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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* 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.
* ============LICENSE_END============================================
* ===================================================================
*
*/
package org.onap.clamp.policy.operational;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.annotations.Expose;
import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import org.hibernate.annotations.Type;
import org.hibernate.annotations.TypeDef;
import org.hibernate.annotations.TypeDefs;
import org.onap.clamp.dao.model.jsontype.StringJsonUserType;
import org.onap.clamp.loop.Loop;
import org.onap.clamp.policy.Policy;
import org.yaml.snakeyaml.Yaml;
@Entity
@Table(name = "operational_policies")
@TypeDefs({ @TypeDef(name = "json", typeClass = StringJsonUserType.class) })
public class OperationalPolicy implements Serializable, Policy {
/**
* The serial version ID.
*/
private static final long serialVersionUID = 6117076450841538255L;
@Id
@Expose
@Column(nullable = false, name = "name", unique = true)
private String name;
@Expose
@Type(type = "json")
@Column(columnDefinition = "json", name = "configurations_json")
private JsonObject configurationsJson;
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "loop_id", nullable = false)
private Loop loop;
public OperationalPolicy() {
// Serialization
}
/**
* The constructor.
*
* @param name
* The name of the operational policy
* @param loop
* The loop that uses this operational policy
* @param configurationsJson
* The operational policy property in the format of json
*/
public OperationalPolicy(String name, Loop loop, JsonObject configurationsJson) {
this.name = name;
this.loop = loop;
this.configurationsJson = configurationsJson;
}
@Override
public String getName() {
return name;
}
public void setLoop(Loop loopName) {
this.loop = loopName;
}
public Loop getLoop() {
return loop;
}
@Override
public JsonObject getJsonRepresentation() {
return configurationsJson;
}
public JsonObject getConfigurationsJson() {
return configurationsJson;
}
public void setConfigurationsJson(JsonObject configurationsJson) {
this.configurationsJson = configurationsJson;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
OperationalPolicy other = (OperationalPolicy) obj;
if (name == null) {
if (other.name != null) {
return false;
}
} else if (!name.equals(other.name)) {
return false;
}
return true;
}
public String createPolicyPayloadYaml() {
JsonObject policyPayloadResult = new JsonObject();
policyPayloadResult.addProperty("tosca_definitions_version", "tosca_simple_yaml_1_0_0");
JsonObject topologyTemplateNode = new JsonObject();
policyPayloadResult.add("topology_template", topologyTemplateNode);
JsonArray policiesArray = new JsonArray();
topologyTemplateNode.add("policies", policiesArray);
JsonObject operationalPolicy = new JsonObject();
policiesArray.add(operationalPolicy);
JsonObject operationalPolicyDetails = new JsonObject();
operationalPolicy.add(this.name, operationalPolicyDetails);
operationalPolicyDetails.addProperty("type", "onap.policies.controlloop.Operational");
operationalPolicyDetails.addProperty("version", "1.0.0");
JsonObject metadata = new JsonObject();
operationalPolicyDetails.add("metadata", metadata);
metadata.addProperty("policy-id", this.name);
operationalPolicyDetails.add("properties", this.configurationsJson.get("operational_policy"));
Gson gson = new GsonBuilder().create();
Map<?, ?> jsonMap = gson.fromJson(gson.toJson(policyPayloadResult), Map.class);
return (new Yaml()).dump(jsonMap);
}
public String createPolicyPayloadYamlLegacy() {
Gson gson = new GsonBuilder().create();
Map<?, ?> jsonMap = gson.fromJson(gson.toJson(this.configurationsJson.get("operational_policy")), Map.class);
return (new Yaml()).dump(jsonMap);
}
@Override
public String createPolicyPayload() throws UnsupportedEncodingException {
// Now the Yaml payload must be injected in a json ...
JsonObject payload = new JsonObject();
payload.addProperty("policy-id", this.getName());
payload.addProperty("content",
URLEncoder.encode(createPolicyPayloadYamlLegacy(), StandardCharsets.UTF_8.toString()));
return new GsonBuilder().setPrettyPrinting().create().toJson(payload);
}
/**
* Return a map containing all Guard policies indexed by Guard policy Name.
*
* @return The Guards map
*/
public Map<String, String> createGuardPolicyPayloads() {
Map<String, String> result = new HashMap<>();
JsonElement guardsList = this.getConfigurationsJson().get("guard_policies");
if (guardsList != null) {
for (Entry<String, JsonElement> guardElem : guardsList.getAsJsonObject().entrySet()) {
JsonObject guard = new JsonObject();
guard.addProperty("policy-id", guardElem.getKey());
guard.add("content", guardElem.getValue());
result.put(guardElem.getKey(), new GsonBuilder().create().toJson(guard));
}
}
return result;
}
}
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