Inventory Management

Stock tracking with UniqueInventory (single warehouse) and MultiInventory (multiple warehouses). Automatically updates stock on order completion.

/*
 * Copyright 2017-2023 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
 *
 *      https://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.salespointframework.inventory;

import jakarta.persistence.Embeddable;
import jakarta.persistence.EmbeddedId;
import jakarta.persistence.EntityListeners;
import jakar

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