99 lines
2.2 KiB
Java
99 lines
2.2 KiB
Java
/*
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* Copyright 2015 FUJITSU LIMITED
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*
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*/
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package monasca.common.hibernate.db;
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import java.io.Serializable;
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import javax.persistence.Column;
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import javax.persistence.Id;
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import javax.persistence.MappedSuperclass;
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import com.google.common.base.Objects;
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import org.hibernate.annotations.DynamicInsert;
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import org.hibernate.annotations.DynamicUpdate;
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import monasca.common.hibernate.core.Persistable;
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/**
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* <b>Abstract</b> implementation for {@link Persistable}.
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*
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* Defines primary key of a specific entity.
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* Primary key may take any arbitrary type that
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* is required by specific case.
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*
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* @param <T> primary key type
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*
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* @see AbstractAuditablePersistable
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*/
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@DynamicInsert
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@DynamicUpdate
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@MappedSuperclass
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abstract class AbstractPersistable<T extends Serializable>
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implements Persistable<T> {
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private static final long serialVersionUID = -4841075518435739989L;
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@Id
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@Column(name = "id", length = 36)
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protected T id;
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AbstractPersistable() {
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super();
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}
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AbstractPersistable(final T id) {
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this();
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this.id = id;
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}
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@Override
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public T getId() {
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return id;
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}
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@Override
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public Persistable<T> setId(final T id) {
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this.id = id;
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return this;
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}
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@Override
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public boolean isNew() {
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return this.id == null;
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (o == null || getClass() != o.getClass()) return false;
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AbstractPersistable that = (AbstractPersistable) o;
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return Objects.equal(this.id, that.id);
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}
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@Override
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public int hashCode() {
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return Objects.hashCode(id);
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}
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@Override
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public String toString() {
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return Objects.toStringHelper(this)
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.add("id", id)
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.toString();
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}
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}
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