1 files changed, 53 insertions, 0 deletions
diff --git a/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/repository/FilterRepository.java b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/repository/FilterRepository.java
new file mode 100644
index 000000000..cdedc5eb5
--- /dev/null
+++ b/models/src/main/java/org/onap/policy/clamp/models/acm/persistence/repository/FilterRepository.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 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.policy.clamp.models.acm.persistence.repository;
+
+import java.util.List;
+import org.onap.policy.models.base.PfConcept;
+import org.onap.policy.models.dao.PfFilterParametersIntfc;
+
+public interface FilterRepository {
+
+    /**
+     * Get an object from the database, referred to by concept key.
+     *
+     * @param <T> the type of the object to get, a subclass of {@link PfConcept}
+     * @param someClass the class of the object to get, a subclass of {@link PfConcept}, if name is null, all concepts
+     *        of type T are returned, if name is not null and version is null, all versions of that concept matching the
+     *        name are returned.
+     * @param filterParams filter parameters
+     * @return the objects that was retrieved from the database
+     */
+    <T extends PfConcept> List<T> getFiltered(Class<T> someClass, PfFilterParametersIntfc filterParams);
+
+    /**
+     * Get an object from the database, referred to by concept key.
+     *
+     * @param <T> the type of the object to get, a subclass of {@link PfConcept}
+     * @param someClass the class of the object to get, a subclass of {@link PfConcept}, if name is null, all concepts
+     *        of type T are returned, if name is not null and version is null, all versions of that concept matching the
+     *        name are returned.
+     * @param name the name of the object to get, null returns all objects
+     * @param version the version the object to get, null returns all objects for a specified name
+     * @return the objects that was retrieved from the database
+     */
+    <T extends PfConcept> List<T> getFiltered(Class<T> someClass, String name, String version);
+}