dev.denwav.hypo.model.data.LazyMethodData Maven / Gradle / Ivy

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/*
 * Hypo, an extensible and pluggable Java bytecode analytical model.
 *
 * Copyright (C) 2023  Kyle Wood (DenWav)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Lesser GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License only.
 *
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 */

package dev.denwav.hypo.model.data;

import org.jetbrains.annotations.NotNull;

/**
 * Base implementation of {@link MethodData} which lazily retrieves and caches the method descriptor.
 */
public abstract class LazyMethodData extends AbstractMethodData {

    /**
     * {@code compute} variant of {@link #descriptor()}.
     *
     * @return This method's descriptor.
     */
    public abstract @NotNull MethodDescriptor computeDescriptor();

    private final @NotNull LazyValue descriptor = LazyValue.of(this::computeDescriptor);

    @Override
    public @NotNull MethodDescriptor descriptor() {
        return this.descriptor.getNotNull();
    }
}