1 files changed, 58 insertions, 0 deletions
diff --git a/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/TrustLevelFilter.java b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/TrustLevelFilter.java
new file mode 100644
index 000000000..3b704ae4f
--- /dev/null
+++ b/cps-ncmp-service/src/main/java/org/onap/cps/ncmp/api/impl/trustlevel/TrustLevelFilter.java
@@ -0,0 +1,58 @@
+/*
+ *  ============LICENSE_START=======================================================
+ *  Copyright (C) 2023 Nordix Foundation
+ *  ================================================================================
+ *  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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.cps.ncmp.api.impl.trustlevel;
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Map;
+import lombok.EqualsAndHashCode;
+import lombok.NonNull;
+import lombok.RequiredArgsConstructor;
+
+@RequiredArgsConstructor
+@EqualsAndHashCode(onlyExplicitlyIncluded = true)
+public class TrustLevelFilter implements Comparable<TrustLevel> {
+
+    @EqualsAndHashCode.Include
+    private final TrustLevel targetTrustLevel;
+    private final Map<String, TrustLevel> trustLevelPerCmHandle;
+
+    @Override
+    public int compareTo(@NonNull final TrustLevel other) {
+        return Integer.compare(this.targetTrustLevel.getValue(), other.getValue());
+    }
+
+    /**
+     * This method return cm handles that matches with given trust level.
+     *
+     * @return cm handle ids.
+     */
+    public Collection<String> getAllCmHandleIdsByTargetTrustLevel() {
+        final Collection<String> resultCmHandleIds = new HashSet<>();
+        trustLevelPerCmHandle.entrySet().forEach(cmHandleTrustLevelEntrySet -> {
+            if (compareTo(cmHandleTrustLevelEntrySet.getValue()) == 0) {
+                resultCmHandleIds.add(cmHandleTrustLevelEntrySet.getKey());
+            }
+        });
+        return resultCmHandleIds;
+    }
+
+}