org.cf.serviceregistrybroker.model.Cost.java Source code

Introduction

Here is the source code for org.cf.serviceregistrybroker.model.Cost.java

Source

/*
 * Copyright 2014 the original author or authors.
 *
 * 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.
 */

package org.cf.serviceregistrybroker.model;

import org.springframework.util.Assert;

import com.fasterxml.jackson.annotation.JsonAnySetter;
import com.fasterxml.jackson.annotation.JsonBackReference;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import javax.persistence.CollectionTable;
import javax.persistence.Column;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.MapKeyColumn;
import javax.persistence.Table;

@Entity
@Table(name = "cost")
@JsonIgnoreProperties({ "id", "handler", "hibernateLazyInitializer", "planMetadata", "planmetadata_id" })
final class Cost {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private int id;

    @JsonBackReference
    @ManyToOne
    @JoinColumn(name = "planmetadata_id", insertable = true, updatable = false)
    // Mark insertable false for compound keys, shared primary key, cascaded key
    private PlanMetadata planmetadata;

    public PlanMetadata getPlanmetadata() {
        return planmetadata;
    }

    public void setPlanmetadata(PlanMetadata planmetadata) {
        this.planmetadata = planmetadata;
    }

    // any "other" tags/key-value pairs    
    @ElementCollection(fetch = FetchType.LAZY)
    @MapKeyColumn(name = "currency")
    @Column(name = "value")
    @CollectionTable(name = "cost_amounts", joinColumns = @JoinColumn(name = "cost_amounts_id"))
    private Map<String, Double> amount = new HashMap<String, Double>();

    private String unit = "MONTHLY";

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public void setAmount(Map<String, Double> amount) {
        this.amount = amount;
    }

    public Map<String, Double> getAmount() {
        Assert.notEmpty(this.amount, "Cost must specify at least one amount");
        return this.amount;
    }

    public String getUnit() {
        Assert.notNull(this.unit, "Cost must specify a unit");
        return this.unit;
    }

    public void setAmount(String currency, Double value) {
        this.amount.put(currency, value);
    }

    @JsonAnySetter
    public void set(String currency, Double value) {
        amount.put(currency, value);
    }

    void setUnit(String unit) {
        this.unit = unit;
    }

    public void update(Cost from) {
        if (from == null)
            return;

        if (from.amount != null) {
            for (String key : amount.keySet()) {
                this.set(key, amount.get(key));
            }
        }

    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + id;
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        Cost other = (Cost) obj;
        if (id != other.id)
            return false;
        return true;
    }

    @Override
    public String toString() {
        return "Cost [id=" + id + ", planmetadata=" + planmetadata + ", amount in usd=" + amount.get("usd")
                + ", unit=" + unit + "]";
    }

}