modules/core/src/main/java/org/apache/ignite/internal/processors/service/ServiceSingleNodeDeploymentResultBatch.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.service;

import java.nio.ByteBuffer;
import java.util.Map;
import org.apache.ignite.internal.util.tostring.GridToStringInclude;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.lang.IgniteUuid;
import org.apache.ignite.plugin.extensions.communication.Message;
import org.apache.ignite.plugin.extensions.communication.MessageReader;
import org.apache.ignite.plugin.extensions.communication.MessageWriter;
import org.jetbrains.annotations.NotNull;

import static org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType.IGNITE_UUID;
import static org.apache.ignite.plugin.extensions.communication.MessageCollectionItemType.MSG;

/**
 * Batch of service single node deployment result.
 * <p/>
 * Contains collection of {@link ServiceSingleNodeDeploymentResult} mapped services ids.
 */
public class ServiceSingleNodeDeploymentResultBatch implements Message {
    /** */
    private static final long serialVersionUID = 0L;

    /** Deployment process id. */
    @GridToStringInclude
    private ServiceDeploymentProcessId depId;

    /** Services deployments results. */
    @GridToStringInclude
    private Map<IgniteUuid, ServiceSingleNodeDeploymentResult> results;

    /**
     * Empty constructor for marshalling purposes.
     */
    public ServiceSingleNodeDeploymentResultBatch() {
    }

    /**
     * @param depId Deployment process id.
     * @param results Services deployments results.
     */
    public ServiceSingleNodeDeploymentResultBatch(@NotNull ServiceDeploymentProcessId depId,
        @NotNull Map<IgniteUuid, ServiceSingleNodeDeploymentResult> results) {
        this.depId = depId;
        this.results = results;
    }

    /**
     * @return Services deployments results.
     */
    public Map<IgniteUuid, ServiceSingleNodeDeploymentResult> results() {
        return results;
    }

    /**
     * @return Deployment process id.
     */
    public ServiceDeploymentProcessId deploymentId() {
        return depId;
    }

    /** {@inheritDoc} */
    @Override public boolean writeTo(ByteBuffer buf, MessageWriter writer) {
        writer.setBuffer(buf);

        if (!writer.isHeaderWritten()) {
            if (!writer.writeHeader(directType(), fieldsCount()))
                return false;

            writer.onHeaderWritten();
        }

        switch (writer.state()) {
            case 0:
                if (!writer.writeMessage("depId", depId))
                    return false;

                writer.incrementState();

            case 1:
                if (!writer.writeMap("results", results, IGNITE_UUID, MSG))
                    return false;

                writer.incrementState();
        }

        return true;
    }

    /** {@inheritDoc} */
    @Override public boolean readFrom(ByteBuffer buf, MessageReader reader) {
        reader.setBuffer(buf);

        if (!reader.beforeMessageRead())
            return false;

        switch (reader.state()) {
            case 0:
                depId = reader.readMessage("depId");

                if (!reader.isLastRead())
                    return false;

                reader.incrementState();

            case 1:
                results = reader.readMap("results", IGNITE_UUID, MSG, false);

                if (!reader.isLastRead())
                    return false;

                reader.incrementState();
        }

        return reader.afterMessageRead(ServiceSingleNodeDeploymentResultBatch.class);
    }

    /** {@inheritDoc} */
    @Override public short directType() {
        return 168;
    }

    /** {@inheritDoc} */
    @Override public byte fieldsCount() {
        return 2;
    }

    /** {@inheritDoc} */
    @Override public void onAckReceived() {
        // No-op.
    }

    /** {@inheritDoc} */
    @Override public String toString() {
        return S.toString(ServiceSingleNodeDeploymentResultBatch.class, this);
    }
}