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/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2011, Open Source Geospatial Foundation (OSGeo)
 *    (C) 2003-2005, Open Geospatial Consortium Inc.
 *
 *    All Rights Reserved. http://www.opengis.org/legal/
 */
package org.opengis.parameter;

import java.util.List;

/**
 * Throws if adding a {@linkplain ParameterValue parameter value} to a {@linkplain
 * ParameterValueGroup group} would result in more parameters than the {@linkplain
 * ParameterDescriptor#getMaximumOccurs maximum occurence} allowed. This operation may be throws
 * during {@linkplain List#add} or {@linkplain List#remove} operation on the list returned by {@link
 * ParameterValueGroup#values}.
 *
 * Note: This exception is of kind "{@linkplain IllegalStateException illegal state}"
 * rather than "{@linkplain IllegalArgumentException illegal argument}" because it is not caused by
 * a bad argument; it is rather a consequence of an {@linkplain ParameterValueGroup parameter value
 * group} being "full".
 *
 * @author Martin Desruisseaux (IRD)
 * @since GeoAPI 2.0
 * @see ParameterValueGroup#values
 * @see ParameterDescriptor#getMinimumOccurs
 * @see ParameterDescriptor#getMaximumOccurs
 */
public class InvalidParameterCardinalityException extends IllegalStateException {
    /** Serial number for interoperability with different versions. */
    private static final long serialVersionUID = 4030549323541812311L;

    /** The name of the parameter with invalid cardinality. */
    private final String parameterName;

    /**
     * Creates an exception with the specified message and parameter name.
     *
     * @param message The detail message. The detail message is saved for later retrieval by the
     *     {@link #getMessage()} method.
     * @param parameterName The name of the parameter with invalid cardinality.
     */
    public InvalidParameterCardinalityException(String message, String parameterName) {
        super(message);
        this.parameterName = parameterName;
    }

    /**
     * Returns the name of the parameter with invalid cardinality.
     *
     * @return The name of the parameter with invalid cardinality.
     */
    public String getParameterName() {
        return parameterName;
    }
}