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Efficient reliable UDP unicast, UDP multicast, and IPC transport protocol.
There is a newer version: 1.48.0
/* Generated SBE (Simple Binary Encoding) message codec. */
package io.aeron.cluster.codecs;

import org.agrona.MutableDirectBuffer;
import org.agrona.DirectBuffer;


/**
 * Event for the change of the cluster membership that affects the cluster size.
 */
@SuppressWarnings("all")
public final class MembershipChangeEventDecoder
{
    public static final int BLOCK_LENGTH = 40;
    public static final int TEMPLATE_ID = 25;
    public static final int SCHEMA_ID = 111;
    public static final int SCHEMA_VERSION = 12;
    public static final String SEMANTIC_VERSION = "5.4";
    public static final java.nio.ByteOrder BYTE_ORDER = java.nio.ByteOrder.LITTLE_ENDIAN;

    private final MembershipChangeEventDecoder parentMessage = this;
    private DirectBuffer buffer;
    private int offset;
    private int limit;
    int actingBlockLength;
    int actingVersion;

    public int sbeBlockLength()
    {
        return BLOCK_LENGTH;
    }

    public int sbeTemplateId()
    {
        return TEMPLATE_ID;
    }

    public int sbeSchemaId()
    {
        return SCHEMA_ID;
    }

    public int sbeSchemaVersion()
    {
        return SCHEMA_VERSION;
    }

    public String sbeSemanticType()
    {
        return "";
    }

    public DirectBuffer buffer()
    {
        return buffer;
    }

    public int offset()
    {
        return offset;
    }

    public MembershipChangeEventDecoder wrap(
        final DirectBuffer buffer,
        final int offset,
        final int actingBlockLength,
        final int actingVersion)
    {
        if (buffer != this.buffer)
        {
            this.buffer = buffer;
        }
        this.offset = offset;
        this.actingBlockLength = actingBlockLength;
        this.actingVersion = actingVersion;
        limit(offset + actingBlockLength);

        return this;
    }

    public MembershipChangeEventDecoder wrapAndApplyHeader(
        final DirectBuffer buffer,
        final int offset,
        final MessageHeaderDecoder headerDecoder)
    {
        headerDecoder.wrap(buffer, offset);

        final int templateId = headerDecoder.templateId();
        if (TEMPLATE_ID != templateId)
        {
            throw new IllegalStateException("Invalid TEMPLATE_ID: " + templateId);
        }

        return wrap(
            buffer,
            offset + MessageHeaderDecoder.ENCODED_LENGTH,
            headerDecoder.blockLength(),
            headerDecoder.version());
    }

    public MembershipChangeEventDecoder sbeRewind()
    {
        return wrap(buffer, offset, actingBlockLength, actingVersion);
    }

    public int sbeDecodedLength()
    {
        final int currentLimit = limit();
        sbeSkip();
        final int decodedLength = encodedLength();
        limit(currentLimit);

        return decodedLength;
    }

    public int actingVersion()
    {
        return actingVersion;
    }

    public int encodedLength()
    {
        return limit - offset;
    }

    public int limit()
    {
        return limit;
    }

    public void limit(final int limit)
    {
        this.limit = limit;
    }

    public static int leadershipTermIdId()
    {
        return 1;
    }

    public static int leadershipTermIdSinceVersion()
    {
        return 0;
    }

    public static int leadershipTermIdEncodingOffset()
    {
        return 0;
    }

    public static int leadershipTermIdEncodingLength()
    {
        return 8;
    }

    public static String leadershipTermIdMetaAttribute(final MetaAttribute metaAttribute)
    {
        if (MetaAttribute.PRESENCE == metaAttribute)
        {
            return "required";
        }

        return "";
    }

    public static long leadershipTermIdNullValue()
    {
        return -9223372036854775808L;
    }

    public static long leadershipTermIdMinValue()
    {
        return -9223372036854775807L;
    }

    public static long leadershipTermIdMaxValue()
    {
        return 9223372036854775807L;
    }

    public long leadershipTermId()
    {
        return buffer.getLong(offset + 0, BYTE_ORDER);
    }


    public static int logPositionId()
    {
        return 2;
    }

    public static int logPositionSinceVersion()
    {
        return 0;
    }

    public static int logPositionEncodingOffset()
    {
        return 8;
    }

    public static int logPositionEncodingLength()
    {
        return 8;
    }

    public static String logPositionMetaAttribute(final MetaAttribute metaAttribute)
    {
        if (MetaAttribute.PRESENCE == metaAttribute)
        {
            return "required";
        }

        return "";
    }

    public static long logPositionNullValue()
    {
        return -9223372036854775808L;
    }

    public static long logPositionMinValue()
    {
        return -9223372036854775807L;
    }

    public static long logPositionMaxValue()
    {
        return 9223372036854775807L;
    }

    public long logPosition()
    {
        return buffer.getLong(offset + 8, BYTE_ORDER);
    }


    public static int timestampId()
    {
        return 3;
    }

    public static int timestampSinceVersion()
    {
        return 0;
    }

    public static int timestampEncodingOffset()
    {
        return 16;
    }

    public static int timestampEncodingLength()
    {
        return 8;
    }

    public static String timestampMetaAttribute(final MetaAttribute metaAttribute)
    {
        if (MetaAttribute.PRESENCE == metaAttribute)
        {
            return "required";
        }

        return "";
    }

    public static long timestampNullValue()
    {
        return -9223372036854775808L;
    }

    public static long timestampMinValue()
    {
        return -9223372036854775807L;
    }

    public static long timestampMaxValue()
    {
        return 9223372036854775807L;
    }

    public long timestamp()
    {
        return buffer.getLong(offset + 16, BYTE_ORDER);
    }


    public static int leaderMemberIdId()
    {
        return 4;
    }

    public static int leaderMemberIdSinceVersion()
    {
        return 0;
    }

    public static int leaderMemberIdEncodingOffset()
    {
        return 24;
    }

    public static int leaderMemberIdEncodingLength()
    {
        return 4;
    }

    public static String leaderMemberIdMetaAttribute(final MetaAttribute metaAttribute)
    {
        if (MetaAttribute.PRESENCE == metaAttribute)
        {
            return "required";
        }

        return "";
    }

    public static int leaderMemberIdNullValue()
    {
        return -2147483648;
    }

    public static int leaderMemberIdMinValue()
    {
        return -2147483647;
    }

    public static int leaderMemberIdMaxValue()
    {
        return 2147483647;
    }

    public int leaderMemberId()
    {
        return buffer.getInt(offset + 24, BYTE_ORDER);
    }


    public static int clusterSizeId()
    {
        return 5;
    }

    public static int clusterSizeSinceVersion()
    {
        return 0;
    }

    public static int clusterSizeEncodingOffset()
    {
        return 28;
    }

    public static int clusterSizeEncodingLength()
    {
        return 4;
    }

    public static String clusterSizeMetaAttribute(final MetaAttribute metaAttribute)
    {
        if (MetaAttribute.PRESENCE == metaAttribute)
        {
            return "required";
        }

        return "";
    }

    public static int clusterSizeNullValue()
    {
        return -2147483648;
    }

    public static int clusterSizeMinValue()
    {
        return -2147483647;
    }

    public static int clusterSizeMaxValue()
    {
        return 2147483647;
    }

    public int clusterSize()
    {
        return buffer.getInt(offset + 28, BYTE_ORDER);
    }


    public static int changeTypeId()
    {
        return 6;
    }

    public static int changeTypeSinceVersion()
    {
        return 0;
    }

    public static int changeTypeEncodingOffset()
    {
        return 32;
    }

    public static int changeTypeEncodingLength()
    {
        return 4;
    }

    public static String changeTypeMetaAttribute(final MetaAttribute metaAttribute)
    {
        if (MetaAttribute.PRESENCE == metaAttribute)
        {
            return "required";
        }

        return "";
    }

    public int changeTypeRaw()
    {
        return buffer.getInt(offset + 32, BYTE_ORDER);
    }

    public ChangeType changeType()
    {
        return ChangeType.get(buffer.getInt(offset + 32, BYTE_ORDER));
    }


    public static int memberIdId()
    {
        return 7;
    }

    public static int memberIdSinceVersion()
    {
        return 0;
    }

    public static int memberIdEncodingOffset()
    {
        return 36;
    }

    public static int memberIdEncodingLength()
    {
        return 4;
    }

    public static String memberIdMetaAttribute(final MetaAttribute metaAttribute)
    {
        if (MetaAttribute.PRESENCE == metaAttribute)
        {
            return "required";
        }

        return "";
    }

    public static int memberIdNullValue()
    {
        return -2147483648;
    }

    public static int memberIdMinValue()
    {
        return -2147483647;
    }

    public static int memberIdMaxValue()
    {
        return 2147483647;
    }

    public int memberId()
    {
        return buffer.getInt(offset + 36, BYTE_ORDER);
    }


    public static int clusterMembersId()
    {
        return 8;
    }

    public static int clusterMembersSinceVersion()
    {
        return 0;
    }

    public static String clusterMembersCharacterEncoding()
    {
        return java.nio.charset.StandardCharsets.US_ASCII.name();
    }

    public static String clusterMembersMetaAttribute(final MetaAttribute metaAttribute)
    {
        if (MetaAttribute.PRESENCE == metaAttribute)
        {
            return "required";
        }

        return "";
    }

    public static int clusterMembersHeaderLength()
    {
        return 4;
    }

    public int clusterMembersLength()
    {
        final int limit = parentMessage.limit();
        return (int)(buffer.getInt(limit, BYTE_ORDER) & 0xFFFF_FFFFL);
    }

    public int skipClusterMembers()
    {
        final int headerLength = 4;
        final int limit = parentMessage.limit();
        final int dataLength = (int)(buffer.getInt(limit, BYTE_ORDER) & 0xFFFF_FFFFL);
        final int dataOffset = limit + headerLength;
        parentMessage.limit(dataOffset + dataLength);

        return dataLength;
    }

    public int getClusterMembers(final MutableDirectBuffer dst, final int dstOffset, final int length)
    {
        final int headerLength = 4;
        final int limit = parentMessage.limit();
        final int dataLength = (int)(buffer.getInt(limit, BYTE_ORDER) & 0xFFFF_FFFFL);
        final int bytesCopied = Math.min(length, dataLength);
        parentMessage.limit(limit + headerLength + dataLength);
        buffer.getBytes(limit + headerLength, dst, dstOffset, bytesCopied);

        return bytesCopied;
    }

    public int getClusterMembers(final byte[] dst, final int dstOffset, final int length)
    {
        final int headerLength = 4;
        final int limit = parentMessage.limit();
        final int dataLength = (int)(buffer.getInt(limit, BYTE_ORDER) & 0xFFFF_FFFFL);
        final int bytesCopied = Math.min(length, dataLength);
        parentMessage.limit(limit + headerLength + dataLength);
        buffer.getBytes(limit + headerLength, dst, dstOffset, bytesCopied);

        return bytesCopied;
    }

    public void wrapClusterMembers(final DirectBuffer wrapBuffer)
    {
        final int headerLength = 4;
        final int limit = parentMessage.limit();
        final int dataLength = (int)(buffer.getInt(limit, BYTE_ORDER) & 0xFFFF_FFFFL);
        parentMessage.limit(limit + headerLength + dataLength);
        wrapBuffer.wrap(buffer, limit + headerLength, dataLength);
    }

    public String clusterMembers()
    {
        final int headerLength = 4;
        final int limit = parentMessage.limit();
        final int dataLength = (int)(buffer.getInt(limit, BYTE_ORDER) & 0xFFFF_FFFFL);
        parentMessage.limit(limit + headerLength + dataLength);

        if (0 == dataLength)
        {
            return "";
        }

        final byte[] tmp = new byte[dataLength];
        buffer.getBytes(limit + headerLength, tmp, 0, dataLength);

        return new String(tmp, java.nio.charset.StandardCharsets.US_ASCII);
    }

    public int getClusterMembers(final Appendable appendable)
    {
        final int headerLength = 4;
        final int limit = parentMessage.limit();
        final int dataLength = (int)(buffer.getInt(limit, BYTE_ORDER) & 0xFFFF_FFFFL);
        final int dataOffset = limit + headerLength;

        parentMessage.limit(dataOffset + dataLength);
        buffer.getStringWithoutLengthAscii(dataOffset, dataLength, appendable);

        return dataLength;
    }

    public String toString()
    {
        if (null == buffer)
        {
            return "";
        }

        final MembershipChangeEventDecoder decoder = new MembershipChangeEventDecoder();
        decoder.wrap(buffer, offset, actingBlockLength, actingVersion);

        return decoder.appendTo(new StringBuilder()).toString();
    }

    public StringBuilder appendTo(final StringBuilder builder)
    {
        if (null == buffer)
        {
            return builder;
        }

        final int originalLimit = limit();
        limit(offset + actingBlockLength);
        builder.append("[MembershipChangeEvent](sbeTemplateId=");
        builder.append(TEMPLATE_ID);
        builder.append("|sbeSchemaId=");
        builder.append(SCHEMA_ID);
        builder.append("|sbeSchemaVersion=");
        if (parentMessage.actingVersion != SCHEMA_VERSION)
        {
            builder.append(parentMessage.actingVersion);
            builder.append('/');
        }
        builder.append(SCHEMA_VERSION);
        builder.append("|sbeBlockLength=");
        if (actingBlockLength != BLOCK_LENGTH)
        {
            builder.append(actingBlockLength);
            builder.append('/');
        }
        builder.append(BLOCK_LENGTH);
        builder.append("):");
        builder.append("leadershipTermId=");
        builder.append(this.leadershipTermId());
        builder.append('|');
        builder.append("logPosition=");
        builder.append(this.logPosition());
        builder.append('|');
        builder.append("timestamp=");
        builder.append(this.timestamp());
        builder.append('|');
        builder.append("leaderMemberId=");
        builder.append(this.leaderMemberId());
        builder.append('|');
        builder.append("clusterSize=");
        builder.append(this.clusterSize());
        builder.append('|');
        builder.append("changeType=");
        builder.append(this.changeType());
        builder.append('|');
        builder.append("memberId=");
        builder.append(this.memberId());
        builder.append('|');
        builder.append("clusterMembers=");
        builder.append('\'');
        getClusterMembers(builder);
        builder.append('\'');

        limit(originalLimit);

        return builder;
    }
    
    public MembershipChangeEventDecoder sbeSkip()
    {
        sbeRewind();
        skipClusterMembers();

        return this;
    }
}