--- /dev/null
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 Nordix Foundation.
+ * Modifications Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.models.pdp.concepts;
+
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.ToString;
+import org.onap.policy.models.base.PfUtils;
+import org.onap.policy.models.pdp.enums.PdpState;
+import org.onap.policy.models.tosca.simple.concepts.ToscaEntityType;
+
+/**
+ * Class to represent a PDPGroup, which groups multiple PDPSubGroup entities together for
+ * a particular domain.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
+ */
+@Getter
+@Setter
+@ToString
+@NoArgsConstructor
+public class PdpGroup extends ToscaEntityType {
+ private static final long serialVersionUID = 1L;
+
+ private PdpState pdpGroupState;
+ private Map<String, String> properties;
+ private List<PdpSubGroup> pdpSubgroups;
+
+ /*
+ * Note: removed "@NotNull" annotation from the constructor argument, because it
+ * cannot be covered by a junit test, as the superclass does the check and throws an
+ * exception first.
+ */
+
+ /**
+ * Constructs the object, making a deep copy from the source.
+ *
+ * @param source source from which to copy fields
+ */
+ public PdpGroup(PdpGroup source) {
+ super(source);
+ this.pdpGroupState = source.pdpGroupState;
+ this.properties = (source.properties == null ? null : new LinkedHashMap<>(source.properties));
+ this.pdpSubgroups = PfUtils.mapList(source.pdpSubgroups, PdpSubGroup::new);
+ }
+}