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/**
 * Copyright (c) 2013, impossibl.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *  * Neither the name of impossibl.com nor the names of its contributors may
 *    be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package com.impossibl.postgres.protocol;

import com.impossibl.postgres.types.Type;

public class ResultField {

  public enum Format {
    Text,
    Binary
  }

  public String name;
  public int relationId;
  public short relationAttributeNumber;
  public TypeRef typeRef;
  public short typeLength;
  public int typeModifier;
  public Format format;

  public ResultField(String name, int relationId, short relationAttributeIndex, Type type, short typeLength, int typeModifier, Format format) {
    super();
    this.name = name;
    this.relationId = relationId;
    this.relationAttributeNumber = relationAttributeIndex;
    this.typeRef = TypeRef.from(type);
    this.typeLength = typeLength;
    this.typeModifier = typeModifier;
    this.format = format;
  }

  public ResultField(String name, int relationId, short relationAttributeIndex, TypeRef typeRef, short typeLength, int typeModifier, Format format) {
    super();
    this.name = name;
    this.relationId = relationId;
    this.relationAttributeNumber = relationAttributeIndex;
    this.typeRef = typeRef;
    this.typeLength = typeLength;
    this.typeModifier = typeModifier;
    this.format = format;
  }

  public ResultField() {
  }

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append(name);
    if (relationId != 0) {
      sb.append(String.format(" (%s:%d)", relationId, relationAttributeNumber));
    }
    sb.append(" : ");
    sb.append(typeRef != null ? typeRef.toString() : "");
    return sb.toString();
  }

}