Package org.castor.cpa.persistence.sql.query

Class Update

  • All Implemented Interfaces:
    QueryObject
    public final class Update
extends java.lang.Object
implements QueryObject
    Class to generate SQL update query statements.
    Note: Be aware that the SQL statement will be invalid without any assignment of for empty compound conditions.
    Version:
    $Revision$ $Date: 2009-07-13 17:22:43 (Mon, 13 Jul 2009) $
    Author:
    Ahmad Hassan, Ralf Joachim, Dennis Butterstein

    • Constructor Summary

      Constructors 
      Constructor Description
      Update​(java.lang.String name)
      Construct a SQL update statement that updates records of the table provided.

    • Constructor Detail

      • Update

        public Update​(java.lang.String name)
        Construct a SQL update statement that updates records of the table provided.
        Parameters:
        name - Name of the table in update statement.

    • Method Detail

      • addAssignment

        public void addAssignment​(Assignment assignment)
        Appends given assignment to the list of Assignment objects.
        Parameters:
        assignment - Assignment object added to the list of assignments that will be appended to SET clause of sql statement.

      • addAssignment

        public void addAssignment​(Column column,
                          Expression value)
        Appends an assignment of the given value to the given column.
        Parameters:
        column - Column to assign the value to.
        value - Expression to be assigned to the column.

      • getCondition

        public Condition getCondition()
        Get condition that specifies which records to update.
        Returns:
        Condition that specifies which records to update.

      • setCondition

        public void setCondition​(Condition condition)
        Set condition that specifies which records to update.
        Parameters:
        condition - Condition that specifies which records to update.

      • getQualifier

        public Qualifier getQualifier()
        Get method returning qualifier currently set.
        Returns:
        Qualifier of the table to update records of.

      • getAssignment

        public java.util.List<Assignment> getAssignment()
        Get method returning current list of assignments.
        Returns:
        List of assignments.

      • accept

        public void accept​(Visitor visitor)
        Accept method to handle incoming visitors.
        Specified by:
        accept in interface QueryObject
        Parameters:
        visitor - Visitor to be handled.

      • toString

        public java.lang.String toString()
        Method constructing query string.
        Overrides:
        toString in class java.lang.Object
        Returns:
        Constructed query string.