--- /dev/null
+package org.opendaylight.controller.md.sal.dom.store.impl.tree.data;
+
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
+
+import com.google.common.base.Optional;
+import com.google.common.primitives.UnsignedLong;
+
+final class AlwaysFailOperation implements ModificationApplyOperation {
+
+ @Override
+ public Optional<StoreMetadataNode> apply(final NodeModification modification,
+ final Optional<StoreMetadataNode> storeMeta, final UnsignedLong subtreeVersion) {
+ throw new IllegalStateException("Schema Context is not available.");
+ }
+
+ @Override
+ public void checkApplicable(final InstanceIdentifier path,final NodeModification modification, final Optional<StoreMetadataNode> storeMetadata) {
+ throw new IllegalStateException("Schema Context is not available.");
+ }
+
+ @Override
+ public Optional<ModificationApplyOperation> getChild(final PathArgument child) {
+ throw new IllegalStateException("Schema Context is not available.");
+ }
+
+ @Override
+ public void verifyStructure(final NodeModification modification) throws IllegalArgumentException {
+ throw new IllegalStateException("Schema Context is not available.");
+ }
+}
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