Java tutorial
/* * Hibernate Validator, declare and validate application constraints * * License: Apache License, Version 2.0 * See the license.txt file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>. */ package org.hibernate.validator.test.internal.engine.cascaded; import java.util.Map.Entry; import org.hibernate.validator.spi.cascading.ExtractedValue; import org.hibernate.validator.spi.cascading.ValueExtractor; import com.google.common.collect.Multimap; class MultimapValueExtractor implements ValueExtractor<Multimap<?, @ExtractedValue ?>> { @Override public void extractValues(Multimap<?, ?> originalValue, ValueExtractor.ValueReceiver receiver) { for (Entry<?, ?> entry : originalValue.entries()) { receiver.keyedValue(entry.getValue(), "multimap_value", entry.getKey()); } } }