Java tutorial
/* * Copyright (c) 2014-2015 Red Hat, Inc. and/or its affiliates. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Cheng Fang - Initial API and implementation */ package org.jberet.support.io; import java.util.Date; import javax.validation.constraints.NotNull; import javax.validation.constraints.Past; import com.fasterxml.jackson.annotation.JsonAutoDetect; import com.fasterxml.jackson.annotation.JsonProperty; /** * Extends {@link StockTradeBase} with a {@code java.util.Date} field, which should be able to be serialized and * deserialized with no extra configuration. */ @JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.ANY, getterVisibility = JsonAutoDetect.Visibility.NONE, setterVisibility = JsonAutoDetect.Visibility.NONE) public class StockTrade extends StockTradeBase { private static final long serialVersionUID = 671273522774714965L; @NotNull @Past @JsonProperty("Date") Date date; public Date getDate() { return date; } public void setDate(final Date date) { this.date = date; } @Override public String toString() { final StringBuilder sb = new StringBuilder("StockTrade{"); sb.append("date=").append(date); sb.append(", time='").append(time).append('\''); sb.append(", open=").append(open); sb.append(", high=").append(high); sb.append(", low=").append(low); sb.append(", close=").append(close); sb.append(", volume=").append(volume); sb.append('}'); return sb.toString(); } @Override public boolean equals(final Object o) { if (this == o) return true; if (!(o instanceof StockTrade)) return false; final StockTrade that = (StockTrade) o; if (Double.compare(that.close, close) != 0) return false; if (Double.compare(that.high, high) != 0) return false; if (Double.compare(that.low, low) != 0) return false; if (Double.compare(that.open, open) != 0) return false; if (Double.compare(that.volume, volume) != 0) return false; if (!date.equals(that.date)) return false; if (!time.equals(that.time)) return false; return true; } @Override public int hashCode() { int result; long temp; result = date.hashCode(); result = 31 * result + time.hashCode(); temp = Double.doubleToLongBits(open); result = 31 * result + (int) (temp ^ (temp >>> 32)); temp = Double.doubleToLongBits(high); result = 31 * result + (int) (temp ^ (temp >>> 32)); temp = Double.doubleToLongBits(low); result = 31 * result + (int) (temp ^ (temp >>> 32)); temp = Double.doubleToLongBits(close); result = 31 * result + (int) (temp ^ (temp >>> 32)); temp = Double.doubleToLongBits(volume); result = 31 * result + (int) (temp ^ (temp >>> 32)); return result; } }