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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.microservice;

import com.google.gson.JsonObject;
import com.google.gson.annotations.Expose;

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.ManyToMany;
import javax.persistence.Table;

import org.hibernate.annotations.Type;
import org.hibernate.annotations.TypeDef;
import org.hibernate.annotations.TypeDefs;
import org.onap.clamp.clds.tosca.ToscaYamlToJsonConvertor;
import org.onap.clamp.clds.util.JsonUtils;
import org.onap.clamp.dao.model.jsontype.StringJsonUserType;
import org.onap.clamp.loop.Loop;
import org.onap.clamp.policy.Policy;

@Entity
@Table(name = "micro_service_policies")
@TypeDefs({ @TypeDef(name = "json", typeClass = StringJsonUserType.class) })
public class MicroServicePolicy implements Serializable, Policy {
    /**
     * The serial version ID.
     */
    private static final long serialVersionUID = 6271238288583332616L;

    @Expose
    @Id
    @Column(nullable = false, name = "name", unique = true)
    private String name;

    @Expose
    @Column(nullable = false, name = "model_type")
    private String modelType;

    @Expose
    @Column(nullable = false, name = "blueprint_name")
    private String blueprintName;

    @Expose
    @Type(type = "json")
    @Column(columnDefinition = "json", name = "properties")
    private JsonObject properties;

    @Expose
    @Column(name = "shared", nullable = false)
    private Boolean shared;

    @Column(columnDefinition = "MEDIUMTEXT", name = "policy_tosca", nullable = false)
    private String policyTosca;

    @Expose
    @Type(type = "json")
    @Column(columnDefinition = "json", name = "json_representation", nullable = false)
    private JsonObject jsonRepresentation;

    @ManyToMany(mappedBy = "microServicePolicies")
    private Set<Loop> usedByLoops = new HashSet<>();

    public MicroServicePolicy() {
        // serialization
    }

    /**
     * The constructor.
     * @param name The name of the MicroService
     * @param type The model type of the MicroService
     * @param blueprintName The name in the blueprint
     * @param policyTosca The policy Tosca of the MicroService
     * @param shared The flag indicate whether the MicroService is shared
     * @param usedByLoops The list of loops that uses this MicroService
     */
    public MicroServicePolicy(String name, String modelType, String policyTosca, Boolean shared, Set<Loop> usedByLoops, String blueprintName) {
        this.name = name;
        this.modelType = modelType;
        this.policyTosca = policyTosca;
        this.shared = shared;
        this.jsonRepresentation = JsonUtils.GSON_JPA_MODEL
            .fromJson(new ToscaYamlToJsonConvertor(null).parseToscaYaml(policyTosca), JsonObject.class);
        this.usedByLoops = usedByLoops;
        this.blueprintName = blueprintName;
    }

    /**
     * The constructor.
     * @param name The name of the MicroService
     * @param type The model type of the MicroService
     * @param blueprintName The name in the blueprint
     * @param policyTosca The policy Tosca of the MicroService
     * @param shared The flag indicate whether the MicroService is shared
     * @param jsonRepresentation The UI representation in json format
     * @param usedByLoops The list of loops that uses this MicroService
     */
    public MicroServicePolicy(String name, String modelType, String policyTosca, Boolean shared, JsonObject jsonRepresentation,
        Set<Loop> usedByLoops, String blueprintName) {
        this.name = name;
        this.modelType = modelType;
        this.policyTosca = policyTosca;
        this.shared = shared;
        this.usedByLoops = usedByLoops;
        this.jsonRepresentation = jsonRepresentation;
        this.blueprintName = blueprintName;
    }

    @Override
    public String getName() {
        return name;
    }

    public String getModelType() {
        return modelType;
    }

    public String getBlueprintName() {
        return blueprintName;
    }

    public JsonObject getProperties() {
        return properties;
    }

    public void setProperties(JsonObject properties) {
        this.properties = properties;
    }

    public Boolean getShared() {
        return shared;
    }

    public void setShared(Boolean shared) {
        this.shared = shared;
    }

    public String getPolicyTosca() {
        return policyTosca;
    }

    public void setPolicyTosca(String policyTosca) {
        this.policyTosca = policyTosca;
    }

    @Override
    public JsonObject getJsonRepresentation() {
        return jsonRepresentation;
    }

    public void setJsonRepresentation(JsonObject jsonRepresentation) {
        this.jsonRepresentation = jsonRepresentation;
    }

    public Set<Loop> getUsedByLoops() {
        return usedByLoops;
    }

    public void setUsedByLoops(Set<Loop> usedBy) {
        this.usedByLoops = usedBy;
    }

    @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;
        }
        MicroServicePolicy other = (MicroServicePolicy) obj;
        if (name == null) {
            if (other.name != null) {
                return false;
            }
        } else if (!name.equals(other.name)) {
            return false;
        }
        return true;
    }

}