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A set of utilities for Java

There is a newer version: 3.0.0

package org.rx.core;

import lombok.RequiredArgsConstructor;

import java.util.function.Supplier;

@RequiredArgsConstructor
public final class Lazy {
    private T value;
    private final Supplier supplier;

    public boolean isValueCreated() {
        return value != null;
    }

    public T getValue() {
        if (value == null) {
            synchronized (supplier) {
                if (value == null) {
                    value = supplier.get();
                }
            }
        }
        return value;
    }
}