/*******************************************************************************
 *  Copyright 2017-2018 Centre for Development of Advanced Computing(C-DAC), Pune
 *  
 * 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 cdac.medinfo.sdk.dcm30_04.baselibs;

import cdac.medinfo.sdk.dcm30_04.commoninterface.IDictionaryReader;
import cdac.medinfo.sdk.dcm30_04.commoninterface.IItem;
import cdac.medinfo.sdk.dcm30_04.commoninterface.ITransferSyntax;

/**
 * Sequence of items defining mapping between HL7 Instance Identifiers of unencapsulated HL7 Structured Documents referenced from the current SOP Instance as if they were 
 * DICOM Composite SOP Class Instances defined by SOP Class and Instance UID pairs. May also define a means of accessing the Documents.
 */

public class HL7StructuredDocumentReferenceSequence extends SQ
{
	

	private static final long serialVersionUID = 1L;

	/**
	 * This constructor creates SQ with specified transferSyntax and specified DictionaryReader
	 * @param objTransferSyntax specifies the DICOM Standard defined TransfeSyntax
	 * @param objDictionaryReader specifies the DICOM Dictionary reader to be used 
	 */
	HL7StructuredDocumentReferenceSequence(ITransferSyntax objTransferSyntax,IDictionaryReader objDictionaryReader)
	{
		super(objTransferSyntax, objDictionaryReader);
	}
	/*
	 * This is the overriding method isValidItem which checks whether the
	 * item being added is of HL7StructuredDocumentReferenceSequenceItem
	 */
	protected boolean isValidItem(IItem objIItem)
	{
		return objIItem instanceof HL7StructuredDocumentReferenceSequenceItem ? true : false;
	}

	/*
	 * (non-Javadoc) This overriding method creates the item of type HL7StructuredDocumentReferenceSequenceItem
	 * @see cdac.medinfo.sdk.dcm30_04.baselibs.dicomv3.SQ#createItem()
	 */
	protected IItem createItem()
	{
		return new HL7StructuredDocumentReferenceSequenceItem(objITransferSyntax,objIDictionaryReader);
	}

	/**
	 * Return HL7 Structured Document Reference Sequence Item.
	 * User has to add this item to sequence by calling additem of SQ.
	 * @return - instance of {@link HL7StructuredDocumentReferenceSequenceItem}
	 */
	public HL7StructuredDocumentReferenceSequenceItem getNewItem()
	{
		HL7StructuredDocumentReferenceSequenceItem objHL7StructuredDocumentReferenceSequenceItem = new HL7StructuredDocumentReferenceSequenceItem(objITransferSyntax,objIDictionaryReader);

		return objHL7StructuredDocumentReferenceSequenceItem;
	}
}
