modules/core/src/main/java/org/apache/ignite/internal/binary/builder/BinaryObjectArrayLazyValue.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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 org.apache.ignite.internal.binary.builder;

import org.apache.ignite.internal.binary.GridBinaryMarshaller;
import org.apache.ignite.internal.binary.BinaryWriterExImpl;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.binary.BinaryInvalidTypeException;

/**
 *
 */
class BinaryObjectArrayLazyValue extends BinaryAbstractLazyValue {
    /** */
    private Object[] lazyValsArr;

    /** */
    private int compTypeId;

    /** */
    private String clsName;

    /**
     * @param reader Reader.
     */
    protected BinaryObjectArrayLazyValue(BinaryBuilderReader reader) {
        super(reader, reader.position() - 1);

        int typeId = reader.readInt();

        if (typeId == GridBinaryMarshaller.UNREGISTERED_TYPE_ID) {
            clsName = reader.readString();

            Class cls;

            try {
                cls = U.forName(reader.readString(), reader.binaryContext().configuration().getClassLoader());
            }
            catch (ClassNotFoundException e) {
                throw new BinaryInvalidTypeException("Failed to load the class: " + clsName, e);
            }

            compTypeId = reader.binaryContext().descriptorForClass(cls, true, false).typeId();
        }
        else {
            compTypeId = typeId;
            clsName = null;
        }

        int size = reader.readInt();

        lazyValsArr = new Object[size];

        for (int i = 0; i < size; i++)
            lazyValsArr[i] = reader.parseValue();
    }

    /** {@inheritDoc} */
    @Override protected Object init() {
        for (int i = 0; i < lazyValsArr.length; i++) {
            if (lazyValsArr[i] instanceof BinaryLazyValue)
                lazyValsArr[i] = ((BinaryLazyValue)lazyValsArr[i]).value();
        }

        return lazyValsArr;
    }

    /** {@inheritDoc} */
    @Override public void writeTo(BinaryWriterExImpl writer, BinaryBuilderSerializer ctx) {
        if (clsName == null)
            ctx.writeArray(writer, GridBinaryMarshaller.OBJ_ARR, lazyValsArr, compTypeId);
        else
            ctx.writeArray(writer, GridBinaryMarshaller.OBJ_ARR, lazyValsArr, clsName);
    }
}