GroupMember.java

/*
 * Copyright 2011-2013 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package kr.debop4j.access.model.organization;

import com.google.common.base.Objects;
import kr.debop4j.access.model.AccessEntityBase;
import kr.debop4j.core.Guard;
import kr.debop4j.core.tools.HashTool;
import lombok.Getter;
import lombok.Setter;
import org.hibernate.annotations.CacheConcurrencyStrategy;
import org.hibernate.annotations.DynamicInsert;
import org.hibernate.annotations.DynamicUpdate;

import javax.persistence.*;

/**
 * 그룹의 구성원
 *
 * @author 배성혁 ( sunghyouk.bae@gmail.com )
 * @since 13. 3. 5 오후 4:26
 */
@Entity
@Table(name = "GroupMember")
@org.hibernate.annotations.Cache(region = "Organization", usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
@org.hibernate.annotations.Table(appliesTo = "GroupMember",
                                 indexes = @org.hibernate.annotations.Index(name = "ix_groupMember",
                                                                            columnNames = {
                                                                                    "GroupId",
                                                                                    "MemberKind",
                                                                                    "MemberId" }))
@DynamicInsert
@DynamicUpdate
@Getter
@Setter
public class GroupMember extends AccessEntityBase {

    private static final long serialVersionUID = 538564009832398711L;

    protected GroupMember() {}

    public GroupMember(Group group, OrganizationKind memberKind, Long memberId) {
        Guard.shouldNotBeNull(group, "group");
        this.group = group;
        this.memberKind = memberKind;
        this.memberId = memberId;

        this.group.getMembers().add(this);
    }

    @Id
    @GeneratedValue
    @Column(name = "GroupMemberId")
    private Long id;

    @ManyToOne
    @JoinColumn(name = "GroupId", nullable = false)
    private Group group;

    @Enumerated(EnumType.STRING)
    @Column(name = "MemberKind", nullable = false, length = 128)
    private OrganizationKind memberKind = OrganizationKind.Employee;

    @Column(name = "MemberId", nullable = false)
    private Long memberId;

    @Basic
    @Column(name = "IsActive")
    private Boolean active;

    @Basic(fetch = FetchType.LAZY)
    @Column(name = "ExAttr", length = 2000)
    private String exAttr;

    @Override
    public int hashCode() {
        if (isPersisted())
            return HashTool.compute(id);
        return HashTool.compute(group, memberKind, memberId);
    }

    @Override
    protected Objects.ToStringHelper buildStringHelper() {
        return super.buildStringHelper()
                .add("id", id)
                .add("memberKind", memberKind)
                .add("memberId", memberId)
                .add("groupId", group.getId());
    }
}