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package com.fitbur.glassfish.com.fitbur.internal.util.collection;

/**
 * Lazily initialized {@link UnsafeValue unsafe value}.
 * 
 * Instances of this interface are initialized lazily during the first call to their
 * {@link #get() value retrieval method}. Information about the initialization state
 * of a {@code LazyUnsafeValue} instance is available via {@link #isInitialized()} method.
 * 
 *
 * @author Marek Potociar (marek.potociar at oracle.com.fitbur)
 */
public interface LazyUnsafeValue extends UnsafeValue {
    /**
     * Check if the lazy value has been initialized already (i.e. its {@link #get()} method
     * has already been called previously) or not.
     *
     * @return {@code true} if the lazy value has already been initialized, {@code false} otherwise.
     */
    boolean isInitialized();
}