nodeID)
	}

	return mock.Cluster.IsOnline(nodeID)
}