diff options
Diffstat (limited to 'src/main/java/org/onap/a1pesimulator/util/TopologyReader.java')
-rw-r--r-- | src/main/java/org/onap/a1pesimulator/util/TopologyReader.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/main/java/org/onap/a1pesimulator/util/TopologyReader.java b/src/main/java/org/onap/a1pesimulator/util/TopologyReader.java new file mode 100644 index 0000000..55e47cf --- /dev/null +++ b/src/main/java/org/onap/a1pesimulator/util/TopologyReader.java @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2021 Samsung Electronics + * 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.a1pesimulator.util; + +import java.io.File; +import java.util.Arrays; +import java.util.Collection; +import java.util.Collections; +import org.onap.a1pesimulator.data.cell.CellList; +import org.onap.a1pesimulator.data.ue.UserEquipment; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.stereotype.Service; + +@Service +public class TopologyReader { + + private final String topologyCellConfigFile; + private final String topologyUeConfigFile; + + private long topologyCellLastModified = 0L; + private long topologyUeLastModified = 0L; + + private TopologyReader(@Value("${topology.cell.config.file}") final String topologyCellConfigFile, + @Value("${topology.ue.config.file}") final String topologyUeConfigFile) { + this.topologyCellConfigFile = topologyCellConfigFile; + this.topologyUeConfigFile = topologyUeConfigFile; + } + + public CellList loadCellTopology() { + final File file = new File(topologyCellConfigFile); + topologyCellLastModified = file.lastModified(); + + if (!file.exists()) { + return new CellList(); + } + + return JsonUtils.INSTANCE.deserializeFromFile(topologyCellConfigFile, CellList.class); + } + + public Collection<UserEquipment> loadUeTopology() { + final File file = new File(topologyUeConfigFile); + topologyUeLastModified = file.lastModified(); + + if (!file.exists()) { + return Collections.emptyList(); + } + + final UserEquipment[] userEquipments = + JsonUtils.INSTANCE.deserializeFromFile(topologyUeConfigFile, UserEquipment[].class); + return Arrays.asList(userEquipments); + } + + public boolean topologyCellHasChanged() { + return topologyCellLastModified != new File(topologyCellConfigFile).lastModified(); + } + + public boolean topologyUeHasChanged() { + return topologyUeLastModified != new File(topologyUeConfigFile).lastModified(); + } +} |