--- /dev/null
+/*
+ * Copyright (c) 2019 PANTHEON.tech, s.r.o. 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.yangtools.yang.data.api.schema.stream;
+
+import com.google.common.annotations.Beta;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+/**
+ * Utility marker interface for {@link NormalizedNodeStreamWriter} implementations which can be reused multiple times
+ * and can expose a {@link NormalizedNode} result of each complete streaming use.
+ *
+ * <p>
+ * An example of use would be:
+ * <pre>
+ * ReusableStreamReceiver writer;
+ * final NormalizedNode result;
+ *
+ * try {
+ * // pipe events into writer:
+ * writer.startContainer(...);
+ * ...
+ *
+ * result = writer.getResult();
+ * } finally {
+ * writer.reset();
+ * }
+ * </pre>
+ *
+ * <p>
+ * Note the writer should always be {@link #reset()} in a {@code finally} block, so that any streaming state is
+ * properly discarded.
+ */
+@Beta
+public interface ReusableStreamReceiver extends NormalizedNodeStreamWriter {
+ /**
+ * Acquire the result of the last streaming session.
+ *
+ * @return Result of streaming.
+ */
+ NormalizedNode<?, ?> getResult();
+
+ /**
+ * Reset this writer to initial state.
+ */
+ void reset();
+}
import com.google.common.annotations.Beta;
import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.stream.ReusableStreamReceiver;
/**
* A reusable variant of {@link ImmutableNormalizedNodeStreamWriter}. It can be reset into its base state and used for
* multiple streaming sessions.
*/
@Beta
-public final class ReusableImmutableNormalizedNodeStreamWriter extends ImmutableNormalizedNodeStreamWriter {
+public final class ReusableImmutableNormalizedNodeStreamWriter extends ImmutableNormalizedNodeStreamWriter
+ implements ReusableStreamReceiver {
private final NormalizedNodeResultBuilder builder;
private ReusableImmutableNormalizedNodeStreamWriter(final NormalizedNodeResultBuilder builder) {
return new ReusableImmutableNormalizedNodeStreamWriter(new NormalizedNodeResultBuilder());
}
+ @Override
public void reset() {
builder.result().reset();
reset(builder);
}
+ @Override
public NormalizedNode<?, ?> getResult() {
return builder.result().getResult();
}