restconf/restconf-nb-bierman02/src/main/java/org/opendaylight/restconf/restful/utils/DeleteDataTransactionUtil.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.restconf.restful.utils;
   9
  10 import com.google.common.util.concurrent.CheckedFuture;
  11 import javax.ws.rs.core.Response;
  12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  13 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  14 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  15 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  16 import org.opendaylight.restconf.restful.transaction.TransactionVarsWrapper;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18
  19 /**
  20  * Util class for delete specific data in config DS.
  21  *
  22  * @deprecated move to splitted module restconf-nb-rfc8040
  23  */
  24 @Deprecated
  25 public final class DeleteDataTransactionUtil {
  26
  27     private DeleteDataTransactionUtil() {
  28         throw new UnsupportedOperationException("Util class.");
  29     }
  30
  31     /**
  32      * Delete data from DS via transaction.
  33      *
  34      * @param transactionNode
  35      *             Wrapper for data of transaction
  36      * @return {@link Response}
  37      */
  38     public static Response deleteData(final TransactionVarsWrapper transactionNode) {
  39         final CheckedFuture<Void, TransactionCommitFailedException> future = submitData(
  40                 transactionNode.getTransactionChain(), transactionNode.getTransactionChain().newReadWriteTransaction(),
  41                 transactionNode.getInstanceIdentifier().getInstanceIdentifier());
  42         final ResponseFactory response = new ResponseFactory();
  43         FutureCallbackTx.addCallback(future, RestconfDataServiceConstant.DeleteData.DELETE_TX_TYPE, response);
  44         return response.build();
  45     }
  46
  47     /**
  48      * Delete data via transaction. Return error if data to delete does not exist.
  49      *
  50      * @param transactionChain
  51      *             transaction chain
  52      * @param readWriteTx
  53      *             read and write transaction
  54      * @param path
  55      *             path of data to delete
  56      * @return {@link CheckedFuture}
  57      */
  58     private static CheckedFuture<Void, TransactionCommitFailedException> submitData(
  59             final DOMTransactionChain transactionChain, final DOMDataReadWriteTransaction readWriteTx,
  60             final YangInstanceIdentifier path) {
  61         TransactionUtil.checkItemExists(transactionChain, readWriteTx, LogicalDatastoreType.CONFIGURATION, path,
  62                 RestconfDataServiceConstant.DeleteData.DELETE_TX_TYPE);
  63         readWriteTx.delete(LogicalDatastoreType.CONFIGURATION, path);
  64         return readWriteTx.submit();
  65     }
  66 }