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package com.scalar.db.sql.statement;

import java.util.Objects;
import javax.annotation.concurrent.Immutable;

@Immutable
public class ResumeStatement implements CommandStatement {

  public final String transactionId;

  private ResumeStatement(String transactionId) {
    this.transactionId = Objects.requireNonNull(transactionId);
  }

  @Override
  public String toSql() {
    StringBuilder builder = new StringBuilder("RESUME ");
    StatementUtils.appendStringLiteral(builder, transactionId);
    return builder.toString();
  }

  @Override
  public  R accept(CommandStatementVisitor visitor, C context) {
    return visitor.visit(this, context);
  }

  @Override
  public  R accept(StatementVisitor visitor, C context) {
    return visitor.visit(this, context);
  }

  @Override
  public String toString() {
    return toSql();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (!(o instanceof ResumeStatement)) {
      return false;
    }
    ResumeStatement that = (ResumeStatement) o;
    return Objects.equals(transactionId, that.transactionId);
  }

  @Override
  public int hashCode() {
    return Objects.hash(transactionId);
  }

  public static ResumeStatement create(String transactionId) {
    return new ResumeStatement(transactionId);
  }
}