com.llamalad7.mixinextras.sugar.impl.ref.LocalRefRuntime Maven / Gradle / Ivy

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package com.llamalad7.mixinextras.sugar.impl.ref;

import com.llamalad7.mixinextras.sugar.ref.LocalRef;

/**
 * Helpers used from generated implementations of {@link LocalRef} and friends.
 */
@SuppressWarnings("unused")
public class LocalRefRuntime {
    static final byte UNINITIALIZED = 1;
    static final byte DISPOSED = 2;

    /**
     * 0 means OK since it's the fastest to check
     */
    public static void checkState(byte state) {
        switch (state) {
            case 0:
                return;
            case UNINITIALIZED:
                throw new IllegalStateException(
                        "Use of an uninitialized LocalRef! This should never happen! Please report to LlamaLad7!"
                );
            case DISPOSED:
                throw new IllegalStateException(
                        "Use of a disposed LocalRef! You cannot retain these objects past the handler method they " +
                                "were passed to. If you don't think this applies to you then please report your " +
                                "issue to LlamaLad7 as it may be a bug."
                );
            default:
                throw new IllegalStateException(
                        String.format("Unknown LocalRef state %s?", state)
                );
        }
    }
}