FieldsSchema builder

FieldsSchema

/**
 * @author Mihail Lesikov ([email protected])
 */
public class FieldsSchema {

  public static Builder aNewFieldSchema() {
    return new Builder();
  }

  public static class Builder {

    private ImmutableMap.Builder<String, String> fields = ImmutableMap.<String, String>builder();

    public FieldsSchema build() {
      FieldsSchema object = new FieldsSchema();
      object.fields = this.fields.build();
      return object;
    }

    public Builder string(String key) {
      fields.put(key, "string");
      return this;
    }

    public Builder integer(String key) {
      fields.put(key, "integer");
      return this;
    }

    public Builder doubleValue(String key) {
      fields.put(key, "float");
      return this;
    }

    public Builder timestamp(String key) {
      fields.put(key, "timestamp");
      return this;
    }
  }
  private ImmutableMap<String, String> fields;


  public FieldsSchema() {
  }

  public Map<String, String> getFields() {
    return fields;
  }

  public boolean isEmpty() {
    return fields.isEmpty();
  }
}