me.zzp.ar.sql.TSqlBuilder Maven / Gradle / Ivy

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package me.zzp.ar.sql;

import java.util.Arrays;
import me.zzp.util.Seq;

/**
 * TSQL构造器。
 * 
 * @since 1.0
 * @author redraiment
 */
public class TSqlBuilder extends AbstractSqlBuilder {
  @Override
  public SqlBuilder insert() {
    return start(Mode.Insert);
  }

  @Override
  public SqlBuilder into(String table) {
    return setTables(table);
  }

  @Override
  public SqlBuilder values(String... columns) {
    return setFields(columns);
  }

  @Override
  public SqlBuilder update(String table) {
    start(Mode.Update);
    return setTables(table);
  }

  @Override
  public SqlBuilder set(String... columns) {
    return setFields(columns);
  }

  @Override
  public SqlBuilder select(String... columns) {
    start(Mode.Select);
    if (columns != null && columns.length > 0) {
      return setFields(columns);
    } else {
      return setFields("*");
    }
  }

  @Override
  public SqlBuilder delete() {
    return start(Mode.Delete);
  }

  @Override
  public SqlBuilder from(String table) {
    return setTables(table);
  }

  @Override
  public SqlBuilder join(String table) {
    return addTable(table);
  }

  @Override
  public SqlBuilder on(String... conditions) {
    String table = tables.removeLast();
    return addTable(table.concat(" on ").concat(Seq.join(Arrays.asList(conditions), "and")));
  }

  @Override
  public SqlBuilder where(String... conditions) {
    return setConditions(conditions);
  }

  @Override
  public SqlBuilder groupBy(String... columns) {
    return setGroups(columns);
  }

  @Override
  public SqlBuilder having(String... conditions) {
    return setHaving(conditions);
  }

  @Override
  public SqlBuilder orderBy(String... columns) {
    return setOrders(columns);
  }

  @Override
  public SqlBuilder limit(int limit) {
    return setLimit(limit);
  }

  @Override
  public SqlBuilder offset(int offset) {
    return setOffset(offset);
  }
}