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