OpenConcerto

Dépôt officiel du code source de l'ERP OpenConcerto
sonarqube

svn://code.openconcerto.org/openconcerto

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     * @throws IllegalStateException if not {@link #hasValue()}.
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     * @throws IllegalStateException if not {@link #hasValue()}.
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     */
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     */
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    public abstract V getValue() throws IllegalStateException;
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    public abstract V getValue() throws IllegalStateException;
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    /**
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    /**
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     * Return the value if {@link #hasValue()}, otherwise the passed one, never throws an exception.
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     *
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     * @param def the default value.
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     * @return either {@link #getValue()} or <code>def</code>.
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     */
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    public final V getValue(final V def) {
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        if (this.hasValue())
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            return this.getValue();
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        else
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            return def;
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    }
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    /**
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     * Return <code>null</code> if and only if this has no value.
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     * Return <code>null</code> if and only if this has no value.
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     *
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     *
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     * @return non <code>null</code> {@link #getValue()} if {@link #hasValue()}, otherwise
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     * @return non <code>null</code> {@link #getValue()} if {@link #hasValue()}, otherwise
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     *         <code>null</code>.
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     *         <code>null</code>.
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     * @throws IllegalStateException if {@link #getValue()} is <code>null</code>.
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     * @throws IllegalStateException if {@link #getValue()} is <code>null</code>.