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Project containing the base domain model for security concerns in JPA projects.

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package com.linkare.commons.jpa.security;

import javax.persistence.Column;
import javax.persistence.DiscriminatorValue;
import javax.persistence.Entity;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;

import org.hibernate.envers.Audited;

import com.linkare.commons.utils.EqualityUtils;

/**
 * 
 * @author Paulo Zenida - Linkare TI
 * 
 */
@Entity
@NamedQueries({ @NamedQuery(name = Group.FIND_ALL_QUERYNAME, query = Group.FIND_ALL_QUERY),
	@NamedQuery(name = Group.COUNT_ALL_QUERYNAME, query = Group.COUNT_ALL_QUERY),
	@NamedQuery(name = Group.FIND_BY_NAME_QUERYNAME, query = Group.FIND_BY_NAME_QUERY) })
@DiscriminatorValue("Group")
@Audited
public class Group extends Principal {

    private static final long serialVersionUID = -3940451862595249089L;

    public static final String QUERY_PARAM_NAME = "name";

    public static final String FIND_ALL_QUERYNAME = "Group.findAll";

    public static final String FIND_ALL_QUERY = "Select g from Group g";

    public static final String COUNT_ALL_QUERYNAME = "Group.countAll";

    public static final String COUNT_ALL_QUERY = "Select count(g) from Group g";

    public static final String FIND_BY_NAME_QUERYNAME = "Group.findByName";

    public static final String FIND_BY_NAME_QUERY = "Select g from Group g where g.name = :" + Group.QUERY_PARAM_NAME;

    @Column(name = "name", insertable = true, updatable = false, nullable = true, unique = true)
    private String name;

    public Group() {
    }

    public Group(final String name) {
	this();
	this.name = name;
    }

    /**
     * @return the name
     */
    public String getName() {
	return name;
    }

    /**
     * @param name
     *            the name to set
     */
    public void setName(String name) {
	this.name = name;
    }

    @Override
    public boolean isGroup() {
	return true;
    }

    @Override
    public boolean equals(final Object other) {
	if (!(other instanceof Group)) {
	    return false;
	}
	return equalsTo((Group) other);
    }

    @Override
    public int hashCode() {
	int result = 14;
	result = 29 * result + (getName() != null ? getName().hashCode() : 0);
	return result;
    }

    private boolean equalsTo(final Group other) {
	return EqualityUtils.equals(getName(), other.getName());
    }

    @Override
    public String toString() {
	return getName();
    }
}