SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// Multi-Phasic Applications: SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package cc.squirreljme.debugger;

/**
 * Managers for each specific storage type.
 *
 * @since 2024/01/20
 */
public class StoredInfoManager
{
    /** Stored info storage for each type. */
    private final StoredInfo[] _infos;
    
    /**
     * Initializes the storage information manager.
     *
     * @since 2024/01/20
     */
    public StoredInfoManager()
    {
        InfoKind[] types = InfoKind.values();
        int numTypes = types.length;
        
        // Setup storage
        StoredInfo[] infos = new StoredInfo[numTypes];
        for (int i = 0; i < numTypes; i++)
            if (types[i].isForgettable())
                infos[i] = new ForgettableStoredInfo(types[i]);
            else
                infos[i] = new PersistentStoredInfo(types[i]);
        this._infos = infos;
    }
    
    /**
     * Returns the stored information.
     *
     * @param <I> The information type.
     * @param __class The class type used.
     * @param __type The type to get.
     * @return The information storage for the given type.
     * @throws NullPointerException On null arguments.
     * @since 2024/01/20
     */
    @SuppressWarnings("unchecked")
    public final <I extends Info> StoredInfo<I> get(Class<I> __class,
        InfoKind __type)
        throws NullPointerException
    {
        if (__class == null || __type == null)
            throw new NullPointerException("NARG");
        
        return (StoredInfo<I>)this._infos[__type.ordinal()];
    }
    
    /**
     * Returns the class storage manager.
     *
     * @return The class storage.
     * @since 2024/01/22
     */
    public StoredInfo<InfoByteCode> getByteCodes()
    {
        return this.<InfoByteCode>get(InfoByteCode.class, InfoKind.BYTE_CODE);
    }
    
    /**
     * Returns the class storage manager.
     *
     * @return The class storage.
     * @since 2024/01/22
     */
    public StoredInfo<InfoClass> getClasses()
    {
        return this.<InfoClass>get(InfoClass.class, InfoKind.CLASS);
    }
    
    /**
     * Returns the thread storage.
     *
     * @return The thread storage.
     * @since 2024/01/20
     */
    public final StoredInfo<InfoThread> getThreads()
    {
        return this.<InfoThread>get(InfoThread.class, InfoKind.THREAD);
    }
}