exotic_matter/src/main/java/de/welterde/em/EntityBase.java
2026-06-11 11:28:49 +02:00

64 lines
1.8 KiB
Java

/*
* Copyright (C) 2026 welterde
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package de.welterde.em;
import de.welterde.em.io.EntityRecord;
/**
*
* @author welterde
*/
public abstract class EntityBase implements Entity {
protected EntityStorage ctx;
protected int id;
public EntityBase() {
this.id = -1;
this.ctx = null;
}
public EntityBase(EntityStorage ctx, int id) {
this.id = id;
this.ctx = ctx;
}
public EntityBase(EntityRecord r) {
this.id = r.getID();
this.ctx = r.getContext();
}
public int getEntityId() {
if(this.id == -1)
throw new IllegalStateException("Entity not initialized");
return this.id;
}
public void initEntity(EntityStorage ctx, int id) {
if((this.id != -1) && (this.ctx != null))
throw new IllegalStateException("Entity already initialized");
if(id == -1)
throw new IllegalArgumentException("Invalid ID -1");
if(ctx == null)
throw new NullPointerException("Context is null");
this.id = id;
this.ctx = ctx;
}
public boolean isEntityInitialized() {
return this.id != -1;
}
}