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package com.yahoo.vespa.hosted.controller.api.integration.billing;
/**
* Helper to track changes to an invoice.
*
* @author gjoranv
*/
public record InvoiceUpdate(int itemsAdded, int itemsRemoved, int itemsModified) {
public boolean isEmpty() {
return itemsAdded == 0 && itemsRemoved == 0 && itemsModified == 0;
}
public static InvoiceUpdate empty() {
return new InvoiceUpdate(0, 0, 0);
}
public static class Counter {
private int itemsAdded = 0;
private int itemsRemoved = 0;
private int itemsModified = 0;
public void addedItem() {
itemsAdded++;
}
public void removedItem() {
itemsRemoved++;
}
public void modifiedItem() {
itemsModified++;
}
public void add(InvoiceUpdate other) {
itemsAdded += other.itemsAdded;
itemsRemoved += other.itemsRemoved;
itemsModified += other.itemsModified;
}
public InvoiceUpdate finish() {
return new InvoiceUpdate(itemsAdded, itemsRemoved, itemsModified);
}
}
}
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