/*
 * Copyright (C) 2017-2017 DataStax Inc.
 *
 * Licensed 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 com.datastax.oss.protocol.internal;

import com.datastax.oss.protocol.internal.request.Execute;
import com.datastax.oss.protocol.internal.request.Query;
import java.nio.ByteBuffer;

public class ProtocolConstants {

  
The unique instance that represents an unset value in Query and Execute messages. 
This is tested with reference equality, so clients MUST use this instance (no other instance
will work, even if it's equal to this one).
/**
   * The unique instance that represents an unset value in {@link Query} and {@link Execute}
   * messages.
   *
   * <p>This is tested with reference equality, so clients MUST use this instance (no other instance
   * will work, even if it's equal to this one).
   */
  public static final ByteBuffer UNSET_VALUE = ByteBuffer.allocate(0);

  public static class Version {
    public static final int V3 = 3;
    public static final int V4 = 4;
    public static final int V5 = 5;
    public static final int MIN = V3;
    public static final int MAX = V4;
    
If no beta version is currently supported, this will be negative. /** If no beta version is currently supported, this will be negative. */
    public static final int BETA = V5;
  }

  public static class Opcode {
    public static final int ERROR = 0x00;
    public static final int STARTUP = 0x01;
    public static final int READY = 0x02;
    public static final int AUTHENTICATE = 0x03;
    public static final int OPTIONS = 0x05;
    public static final int SUPPORTED = 0x06;
    public static final int QUERY = 0x07;
    public static final int RESULT = 0x08;
    public static final int PREPARE = 0x09;
    public static final int EXECUTE = 0x0A;
    public static final int REGISTER = 0x0B;
    public static final int EVENT = 0x0C;
    public static final int BATCH = 0x0D;
    public static final int AUTH_CHALLENGE = 0x0E;
    public static final int AUTH_RESPONSE = 0x0F;
    public static final int AUTH_SUCCESS = 0x10;
  }

  public static class ResultKind {
    public static final int VOID = 0x0001;
    public static final int ROWS = 0x0002;
    public static final int SET_KEYSPACE = 0x0003;
    public static final int PREPARED = 0x0004;
    public static final int SCHEMA_CHANGE = 0x0005;
  }

  public static class ErrorCode {
    public static final int SERVER_ERROR = 0x0000;
    public static final int PROTOCOL_ERROR = 0x000A;
    public static final int AUTH_ERROR = 0x0100;
    public static final int UNAVAILABLE = 0x1000;
    public static final int OVERLOADED = 0x1001;
    public static final int IS_BOOTSTRAPPING = 0x1002;
    public static final int TRUNCATE_ERROR = 0x1003;
    public static final int WRITE_TIMEOUT = 0x1100;
    public static final int READ_TIMEOUT = 0x1200;
    public static final int READ_FAILURE = 0x1300;
    public static final int FUNCTION_FAILURE = 0x1400;
    public static final int WRITE_FAILURE = 0x1500;
    public static final int SYNTAX_ERROR = 0x2000;
    public static final int UNAUTHORIZED = 0x2100;
    public static final int INVALID = 0x2200;
    public static final int CONFIG_ERROR = 0x2300;
    public static final int ALREADY_EXISTS = 0x2400;
    public static final int UNPREPARED = 0x2500;
  }

  public static class ConsistencyLevel {
    public static final int ANY = 0x0000;
    public static final int ONE = 0x0001;
    public static final int TWO = 0x0002;
    public static final int THREE = 0x0003;
    public static final int QUORUM = 0x0004;
    public static final int ALL = 0x0005;
    public static final int LOCAL_QUORUM = 0x0006;
    public static final int EACH_QUORUM = 0x0007;
    public static final int SERIAL = 0x0008;
    public static final int LOCAL_SERIAL = 0x0009;
    public static final int LOCAL_ONE = 0x000A;
  }

  public static class WriteType {
    public static final String SIMPLE = "SIMPLE";
    public static final String BATCH = "BATCH";
    public static final String UNLOGGED_BATCH = "UNLOGGED_BATCH";
    public static final String COUNTER = "COUNTER";
    public static final String BATCH_LOG = "BATCH_LOG";
    public static final String VIEW = "VIEW";
    public static final String CDC = "CDC";
  }

  public static class DataType {
    public static final int CUSTOM = 0x0000;
    public static final int ASCII = 0x0001;
    public static final int BIGINT = 0x0002;
    public static final int BLOB = 0x0003;
    public static final int BOOLEAN = 0x0004;
    public static final int COUNTER = 0x0005;
    public static final int DECIMAL = 0x0006;
    public static final int DOUBLE = 0x0007;
    public static final int FLOAT = 0x0008;
    public static final int INT = 0x0009;
    public static final int TIMESTAMP = 0x000B;
    public static final int UUID = 0x000C;
    public static final int VARCHAR = 0x000D;
    public static final int VARINT = 0x000E;
    public static final int TIMEUUID = 0x000F;
    public static final int INET = 0x0010;
    public static final int DATE = 0x0011;
    public static final int TIME = 0x0012;
    public static final int SMALLINT = 0x0013;
    public static final int TINYINT = 0x0014;
    public static final int DURATION = 0x0015; // v5+
    public static final int LIST = 0x0020;
    public static final int MAP = 0x0021;
    public static final int SET = 0x0022;
    public static final int UDT = 0x0030;
    public static final int TUPLE = 0x0031;
  }

  public static class EventType {
    public static final String TOPOLOGY_CHANGE = "TOPOLOGY_CHANGE";
    public static final String STATUS_CHANGE = "STATUS_CHANGE";
    public static final String SCHEMA_CHANGE = "SCHEMA_CHANGE";
  }

  public static class SchemaChangeType {
    public static final String CREATED = "CREATED";
    public static final String UPDATED = "UPDATED";
    public static final String DROPPED = "DROPPED";
  }

  public static class SchemaChangeTarget {
    public static final String KEYSPACE = "KEYSPACE";
    public static final String TABLE = "TABLE";
    public static final String TYPE = "TYPE";
    public static final String FUNCTION = "FUNCTION";
    public static final String AGGREGATE = "AGGREGATE";
  }

  public static class TopologyChangeType {
    public static final String NEW_NODE = "NEW_NODE";
    public static final String REMOVED_NODE = "REMOVED_NODE";
  }

  public static class StatusChangeType {
    public static final String UP = "UP";
    public static final String DOWN = "DOWN";
  }

  public static class BatchType {
    public static final byte LOGGED = 0x00;
    public static final byte UNLOGGED = 0x01;
    public static final byte COUNTER = 0x02;
  }

  public static class FrameFlag {
    public static final int COMPRESSED = 0x01;
    public static final int TRACING = 0x02;
    public static final int CUSTOM_PAYLOAD = 0x04;
    public static final int WARNING = 0x08;
    public static final int USE_BETA = 0x10;
  }

  public static final class QueryFlag {
    public static final int VALUES = 0x00000001;
    public static final int SKIP_METADATA = 0x00000002;
    public static final int PAGE_SIZE = 0x00000004;
    public static final int PAGING_STATE = 0x00000008;
    public static final int SERIAL_CONSISTENCY = 0x00000010;
    public static final int DEFAULT_TIMESTAMP = 0x00000020;
    public static final int VALUE_NAMES = 0x00000040;
    public static final int WITH_KEYSPACE = 0x00000080;
  }

  public static final class RowsFlag {
    public static final int GLOBAL_TABLES_SPEC = 0x00000001;
    public static final int HAS_MORE_PAGES = 0x00000002;
    public static final int NO_METADATA = 0x00000004;
    public static final int METADATA_CHANGED = 0x00000008;
  }
}