Split Restconf implementations (draft02 and RFC) - Prepare modules

[netconf.git] / restconf / sal-rest-connector / src / main / java / org / opendaylight / restconf / restful / utils / TransactionUtil.java

diff --git a/restconf/sal-rest-connector/src/main/java/org/opendaylight/restconf/restful/utils/TransactionUtil.java b/restconf/sal-rest-connector/src/main/java/org/opendaylight/restconf/restful/utils/TransactionUtil.java
deleted file mode 100644 (file)
index 65bf831..0000000
--- a/restconf/sal-rest-connector/src/main/java/org/opendaylight/restconf/restful/utils/TransactionUtil.java
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.restconf.restful.utils;
-
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.CheckedFuture;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
-import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
-import org.opendaylight.netconf.sal.restconf.impl.RestconfDocumentedException;
-import org.opendaylight.netconf.sal.restconf.impl.RestconfError.ErrorTag;
-import org.opendaylight.netconf.sal.restconf.impl.RestconfError.ErrorType;
-import org.opendaylight.restconf.RestConnectorProvider;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Util class for common methods of transactions.
- *
- */
-public final class TransactionUtil {
-
-    private static final Logger LOG = LoggerFactory.getLogger(TransactionUtil.class);
-
-    private TransactionUtil() {
-        throw new UnsupportedOperationException("Util class");
-    }
-
-    /**
-     * Merged parents of data.
-     *
-     * @param path
-     *             path of data
-     * @param schemaContext
-     *             {@link SchemaContext}
-     * @param writeTx
-     *             write transaction
-     */
-    public static void ensureParentsByMerge(final YangInstanceIdentifier path, final SchemaContext schemaContext,
-            final DOMDataWriteTransaction writeTx) {
-        final List<PathArgument> normalizedPathWithoutChildArgs = new ArrayList<>();
-        YangInstanceIdentifier rootNormalizedPath = null;
-
-        final Iterator<PathArgument> it = path.getPathArguments().iterator();
-
-        while (it.hasNext()) {
-            final PathArgument pathArgument = it.next();
-            if (rootNormalizedPath == null) {
-                rootNormalizedPath = YangInstanceIdentifier.create(pathArgument);
-            }
-
-            if (it.hasNext()) {
-                normalizedPathWithoutChildArgs.add(pathArgument);
-            }
-        }
-
-        if (normalizedPathWithoutChildArgs.isEmpty()) {
-            return;
-        }
-
-        Preconditions.checkArgument(rootNormalizedPath != null, "Empty path received");
-
-        final NormalizedNode<?, ?> parentStructure = ImmutableNodes.fromInstanceId(schemaContext,
-                YangInstanceIdentifier.create(normalizedPathWithoutChildArgs));
-        writeTx.merge(LogicalDatastoreType.CONFIGURATION, rootNormalizedPath, parentStructure);
-    }
-
-    /**
-     * Check if items already exists at specified {@code path}. Throws {@link RestconfDocumentedException} if
-     * data does NOT already exists.
-     * @param transactionChain Transaction chain
-     * @param rwTransaction Transaction
-     * @param store Datastore
-     * @param path Path to be checked
-     * @param operationType Type of operation (READ, POST, PUT, DELETE...)
-     */
-    public static void checkItemExists(final DOMTransactionChain transactionChain,
-                                       final DOMDataReadWriteTransaction rwTransaction,
-                                       final LogicalDatastoreType store, final YangInstanceIdentifier path,
-                                       final String operationType) {
-        final CheckedFuture<Boolean, ReadFailedException> future = rwTransaction.exists(store, path);
-        final FutureDataFactory<Boolean> response = new FutureDataFactory<>();
-
-        FutureCallbackTx.addCallback(future, operationType, response);
-
-        if (!response.result) {
-            // close transaction and reset transaction chain
-            rwTransaction.cancel();
-            RestConnectorProvider.resetTransactionChainForAdapaters(transactionChain);
-
-            // throw error
-            final String errMsg = "Operation via Restconf was not executed because data does not exist";
-            LOG.trace("{}:{}", errMsg, path);
-            throw new RestconfDocumentedException(
-                    "Data does not exist", ErrorType.PROTOCOL, ErrorTag.DATA_MISSING, path);
-        }
-    }
-
-    /**
-     * Check if items do NOT already exists at specified {@code path}. Throws {@link RestconfDocumentedException} if
-     * data already exists.
-     * @param transactionChain Transaction chain
-     * @param rwTransaction Transaction
-     * @param store Datastore
-     * @param path Path to be checked
-     * @param operationType Type of operation (READ, POST, PUT, DELETE...)
-     */
-    public static void checkItemDoesNotExists(final DOMTransactionChain transactionChain,
-                                              final DOMDataReadWriteTransaction rwTransaction,
-                                              final LogicalDatastoreType store, final YangInstanceIdentifier path,
-                                              final String operationType) {
-        final CheckedFuture<Boolean, ReadFailedException> future = rwTransaction.exists(store, path);
-        final FutureDataFactory<Boolean> response = new FutureDataFactory<>();
-
-        FutureCallbackTx.addCallback(future, operationType, response);
-
-        if (response.result) {
-            // close transaction and reset transaction chain
-            rwTransaction.cancel();
-            RestConnectorProvider.resetTransactionChainForAdapaters(transactionChain);
-
-            // throw error
-            final String errMsg = "Operation via Restconf was not executed because data already exists";
-            LOG.trace("{}:{}", errMsg, path);
-            throw new RestconfDocumentedException(
-                    "Data already exists", ErrorType.PROTOCOL, ErrorTag.DATA_EXISTS, path);
-        }
-    }
-}