Java SelectVisitor类代码示例

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
/**
 * Adds an expression to select statements. E.g. a simple column is an
 * expression.
 *
 * @param select
 * @param expr
 */
public static void addExpression(Select select, final Expression expr) {
	select.getSelectBody().accept(new SelectVisitor() {

		@Override
		public void visit(PlainSelect plainSelect) {
			plainSelect.getSelectItems().add(new SelectExpressionItem(expr));
		}

		@Override
		public void visit(SetOperationList setOpList) {
			throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
		}

		@Override
		public void visit(WithItem withItem) {
			throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
		}
	});
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
/**
   * Adds group by to a plain select statement.
   * @param select
   * @param expr 
   */
  public static void addGroupBy(Select select, final Expression expr) {
      select.getSelectBody().accept(new SelectVisitor() {

	@Override
	public void visit(PlainSelect plainSelect) {
              plainSelect.addGroupByColumnReference(expr);
	}

	@Override
	public void visit(SetOperationList setOpList) {
		throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
	}

	@Override
	public void visit(WithItem withItem) {
		throw new UnsupportedOperationException(NOT_SUPPORTED_YET);
	}
});
  }
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
@Override
public void visit(Select select) {
    select.getSelectBody().accept(new SelectVisitor() {
        @Override
        public void visit(PlainSelect plainSelect) {
            commandBuilder.buildSelect(plainSelect);
        }

        @Override
        public void visit(SetOperationList setOperationList) {
        }
    });
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
public SelectVisitor getSelectVisitor() {
    return selectVisitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
public void setSelectVisitor(SelectVisitor selectVisitor) {
    this.selectVisitor = selectVisitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
public SelectVisitor getSelectVisitor() {
	return selectVisitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
public void setSelectVisitor(SelectVisitor visitor) {
	selectVisitor = visitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
public void setSelectVisitor(SelectVisitor visitor) {
    selectVisitor = visitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
public CreateViewDeParser(StringBuilder buffer, SelectVisitor selectVisitor) {
	this.buffer = buffer;
       this.selectVisitor = selectVisitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
public AlterViewDeParser(StringBuilder buffer, SelectVisitor selectVisitor) {
	this.buffer = buffer;
       this.selectVisitor = selectVisitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
public PreparedExpressionConverter(SelectVisitor selectVisitor, StringBuilder buffer, ConverterContext context) {
    super(selectVisitor, buffer);
    this.context = context;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
/**
 * @param expressionVisitor a {@link ExpressionVisitor} to de-parse
 * expressions. It has to share the same<br>
 * StringBuilder (buffer parameter) as this object in order to work
 * @param selectVisitor a {@link SelectVisitor} to de-parse
 * {@link net.sf.jsqlparser.statement.select.Select}s. It has to share the
 * same<br>
 * StringBuilder (buffer parameter) as this object in order to work
 * @param buffer the buffer that will be filled with the select
 */
public UpdateDeParser(ExpressionVisitor expressionVisitor, SelectVisitor selectVisitor, StringBuilder buffer) {
    this.buffer = buffer;
    this.expressionVisitor = expressionVisitor;
    this.selectVisitor = selectVisitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
/**
 * @param expressionVisitor a {@link ExpressionVisitor} to de-parse
 * expressions. It has to share the same<br>
 * StringBuilder (buffer parameter) as this object in order to work
 * @param selectVisitor a {@link SelectVisitor} to de-parse
 * {@link net.sf.jsqlparser.statement.select.Select}s. It has to share the
 * same<br>
 * StringBuilder (buffer parameter) as this object in order to work
 * @param buffer the buffer that will be filled with the select
 */
public ReplaceDeParser(ExpressionVisitor expressionVisitor, SelectVisitor selectVisitor, StringBuilder buffer) {
	this.buffer = buffer;
	this.expressionVisitor = expressionVisitor;
	this.selectVisitor = selectVisitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
/**
 * @param expressionVisitor a {@link ExpressionVisitor} to de-parse
 * {@link net.sf.jsqlparser.expression.Expression}s. It has to share the
 * same<br>
 * StringBuilder (buffer parameter) as this object in order to work
 * @param selectVisitor a {@link SelectVisitor} to de-parse
 * {@link net.sf.jsqlparser.statement.select.Select}s. It has to share the
 * same<br>
 * StringBuilder (buffer parameter) as this object in order to work
 * @param buffer the buffer that will be filled with the insert
 */
public InsertDeParser(ExpressionVisitor expressionVisitor, SelectVisitor selectVisitor, StringBuilder buffer) {
    this.buffer = buffer;
    this.expressionVisitor = expressionVisitor;
    this.selectVisitor = selectVisitor;
}
 

import net.sf.jsqlparser.statement.select.SelectVisitor; //导入依赖的package包/类
/**
 * @param selectVisitor a SelectVisitor to de-parse SubSelects. It has to
 * share the same<br> StringBuilder as this object in order to work, as:
 *
 * <pre>
 * <code>
 * StringBuilder myBuf = new StringBuilder();
 * MySelectDeparser selectDeparser = new  MySelectDeparser();
 * selectDeparser.setBuffer(myBuf);
 * ExpressionDeParser expressionDeParser = new ExpressionDeParser(selectDeparser, myBuf);
 * </code>
 * </pre>
 *
 * @param buffer the buffer that will be filled with the expression
 */
public ExpressionDeParser(SelectVisitor selectVisitor, StringBuilder buffer) {
    this.selectVisitor = selectVisitor;
    this.buffer = buffer;
}