modules/core/src/main/java/org/apache/ignite/internal/processors/platform/PlatformAbstractBootstrap.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.processors.platform;

import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.Ignition;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.internal.IgniteEx;
import org.apache.ignite.internal.IgnitionEx;
import org.apache.ignite.internal.processors.platform.memory.PlatformExternalMemory;
import org.apache.ignite.internal.processors.platform.memory.PlatformInputStream;
import org.apache.ignite.internal.processors.resource.GridSpringResourceContext;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.lang.IgniteClosure;
import org.jetbrains.annotations.Nullable;

/**
 * Base interop bootstrap implementation.
 */
public abstract class PlatformAbstractBootstrap implements PlatformBootstrap {
    /** {@inheritDoc} */
    @Override public PlatformProcessor start(IgniteConfiguration cfg, @Nullable GridSpringResourceContext springCtx,
        long envPtr) {

        IgniteConfiguration cfg0 = closure(envPtr).apply(cfg);

        try {
            IgniteEx node = (IgniteEx)IgnitionEx.start(cfg0, springCtx);

            return node.context().platform();
        }
        catch (IgniteCheckedException e) {
            throw U.convertException(e);
        }
    }

    /** {@inheritDoc} */
    @Override public void init(long dataPtr) {
        final PlatformInputStream input = new PlatformExternalMemory(null, dataPtr).input();

        Ignition.setClientMode(input.readBoolean());

        processInput(input);
    }

    /**
     * Get configuration transformer closure.
     *
     * @param envPtr Environment pointer.
     * @return Closure.
     */
    protected abstract IgniteClosure<IgniteConfiguration, IgniteConfiguration> closure(long envPtr);

    /**
     * Processes any additional input data.
     *
     * @param input Input stream.
     */
    protected void processInput(PlatformInputStream input) {
        // No-op.
    }
}