ObservableGroup.java

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package cedar.hepdata.model;

import java.util.Set;
import java.util.HashSet;

import javax.persistence.*;

@Entity
@Table(name="ObservableGroups")
public class ObservableGroup extends Storeable {
    @Id @GeneratedValue
    @Column(name="OBSERVABLEGROUP_ID")
    private Long _id;

    @Column(name="Name", nullable=false, unique=true)
    private String _name;

    @Column(name="Comment", length=10000)
    private String _comment = "";

    @ManyToMany
    @JoinTable(name="ObservableGroupMembers",
               joinColumns=@JoinColumn(name="OBSERVABLEGROUP_ID"),
               inverseJoinColumns=@JoinColumn(name="OBSERVABLE_ID"))
    private Set<Observable> _observables = new HashSet<Observable>();



    public ObservableGroup() {}

    public ObservableGroup(String name) {
        setName(name);
    }



    public String getName() {
        return _name;
    }
    public ObservableGroup setName(String name) {
        _name = name;
        return this;
    }

    public String getComment() {
        return _comment;
    }
    public ObservableGroup setComment(String comment) {
        _comment = comment;
        return this;
    }


    // Manipulating the set of Observables
    public Set<Observable> getObservables() {
        return _observables;
    }
    public ObservableGroup setObservables(Set<Observable> observables) {
        for (Observable o : getObservables()) removeObservable(o);
        for (Observable o : observables) addObservable(o);
        return this;
    }
    public ObservableGroup addObservable(Observable observable) {
        if (observable != null) {
            observable.getObservableGroups().add(this);
            getObservables().add(observable);
        } else {
            log().warn("Tried to add a null observable to an observable group");
        }
        return this;
    }
    public ObservableGroup removeObservable(Observable observable) {
        if (observable != null) {
            observable.getObservableGroups().remove(this);
            getObservables().remove(observable);
        } else {
            log().warn("Tried to remove a null observable from an observable group");
        }
        return this;
    }


    //public String toString() {
    //    StringBuffer s = new StringBuffer();
    //    return s.toString();
    //}
}

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