co.cask.cdap.examples.purchase.Purchase.java Source code

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Here is the source code for co.cask.cdap.examples.purchase.Purchase.java

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/*
 * Copyright  2014 Cask Data, Inc.
 *
 * 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 co.cask.cdap.examples.purchase;

import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableUtils;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

/**
 * This class represents a purchase made by a customer. It is a very simple class and only contains
 * the name of the customer, the name of the product, product quantity, price paid, and the purchase time.
 */
public class Purchase implements Writable {

    private String customer, product;
    private int quantity, price;
    private long purchaseTime;
    private String catalogId;

    public Purchase() {
    }

    public Purchase(Purchase other) {
        this(other.getCustomer(), other.getProduct(), other.getQuantity(), other.getPrice(),
                other.getPurchaseTime());
    }

    public Purchase(String customer, String product, int quantity, int price, long purchaseTime) {
        this.customer = customer;
        this.product = product;
        this.quantity = quantity;
        this.price = price;
        this.purchaseTime = purchaseTime;
        this.catalogId = "";
    }

    public String getCustomer() {
        return customer;
    }

    public String getProduct() {
        return product;
    }

    public long getPurchaseTime() {
        return purchaseTime;
    }

    public int getQuantity() {
        return quantity;
    }

    public int getPrice() {
        return price;
    }

    public String getCatalogId() {
        return catalogId;
    }

    public void setCatalogId(String catalogId) {
        this.catalogId = catalogId;
    }

    @Override
    public void write(DataOutput out) throws IOException {
        WritableUtils.writeString(out, customer);
        WritableUtils.writeString(out, product);
        WritableUtils.writeVInt(out, quantity);
        WritableUtils.writeVInt(out, price);
        WritableUtils.writeVLong(out, purchaseTime);
        WritableUtils.writeString(out, catalogId);
    }

    @Override
    public void readFields(DataInput in) throws IOException {
        customer = WritableUtils.readString(in);
        product = WritableUtils.readString(in);
        quantity = WritableUtils.readVInt(in);
        price = WritableUtils.readVInt(in);
        purchaseTime = WritableUtils.readVLong(in);
        catalogId = WritableUtils.readString(in);
    }
}