PreferenceEntity.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.api.user.server.jpa;


import javax.persistence.CollectionTable;
import javax.persistence.Column;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.MapKeyColumn;
import javax.persistence.Table;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

/**
 * Describes JPA implementation of user's preferences.
 *
 * @author Anton Korneta
 * @author Yevhenii Voevodin
 */
@Entity(name = "Preference")
@Table(name = "preference")
public class PreferenceEntity {

    @Id
    @Column(name = "userid")
    private String userId;

    @ElementCollection
    @CollectionTable(name = "preference_preferences", joinColumns = @JoinColumn(name = "preference_userid"))
    @MapKeyColumn(name = "name")
    @Column(name = "value", columnDefinition = "TEXT")
    private Map<String, String> preferences;

    public PreferenceEntity() {}

    public PreferenceEntity(String userId, Map<String, String> preferences) {
        this.userId = userId;
        this.preferences = preferences;
    }

    public String getUserId() {
        return userId;
    }

    public void setUserId(String userId) {
        this.userId = userId;
    }

    public Map<String, String> getPreferences() {
        if (preferences == null) {
            return new HashMap<>();
        }
        return preferences;
    }

    public void setPreferences(Map<String, String> preferences) {
        this.preferences = preferences;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (!(obj instanceof PreferenceEntity)) return false;

        final PreferenceEntity other = (PreferenceEntity)obj;

        return Objects.equals(userId, other.userId)
               && getPreferences().equals(other.getPreferences());
    }

    @Override
    public int hashCode() {
        int hash = 7;
        hash = 31 * hash + Objects.hashCode(userId);
        hash = 31 * hash + getPreferences().hashCode();
        return hash;
    }

    @Override
    public String toString() {
        return "PreferenceEntity{" +
               "userId='" + userId + '\'' +
               ", preferences=" + preferences +
               '}';
    }
}