/*
 *  Copyright 2004 Clinton Begin
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements;

import com.ibatis.sqlmap.engine.mapping.sql.SqlChild;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class SqlTag implements SqlChild, DynamicParent {

  private String name;
  private SqlTagHandler handler;
    
  // general attributes
  private String prependAttr;
  private String propertyAttr;
  private String removeFirstPrepend;

  // conditional attributes
  private String comparePropertyAttr;
  private String compareValueAttr;

  // iterate attributes
  private String openAttr;
  private String closeAttr;
  private String conjunctionAttr;

  private SqlTag parent;
  private List children = new ArrayList();

  private boolean postParseRequired = false;
  
  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  public SqlTagHandler getHandler() {
    return handler;
  }

  public void setHandler(SqlTagHandler handler) {
    this.handler = handler;
  }

  public boolean isPrependAvailable() {
    return prependAttr != null && prependAttr.length() > 0;
  }
  
  public boolean isCloseAvailable() {
    return closeAttr != null && closeAttr.length() > 0;
  }
  
  public boolean isOpenAvailable() {
    return openAttr != null && openAttr.length() > 0;
  }
  
  public boolean isConjunctionAvailable() {
    return conjunctionAttr != null && conjunctionAttr.length() > 0;
  }
  
  public String getPrependAttr() {
    return prependAttr;
  }

  public void setPrependAttr(String prependAttr) {
    this.prependAttr = prependAttr;
  }

  public String getPropertyAttr() {
    return propertyAttr;
  }

  public void setPropertyAttr(String propertyAttr) {
    this.propertyAttr = propertyAttr;
  }

  public String getComparePropertyAttr() {
    return comparePropertyAttr;
  }

  public void setComparePropertyAttr(String comparePropertyAttr) {
    this.comparePropertyAttr = comparePropertyAttr;
  }

  public String getCompareValueAttr() {
    return compareValueAttr;
  }

  public void setCompareValueAttr(String compareValueAttr) {
    this.compareValueAttr = compareValueAttr;
  }

  public String getOpenAttr() {
    return openAttr;
  }

  public void setOpenAttr(String openAttr) {
    this.openAttr = openAttr;
  }

  public String getCloseAttr() {
    return closeAttr;
  }

  public void setCloseAttr(String closeAttr) {
    this.closeAttr = closeAttr;
  }

  public String getConjunctionAttr() {
    return conjunctionAttr;
  }

  public void setConjunctionAttr(String conjunctionAttr) {
    this.conjunctionAttr = conjunctionAttr;
  }


  public void addChild(SqlChild child) {
    if (child instanceof SqlTag) {
      ((SqlTag) child).parent = this;
    }
    children.add(child);
  }

  public Iterator getChildren() {
    return children.iterator();
  }

  public SqlTag getParent() {
    return parent;
  }

  public String getRemoveFirstPrepend() {
    return removeFirstPrepend;
  }
  
  public void setRemoveFirstPrepend(String removeFirstPrepend) {
    this.removeFirstPrepend = removeFirstPrepend;
  }

  /**
   * @return Returns the postParseRequired.
   */
  public boolean isPostParseRequired() {
    return postParseRequired;
  }
  
  /**
   * @param iterateAncestor The postParseRequired to set.
   */
  public void setPostParseRequired(boolean iterateAncestor) {
    this.postParseRequired = iterateAncestor;
  }
}