GenericEntity.java
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/*
* Copyright Codecrew Ry
*
* All rights reserved.
*
* This license applies to any software containing a notice placed by the
* copyright holder. Such software is herein referred to as the Software.
* This license covers modification, distribution and use of the Software.
*
* Any distribution and use in source and binary forms, with or without
* modification is not permitted without explicit written permission from the
* copyright owner.
*
* A non-exclusive royalty-free right is granted to the copyright owner of the
* Software to use, modify and distribute all modifications to the Software in
* future versions of the Software.
*
*/
package fi.codecrew.moya.model;
import javax.json.Json;
import javax.json.JsonObject;
import javax.json.JsonObjectBuilder;
import javax.json.JsonValue;
import javax.persistence.Column;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;
import javax.persistence.Transient;
import fi.codecrew.moya.utilities.jpa.EntityEquals;
import fi.codecrew.moya.utilities.jpa.ModelInterface;
@MappedSuperclass
public class GenericEntity extends EntityEquals implements ModelInterface, EntityMeta {
private static final long serialVersionUID = -9041737052951021560L;
public static final String ID_COLUMN = "id";
@Id
@Column(name = ID_COLUMN, nullable = false, updatable = false)
private Integer id;
@Column(name = "meta", columnDefinition = "json")
private JsonObject meta;
@Override
public final Integer getId() {
return id;
}
@Override
public final void setId(Integer id) {
this.id = id;
}
@Override
public JsonObject getMeta() {
return meta;
}
@Override
public void setMeta(JsonObject meta) {
this.meta = meta;
}
@Transient
public String getMetaStringValue(String key) {
try {
return getMeta().getString(key);
} catch (NullPointerException e) {
// this is normal if key is not found etc.
return "";
}
}
@Transient
public void setMetaStringValue(String key, String value) {
JsonObjectBuilder metaBuilder = Json.createObjectBuilder();
if (getMeta() != null) {
for (String valKey : getMeta().keySet()) {
if (!valKey.equals(key)) {
metaBuilder.add(valKey, getMeta().get(valKey));
}
}
}
metaBuilder.add(key, value);
setMeta(metaBuilder.build());
}
@Transient
protected Integer getNonNullId()
{
if (getId() != null) {
return getId();
}
return getRndid();
}
}