org.graylog.plugins.views.search.export.SimpleMessageChunk Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of graylog2-server Show documentation
Graylog
There is a newer version: 6.0.2
/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog.plugins.views.search.export;

import com.google.auto.value.AutoValue;

import java.util.LinkedHashSet;

import static org.graylog.plugins.views.search.export.LinkedHashSetUtil.linkedHashSetOf;

@AutoValue
public abstract class SimpleMessageChunk {
    public enum ChunkOrder {
        FIRST,
        INTERMEDIATE,
        LAST;
    }
    public static SimpleMessageChunk from(LinkedHashSet fieldsInOrder, LinkedHashSet messages) {
        return builder().fieldsInOrder(fieldsInOrder).messages(messages).build();
    }

    public static SimpleMessageChunk from(LinkedHashSet fieldsInOrder, SimpleMessage... messages) {
        return from(fieldsInOrder, linkedHashSetOf(messages));
    }

    public abstract LinkedHashSet fieldsInOrder();

    public abstract LinkedHashSet messages();

    public boolean isFirstChunk() {
        return chunkOrder().equals(ChunkOrder.FIRST);
    }

    public boolean isLastChunk() {
        return chunkOrder().equals(ChunkOrder.LAST);
    }

    public abstract ChunkOrder chunkOrder();

    public int size() {
        return messages().size();
    }

    public static Builder builder() {
        return Builder.create().chunkOrder(ChunkOrder.INTERMEDIATE);
    }

    public abstract Builder toBuilder();

    public Object[][] getAllValuesInOrder() {
        return messages().stream()
                .map(this::valuesFrom)
                .toArray(Object[][]::new);
    }

    private Object[] valuesFrom(SimpleMessage simpleMessage) {
        return fieldsInOrder().stream().map(simpleMessage::valueFor).toArray();
    }

    @AutoValue.Builder
    public abstract static class Builder {
        public abstract Builder fieldsInOrder(LinkedHashSet fieldsInOrder);

        public abstract Builder messages(LinkedHashSet messages);

        public abstract Builder chunkOrder(ChunkOrder chunkOrder);

        public static Builder create() {
            return new AutoValue_SimpleMessageChunk.Builder();
        }

        abstract SimpleMessageChunk autoBuild();

        public SimpleMessageChunk build() {
            return autoBuild();
        }
    }
}