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/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.flowable.cmmn.model;

import java.util.List;
import java.util.Map;

/**
 * Interface for accessing Element attributes.
 * 
 * @author Martin Grofcik
 */
public interface HasExtensionAttributes {
    /** get element's attributes */
    Map> getAttributes();

    /**
     * return value of the attribute from given namespace with given name.
     * 
     * @param namespace
     * @param name
     * @return attribute value or null in case when attribute was not found
     */
    String getAttributeValue(String namespace, String name);

    /** add attribute to the object */
    void addAttribute(ExtensionAttribute attribute);

    /** set all object's attributes */
    void setAttributes(Map> attributes);
}