package water.parser;

import water.Iced;

/**
 * A lightweight handle with basic information about parser.
 */
public class ParserInfo extends Iced<ParserInfo> {
  /** Name of parser */
  final String name;
  /** Priority of the parser which is used by guesser */
  final int prior;
  /** Does this parser support parallel parse. */
  final boolean isParallelParseSupported;
  /** Does this parser support stream parse. */
  final boolean isStreamParseSupported;
  /** Does this parser need post update of vector categoricals. */
  final boolean isDomainProvided;


  public ParserInfo(String name, int prior, boolean isParallelParseSupported, boolean isStreamParseSupported,
                    boolean isDomainProvided) {
    this.name = name;
    this.prior = prior;
    this.isParallelParseSupported = isParallelParseSupported;
    this.isStreamParseSupported = isStreamParseSupported;
    this.isDomainProvided = isDomainProvided;
  }
  public ParserInfo(String name, int prior, boolean isParallelParseSupported, boolean isDomainProvided) {
    this(name, prior, isParallelParseSupported, true, isDomainProvided);
  }
  public ParserInfo(String name, int prior, boolean isParallelParseSupported) {
    this(name, prior, isParallelParseSupported, false);
  }

  /** Get name for this parser */
  public String name() {
    return name;
  }

  /** Get order priority for this parser. */
  public int priority() {
    return prior;
  }

  /** Does the parser support parallel parse? */
  public boolean isParallelParseSupported() {
    return isParallelParseSupported;
  }

  /** Does the parser support stream parse? */
  public boolean isStreamParseSupported() {
    return isStreamParseSupported;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    ParserInfo that = (ParserInfo) o;
    return name.equals(that.name);
  }

  @Override
  public int hashCode() {
    return name.hashCode();
  }

  @Override
  public String toString() {
    return "ParserInfo{" +
           "name='" + name + '\'' +
           ", prior=" + prior +
           ", isParallelParseSupported=" + isParallelParseSupported +
           '}';
  }
}