Monitoring policy creation foundation

[policy/xacml-pdp.git] / applications / guard / src / main / java / org / onap / policy / xacml / pdp / application / guard / GuardPdpApplication.java

diff --git a/applications/guard/src/main/java/org/onap/policy/xacml/pdp/application/guard/GuardPdpApplication.java b/applications/guard/src/main/java/org/onap/policy/xacml/pdp/application/guard/GuardPdpApplication.java
new file mode 100644 (file)
index 0000000..e8a5113
--- /dev/null
+++ b/applications/guard/src/main/java/org/onap/policy/xacml/pdp/application/guard/GuardPdpApplication.java
@@ -0,0 +1,107 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * 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.xacml.pdp.application.guard;
+
+import com.google.common.collect.Lists;
+
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.json.JSONObject;
+import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This class implements the onap.policies.controlloop.Guard policy implementations.
+ *
+ * @author pameladragosh
+ *
+ */
+public class GuardPdpApplication implements XacmlApplicationServiceProvider {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(GuardPdpApplication.class);
+    private static final String STRING_VERSION100 = "1.0.0";
+    private Map<String, String> supportedPolicyTypes = new HashMap<>();
+    private Path pathForData;
+
+    /** Constructor.
+     *
+     */
+    public GuardPdpApplication() {
+        this.supportedPolicyTypes.put("onap.policies.controlloop.guard.FrequencyLimiter", STRING_VERSION100);
+        this.supportedPolicyTypes.put("onap.policies.controlloop.guard.MinMax", STRING_VERSION100);
+    }
+
+    @Override
+    public String applicationName() {
+        return "Guard Application";
+    }
+
+    @Override
+    public List<String> actionDecisionsSupported() {
+        return Arrays.asList("guard");
+    }
+
+    @Override
+    public void initialize(Path pathForData) {
+        //
+        // Save the path
+        //
+        this.pathForData = pathForData;
+        LOGGER.debug("New Path is {}", this.pathForData.toAbsolutePath());
+    }
+
+    @Override
+    public List<String> supportedPolicyTypes() {
+        return Lists.newArrayList(supportedPolicyTypes.keySet());
+    }
+
+    @Override
+    public boolean canSupportPolicyType(String policyType, String policyTypeVersion) {
+        //
+        // For the time being, restrict this if the version isn't known.
+        // Could be too difficult to support changing of versions dynamically.
+        //
+        if (! this.supportedPolicyTypes.containsKey(policyType)) {
+            return false;
+        }
+        //
+        // Must match version exactly
+        //
+        return this.supportedPolicyTypes.get(policyType).equals(policyTypeVersion);
+    }
+
+    @Override
+    public void loadPolicies(Map<String, Object> toscaPolicies) {
+    }
+
+    @Override
+    public JSONObject makeDecision(JSONObject jsonSchema) {
+        return null;
+    }
+
+}