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/*
* Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance
* with the License. A copy of the License is located at
*
* http://aws.amazon.com/apache2.0/
*
* or in the "license" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
* OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
*/
package ai.djl.nn;
import ai.djl.ndarray.NDManager;
import ai.djl.ndarray.types.Shape;
import ai.djl.util.PairList;
/**
* {@code SymbolBlock} is a {@link Block} is used to load models that were exported directly from
* the engine in its native format.
*/
public interface SymbolBlock extends Block {
/**
* Creates an empty SymbolBlock instance.
*
* @param manager the manager to be applied in the SymbolBlock
* @return a new Model instance
*/
static SymbolBlock newInstance(NDManager manager) {
return manager.getEngine().newSymbolBlock(manager);
}
/** Removes the last block in the symbolic graph. */
default void removeLastBlock() {
throw new UnsupportedOperationException("not supported");
}
/**
* Returns a {@link PairList} of output names and shapes stored in model file.
*
* @return the {@link PairList} of output names, and shapes
*/
default PairList describeOutput() {
throw new UnsupportedOperationException("not supported");
}
}