FactPurchase.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.ignite.examples.datagrid.starschema;

import org.apache.ignite.cache.CacheMode;
import org.apache.ignite.cache.query.annotations.QuerySqlField;

/**
 * Represents a purchase record. In our {@code snowflake} schema purchase
 * is a {@code 'fact'} and will be cached in larger {@link CacheMode#PARTITIONED}
 * cache.
 */
public class FactPurchase {
    /** Primary key. */
    @QuerySqlField(index = true)
    private int id;

    /** Foreign key to store at which purchase occurred. */
    @QuerySqlField
    private int storeId;

    /** Foreign key to purchased product. */
    @QuerySqlField
    private int productId;

    /** Purchase price. */
    @QuerySqlField
    private float purchasePrice;

    /**
     * Constructs a purchase record.
     *
     * @param id Purchase ID.
     * @param productId Purchased product ID.
     * @param storeId Store ID.
     * @param purchasePrice Purchase price.
     */
    public FactPurchase(int id, int productId, int storeId, float purchasePrice) {
        this.id = id;
        this.productId = productId;
        this.storeId = storeId;
        this.purchasePrice = purchasePrice;
    }

    /**
     * Gets purchase ID.
     *
     * @return Purchase ID.
     */
    public int getId() {
        return id;
    }

    /**
     * Gets purchased product ID.
     *
     * @return Product ID.
     */
    public int getProductId() {
        return productId;
    }

    /**
     * Gets ID of store at which purchase was made.
     *
     * @return Store ID.
     */
    public int getStoreId() {
        return storeId;
    }

    /**
     * Gets purchase price.
     *
     * @return Purchase price.
     */
    public float getPurchasePrice() {
        return purchasePrice;
    }

    /** {@inheritDoc} */
    @Override public String toString() {
        return "FactPurchase [id=" + id +
            ", productId=" + productId +
            ", storeId=" + storeId +
            ", purchasePrice=" + purchasePrice + ']';
    }
}