openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/merge/LineItem.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.openjpa.persistence.merge;

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

@Entity
@Table( name = "ITEM_TABLE" )
// Remove this @IdClass, and one of the @Id (i.e. use a single PK, not a compound PK
// and the test will work fine!!!!!
@IdClass( LineItemPK.class )
public class LineItem {
	@Id
	@Column( name = "ORDER_ID", nullable = false )
	private Long orderId;

	@Id
	@Column( name = "ITEM_ID", nullable = false )
	private Long itemId;

	@Column( name = "PRODUCT_NAME", nullable = false )
	private String productName;

	@Column( name = "QUANTITY", nullable = false )
	private int quantity;

	@Column( name = "PRICE", nullable = false )
	private float price;

	public LineItem() {
	}

	public LineItem( String productName, int quantity, float price ) {
		this();
		this.productName = productName;
		this.quantity = quantity;
		this.price = price;
	}

	public String getProductName() {
		return productName;
	}

	public void setProductName(String productName) {
		this.productName = productName;
	}

	public int getQuantity() {
		return quantity;
	}

	public void setQuantity(int quantity) {
		this.quantity = quantity;
	}

	public float getPrice() {
		return price;
	}

	public void setPrice(float price) {
		this.price = price;
	}

	public Long getOrderId() {
		return orderId;
	}

	public void setOrderId(Long orderId) {
		this.orderId = orderId;
	}

	public Long getItemId() {
		return itemId;
	}

	public void setItemId(Long itemId) {
		this.itemId = itemId;
	}

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((itemId == null) ? 0 : itemId.hashCode());
        result = prime * result + ((orderId == null) ? 0 : orderId.hashCode());
        result = prime * result + Float.floatToIntBits(price);
        result = prime * result + ((productName == null) ? 0 : productName.hashCode());
        result = prime * result + quantity;
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        LineItem other = (LineItem) obj;
        if (itemId == null) {
            if (other.itemId != null)
                return false;
        } else if (!itemId.equals(other.itemId))
            return false;
        if (orderId == null) {
            if (other.orderId != null)
                return false;
        } else if (!orderId.equals(other.orderId))
            return false;
        if (Float.floatToIntBits(price) != Float.floatToIntBits(other.price))
            return false;
        if (productName == null) {
            if (other.productName != null)
                return false;
        } else if (!productName.equals(other.productName))
            return false;
        if (quantity != other.quantity)
            return false;
        return true;
    }
}