com.simiacryptus.mindseye.layers.java.WrapperLayer.java Source code

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Here is the source code for com.simiacryptus.mindseye.layers.java.WrapperLayer.java

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/*
 * Copyright (c) 2018 by Andrew Charneski.
 *
 * The author licenses this file to you under the
 * Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance
 * with the License.  You may obtain a copy
 * of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License 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 com.simiacryptus.mindseye.layers.java;

import com.google.gson.JsonObject;
import com.simiacryptus.mindseye.lang.DataSerializer;
import com.simiacryptus.mindseye.lang.Layer;
import com.simiacryptus.mindseye.lang.LayerBase;
import com.simiacryptus.mindseye.lang.Result;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.List;
import java.util.Map;

/**
 * A base class for layers whose actual behavior is delegated.
 */
@SuppressWarnings("serial")
public abstract class WrapperLayer extends LayerBase {
    @Nullable
    private Layer inner;

    /**
     * Instantiates a new Wrapper key.
     */
    protected WrapperLayer() {
        inner = null;
    }

    /**
     * Instantiates a new Wrapper key.
     *
     * @param json the json
     * @param rs   the rs
     */
    public WrapperLayer(@Nonnull final JsonObject json, Map<CharSequence, byte[]> rs) {
        super(json);
        this.inner = Layer.fromJson(json.getAsJsonObject("inner"), rs);
    }

    /**
     * Instantiates a new Wrapper key.
     *
     * @param inner the heapCopy
     */
    public WrapperLayer(final Layer inner) {
        this.inner = inner;
        this.inner.addRef();
    }

    @Override
    protected void _free() {
        if (null != this.inner)
            this.inner.freeRef();
        super._free();
    }

    @Nullable
    @Override
    public Result eval(final Result... array) {
        return inner.eval(array);
    }

    /**
     * The Inner.
     */
    /**
     * Gets heapCopy.
     *
     * @return the heapCopy
     */
    @Nullable
    public final Layer getInner() {
        return inner;
    }

    /**
     * Sets inner.
     *
     * @param inner the inner
     * @return the inner
     */
    public WrapperLayer setInner(@Nullable Layer inner) {
        this.inner = inner;
        return this;
    }

    @Nonnull
    @Override
    public JsonObject getJson(Map<CharSequence, byte[]> resources, DataSerializer dataSerializer) {
        @Nonnull
        final JsonObject json = super.getJsonStub();
        json.add("inner", getInner().getJson(resources, dataSerializer));
        return json;
    }

    @Override
    public boolean isFrozen() {
        if (null == inner)
            return true;
        return inner.isFrozen();
    }

    @Nonnull
    @Override
    public Layer setFrozen(final boolean frozen) {
        if (null == inner)
            return this;
        inner.setFrozen(frozen);
        return this;
    }

    @Nullable
    @Override
    public List<double[]> state() {
        return inner.state();
    }
}