* 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.nb.rfc8040.rests.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.restconf.common.errors.RestconfDocumentedException;
-import org.opendaylight.restconf.common.errors.RestconfError.ErrorTag;
-import org.opendaylight.restconf.common.errors.RestconfError.ErrorType;
-import org.opendaylight.restconf.nb.rfc8040.handlers.TransactionChainHandler;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.restconf.nb.rfc8040.rests.transactions.RestconfTransaction;
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
+ * @param path path of data
+ * @param schemaContext {@link SchemaContext}
+ * @param transaction A handle to a set of DS operations
*/
+ // FIXME: this method should only be invoked in MdsalRestconfStrategy, and even then only if we are crossing
+ // an implicit list.
public static void ensureParentsByMerge(final YangInstanceIdentifier path, final SchemaContext schemaContext,
- final DOMDataWriteTransaction writeTx) {
+ final RestconfTransaction transaction) {
final List<PathArgument> normalizedPathWithoutChildArgs = new ArrayList<>();
YangInstanceIdentifier rootNormalizedPath = null;
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 transactionChainHandler Transaction chain handler
- * @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 TransactionChainHandler transactionChainHandler,
- 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();
- transactionChainHandler.reset();
-
- // 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 transactionChainHandler Transaction chain handler
- * @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 TransactionChainHandler transactionChainHandler,
- 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();
- transactionChainHandler.reset();
-
- // 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);
- }
+ transaction.merge(LogicalDatastoreType.CONFIGURATION, rootNormalizedPath, parentStructure);
}
}
Code Review / netconf.git / blobdiff