#55 added conference model without user's participation and deposit. May be needed new user model.
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package ru.ulstu.conference.model;
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import org.hibernate.annotations.Fetch;
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import org.hibernate.annotations.FetchMode;
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import org.hibernate.validator.constraints.NotBlank;
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import ru.ulstu.core.model.BaseEntity;
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import ru.ulstu.deadline.model.Deadline;
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import ru.ulstu.paper.model.Paper;
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import ru.ulstu.user.model.User;
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import javax.persistence.CascadeType;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.JoinColumn;
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import javax.persistence.ManyToMany;
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import javax.persistence.OneToMany;
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import javax.persistence.OrderBy;
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import javax.persistence.Table;
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import javax.persistence.Temporal;
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import javax.persistence.TemporalType;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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@Entity
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@Table(name = "conference")
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public class Conference extends BaseEntity {
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@NotBlank
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private String title;
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private String description;
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private String url;
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private int ping;
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@Column(name = "begin_date")
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@Temporal(TemporalType.TIMESTAMP)
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private Date beginDate = new Date();
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@Column(name = "end_date")
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@Temporal(TemporalType.TIMESTAMP)
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private Date endDate = new Date();
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@OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
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@JoinColumn(name = "conference_id", unique = true)
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@Fetch(FetchMode.SUBSELECT)
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@OrderBy("date")
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private List<Deadline> deadlines = new ArrayList<>();
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@ManyToMany(fetch = FetchType.EAGER)
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private Set<Paper> papers = new HashSet<>();
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@ManyToMany(fetch = FetchType.EAGER)
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private Set<User> users = new HashSet<>();
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}
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