com.lyndir.omicron.api.Module.java Source code

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Here is the source code for com.lyndir.omicron.api.Module.java

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/*
 * Copyright 2010, Maarten Billemont
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

package com.lyndir.omicron.api;

import com.google.common.base.Preconditions;
import com.lyndir.lhunath.opal.system.logging.Logger;
import com.lyndir.lhunath.opal.system.util.MetaObject;
import com.lyndir.omicron.api.error.*;
import javax.annotation.Nullable;

public abstract class Module extends MetaObject implements IModule {

    @SuppressWarnings("UnusedDeclaration")
    private static final Logger logger = Logger.get(Module.class);

    private final ImmutableResourceCost resourceCost;

    private GameObject gameObject;

    protected Module(final ImmutableResourceCost resourceCost) {
        this.resourceCost = resourceCost;
        Preconditions.checkState(getType().getModuleType().isInstance(this), "Invalid module type for module: %s",
                this);
    }

    @Override
    public int hashCode() {
        return System.identityHashCode(this);
    }

    @Override
    public boolean equals(@Nullable final Object obj) {
        return obj == this;
    }

    @Override
    public ImmutableResourceCost getResourceCost() {
        return resourceCost;
    }

    void setGameObject(final GameObject gameObject) {
        this.gameObject = gameObject;
    }

    @Override
    public GameObject getGameObject() {
        return Preconditions.checkNotNull(gameObject,
                "This module has not yet been initialized by its game object.");
    }

    void assertOwned() throws NotAuthenticatedException, NotOwnedException {
        Security.assertOwned(getGameObject());
    }

    void assertObservable() throws NotAuthenticatedException, NotObservableException {
        Security.assertObservable(getGameObject());
    }

    protected abstract void onReset();

    protected abstract void onNewTurn();

    static Module cast(final IModule module) {
        return (Module) module;
    }
}