/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015 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
+ * 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.yangtools.yang.data.impl.schema.tree;
-
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import com.google.common.base.MoreObjects.ToStringHelper;
+import java.util.Optional;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.NonNullByDefault;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
-import org.opendaylight.yangtools.yang.model.api.ConstraintDefinition;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.RequiredElementCountException;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-final class MinMaxElementsValidation extends SchemaAwareApplyOperation {
+import org.opendaylight.yangtools.yang.model.api.ElementCountConstraint;
+import org.opendaylight.yangtools.yang.model.api.ElementCountConstraintAware;
- private static final Logger LOG = LoggerFactory.getLogger(MinMaxElementsValidation.class);
- private final SchemaAwareApplyOperation delegate;
- private final Integer minElements;
- private final Integer maxElements;
+final class MinMaxElementsValidation<T extends DataSchemaNode & ElementCountConstraintAware>
+ extends AbstractValidation {
+ private final int minElements;
+ private final int maxElements;
- private MinMaxElementsValidation(final SchemaAwareApplyOperation delegate, final Integer minElements,
+ private MinMaxElementsValidation(final SchemaAwareApplyOperation<T> delegate, final Integer minElements,
final Integer maxElements) {
- this.delegate = Preconditions.checkNotNull(delegate);
- this.minElements = minElements;
- this.maxElements = maxElements;
+ super(delegate);
+ this.minElements = minElements != null ? minElements : 0;
+ this.maxElements = maxElements != null ? maxElements : Integer.MAX_VALUE;
}
- static SchemaAwareApplyOperation from(final SchemaAwareApplyOperation delegate, final DataSchemaNode schema) {
- final ConstraintDefinition constraints = schema.getConstraints();
- if (constraints == null || (constraints.getMinElements() == null && constraints.getMaxElements() == null)) {
+ static <T extends DataSchemaNode & ElementCountConstraintAware> ModificationApplyOperation from(
+ final SchemaAwareApplyOperation<T> delegate) {
+ final Optional<ElementCountConstraint> optConstraint = delegate.getSchema().getElementCountConstraint();
+ if (!optConstraint.isPresent()) {
return delegate;
}
- return new MinMaxElementsValidation(delegate, constraints.getMinElements(), constraints.getMaxElements());
+ final ElementCountConstraint constraint = optConstraint.get();
+ return new MinMaxElementsValidation<>(delegate, constraint.getMinElements(), constraint.getMaxElements());
}
- private static int findChildrenBefore(final Optional<TreeNode> current) {
- if (current.isPresent()) {
- return numOfChildrenFromValue(current.get().getData());
- } else {
- return 0;
- }
+ @Override
+ void enforceOnData(final NormalizedNode<?, ?> data) {
+ enforceOnData(data, (actual, message) -> new IllegalArgumentException(message));
}
- private static int findChildrenAfter(final ModifiedNode modification) {
- if (modification.getWrittenValue() != null) {
- return numOfChildrenFromValue(modification.getWrittenValue());
- } else {
- return 0;
- }
+ @Override
+ void enforceOnData(final ModificationPath path, final NormalizedNode<?, ?> data)
+ throws RequiredElementCountException {
+ enforceOnData(data, (actual, message) -> new RequiredElementCountException(path.toInstanceIdentifier(),
+ minElements, maxElements, actual, message));
}
- private void checkMinMaxElements(final YangInstanceIdentifier path, final NodeModification nodeMod,
- final Optional<TreeNode> current) throws DataValidationFailedException {
- if (!(nodeMod instanceof ModifiedNode)) {
- LOG.debug("Could not validate {}, does not implement expected class {}", nodeMod, ModifiedNode.class);
- return;
- }
- final ModifiedNode modification = (ModifiedNode) nodeMod;
-
- final int childrenBefore = findChildrenBefore(current);
-
- final int childrenAfter = findChildrenAfter(modification);
+ @FunctionalInterface
+ @NonNullByDefault
+ interface ExceptionSupplier<T extends Exception> {
+ T get(int actual, String message);
+ }
- final int childrenTotal = childrenBefore + childrenAfter + numOfChildrenFromChildMods(modification, current);
- if (minElements != null && minElements > childrenTotal) {
- throw new DataValidationFailedException(path, String.format(
- "%s does not have enough elements (%s), needs at least %s", modification.getIdentifier(),
- childrenTotal, minElements));
+ private <X extends @NonNull Exception> void enforceOnData(final NormalizedNode<?, ?> value,
+ final ExceptionSupplier<X> exceptionSupplier) throws X {
+ final int children = numOfChildrenFromValue(value);
+ if (minElements > children) {
+ throw exceptionSupplier.get(children, value.getIdentifier()
+ + " does not have enough elements (" + children + "), needs at least " + minElements);
}
- if (maxElements != null && maxElements < childrenTotal) {
- throw new DataValidationFailedException(path, String.format(
- "%s has too many elements (%s), can have at most %s", modification.getIdentifier(), childrenTotal,
- maxElements));
+ if (maxElements < children) {
+ throw exceptionSupplier.get(children, value.getIdentifier()
+ + " has too many elements (" + children + "), can have at most " + maxElements);
}
}
+ @Override
+ ToStringHelper addToStringAttributes(final ToStringHelper helper) {
+ return super.addToStringAttributes(helper.add("min", minElements).add("max", maxElements));
+ }
+
private static int numOfChildrenFromValue(final NormalizedNode<?, ?> value) {
if (value instanceof NormalizedNodeContainer) {
- return ((NormalizedNodeContainer<?, ?, ?>) value).getValue().size();
+ return ((NormalizedNodeContainer<?, ?, ?>) value).size();
} else if (value instanceof UnkeyedListNode) {
return ((UnkeyedListNode) value).getSize();
}
"Unexpected type '%s', expected types are NormalizedNodeContainer and UnkeyedListNode",
value.getClass()));
}
-
- private static int numOfChildrenFromChildMods(final ModifiedNode modification, final Optional<TreeNode> current) {
- int result = 0;
- for (final ModifiedNode modChild : modification.getChildren()) {
- switch (modChild.getOperation()) {
- case WRITE:
- result++;
- break;
- case MERGE:
- if (!current.isPresent()) {
- result++;
- }
- break;
- case DELETE:
- result--;
- break;
- case NONE:
- case TOUCH:
- // NOOP
- break;
- default:
- throw new IllegalArgumentException("Unsupported operation type: " + modChild.getOperation());
- }
- }
- return result;
- }
-
- @Override
- protected void checkTouchApplicable(final YangInstanceIdentifier path, final NodeModification modification,
- final Optional<TreeNode> current) throws DataValidationFailedException {
- delegate.checkTouchApplicable(path, modification, current);
- checkMinMaxElements(path, modification, current);
- }
-
- @Override
- protected void checkMergeApplicable(final YangInstanceIdentifier path, final NodeModification modification,
- final Optional<TreeNode> current) throws DataValidationFailedException {
- delegate.checkMergeApplicable(path, modification, current);
- checkMinMaxElements(path, modification, current);
- }
-
- @Override
- protected void checkWriteApplicable(final YangInstanceIdentifier path, final NodeModification modification,
- final Optional<TreeNode> current) throws DataValidationFailedException {
- delegate.checkWriteApplicable(path, modification, current);
- checkMinMaxElements(path, modification, current);
- }
-
-
- @Override
- public Optional<ModificationApplyOperation> getChild(final PathArgument child) {
- return delegate.getChild(child);
- }
-
- @Override
- protected void verifyStructure(final NormalizedNode<?, ?> modification, final boolean verifyChildren) {
- delegate.verifyStructure(modification, verifyChildren);
- }
-
- @Override
- protected TreeNode applyMerge(final ModifiedNode modification, final TreeNode currentMeta, final Version version) {
- return delegate.applyMerge(modification, currentMeta, version);
- }
-
- @Override
- protected TreeNode applyTouch(final ModifiedNode modification, final TreeNode currentMeta, final Version version) {
- return delegate.applyTouch(modification, currentMeta, version);
- }
-
- @Override
- protected TreeNode applyWrite(final ModifiedNode modification, final Optional<TreeNode> currentMeta,
- final Version version) {
- return delegate.applyWrite(modification, currentMeta, version);
- }
-
- @Override
- protected ChildTrackingPolicy getChildPolicy() {
- return delegate.getChildPolicy();
- }
}
Code Review / yangtools.git / blobdiff