Improvements to Parameter Srvice

Add proper handling for optional parameters
Add setName() to the parameter group interface to force definition
of that method
Add some convenience metnods to parameter service

Issue-ID: POLICY-1035
Change-Id: Iaa9226f45215b00aff9b78ab5fc120c24a0af46d
Signed-off-by: liamfallon <liam.fallon@ericsson.com>

1 files changed, 56 insertions, 0 deletions

diff --git a/common-parameters/src/test/java/org/onap/policy/common/parameters/testclasses/ParameterGroupWithNullSubGroup.java b/common-parameters/src/test/java/org/onap/policy/common/parameters/testclasses/ParameterGroupWithNullSubGroup.java
new file mode 100644
index 00000000..830c8117
--- /dev/null
+++ b/common-parameters/src/test/java/org/onap/policy/common/parameters/testclasses/ParameterGroupWithNullSubGroup.java
@@ -0,0 +1,56 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.common.parameters.testclasses;
+
+import org.onap.policy.common.parameters.GroupValidationResult;
+import org.onap.policy.common.parameters.ParameterGroup;
+
+public class ParameterGroupWithNullSubGroup implements ParameterGroup {
+    private String name;
+    private ParameterGroup subGroup = null;
+
+    /**
+     * Create a test parameter group.
+     * @param name the parameter group name
+     */
+    public ParameterGroupWithNullSubGroup(final String name) {
+        this.name = name;
+    }
+
+    public ParameterGroup getSubGroup() {
+        return subGroup;
+    }
+
+    @Override
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public void setName(final String name) {
+        this.name = name;
+    }
+
+    @Override
+    public GroupValidationResult validate() {
+        return new GroupValidationResult(this);
+    }
+}