edu.zipcloud.cloudstreetmarket.core.entities.Chart.java Source code

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Here is the source code for edu.zipcloud.cloudstreetmarket.core.entities.Chart.java

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/***
 *  Cloudstreetmarket.com is a Spring MVC showcase application developed 
 *  with the book Spring MVC Cookbook [PACKT] (2015). 
 *    Copyright (C) 2015  Alex Bretet
 *  
 *  This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * 
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 * 
 *     You should have received a copy of the GNU General Public License
 *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 **/
package edu.zipcloud.cloudstreetmarket.core.entities;

import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.DiscriminatorColumn;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.Inheritance;
import javax.persistence.InheritanceType;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

import org.apache.commons.lang3.time.DateUtils;
import org.springframework.social.yahoo.module.ChartHistoMovingAverage;
import org.springframework.social.yahoo.module.ChartHistoSize;
import org.springframework.social.yahoo.module.ChartHistoTimeSpan;
import org.springframework.social.yahoo.module.ChartType;

@Entity
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorColumn(name = "ticker_type")
@Table(name = "chart")
public abstract class Chart extends AbstractAutogeneratedId<Long> {

    private static final long serialVersionUID = 115973199499600726L;

    @Enumerated(EnumType.STRING)
    @Column(name = "type")
    private ChartType type;

    @Enumerated(EnumType.STRING)
    @Column(name = "time_span")
    private ChartHistoTimeSpan histoTimeSpan;

    @Enumerated(EnumType.STRING)
    @Column(name = "moving_average")
    private ChartHistoMovingAverage histoMovingAverage;

    @Enumerated(EnumType.STRING)
    @Column(name = "size")
    private ChartHistoSize histoSize;

    @Column(name = "width")
    private Integer intradayWidth;

    @Column(name = "height")
    private Integer intradayHeight;

    @Column(name = "internal_path")
    private String internalPath;

    @Column(name = "last_update", insertable = false, columnDefinition = "TIMESTAMP DEFAULT CURRENT_TIMESTAMP")
    @Temporal(TemporalType.TIMESTAMP)
    private Date lastUpdate;

    private String path;

    public Chart() {
    }

    public Chart(Long id) {
        this.id = id;
    }

    public Chart(ChartType type, ChartHistoSize histoSize, ChartHistoMovingAverage histoAverage,
            ChartHistoTimeSpan histoPeriod, Integer intradayWidth, Integer intradayHeight, String path) {
        this.type = type;
        this.histoSize = histoSize;
        this.histoMovingAverage = histoAverage;
        this.histoTimeSpan = histoPeriod;
        this.intradayWidth = intradayWidth;
        this.intradayHeight = intradayHeight;
        this.path = path;
    }

    public ChartType getType() {
        return type;
    }

    public void setType(ChartType type) {
        this.type = type;
    }

    public ChartHistoTimeSpan getHistoTimeSpan() {
        return histoTimeSpan;
    }

    public void setHistoTimeSpan(ChartHistoTimeSpan histoTimeSpan) {
        this.histoTimeSpan = histoTimeSpan;
    }

    public ChartHistoMovingAverage getHistoMovingAverage() {
        return histoMovingAverage;
    }

    public void setHistoMovingAverage(ChartHistoMovingAverage histoMovingAverage) {
        this.histoMovingAverage = histoMovingAverage;
    }

    public ChartHistoSize getHistoSize() {
        return histoSize;
    }

    public void setHistoSize(ChartHistoSize histoSize) {
        this.histoSize = histoSize;
    }

    public Integer getIntradayWidth() {
        return intradayWidth;
    }

    public void setIntradayWidth(Integer intradayWidth) {
        this.intradayWidth = intradayWidth;
    }

    public Integer getIntradayHeight() {
        return intradayHeight;
    }

    public void setIntradayHeight(Integer intradayHeight) {
        this.intradayHeight = intradayHeight;
    }

    public String getInternalPath() {
        return internalPath;
    }

    public void setInternalPath(String internalPath) {
        this.internalPath = internalPath;
    }

    public Date getLastUpdate() {
        return lastUpdate;
    }

    public void setLastUpdate(Date lastUpdate) {
        this.lastUpdate = lastUpdate;
    }

    public String getPath() {
        return path;
    }

    public void setPath(String path) {
        this.path = path;
    }

    public boolean isExpired(int ttlInMinutes) {
        Instant now = new Date().toInstant();
        LocalDateTime localNow = now.atZone(ZoneId.systemDefault()).toLocalDateTime();
        LocalDateTime localLastUpdate = DateUtils.addMinutes(lastUpdate, ttlInMinutes).toInstant()
                .atZone(ZoneId.systemDefault()).toLocalDateTime();
        return localLastUpdate.isBefore(localNow);
    }

    //Avoid fetching lazy collections at this stage (session may be closed)
    @Override
    public String toString() {
        return "Chart [type=" + type + ", histoTimeSpan=" + histoTimeSpan + ", histoMovingAverage="
                + histoMovingAverage + ", histoSize=" + histoSize + ", intradayWidth=" + intradayWidth
                + ", intradayHeight=" + intradayHeight + ", internalPath=" + internalPath + ", lastUpdate="
                + lastUpdate + ", path=" + path + ", id=" + id + "]";
    }
}