Package com.mckoi.database.interpret

Class ColumnDef

  • All Implemented Interfaces:
    StatementTreeObject, java.io.Serializable, java.lang.Cloneable
    public final class ColumnDef
extends java.lang.Object
implements java.io.Serializable, StatementTreeObject, java.lang.Cloneable
    Represents a column definition (description).
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      ColumnDef()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addConstraint​(java.lang.String constraint)
      Adds a constraint to this column.
      java.lang.Object clone()
      Performs a DEEP clone of this object if it is mutable, or a deep clone of its mutable members.
      boolean isNotNull()
      Returns true if this column has the not null constraint set for it.
      boolean isPrimaryKey()
      Returns true if this column has a primary key constraint set on it.
      boolean isUnique()
      Returns true if this column has the unique constraint set for it.
      void prepareExpressions​(ExpressionPreparer preparer)
      Prepares all expressions in this statement tree object by passing the ExpressionPreparer object to the 'prepare' method of the expression.
      void setDataType​(TType type)
      Sets the type of data of this column.
      void setDefaultExpression​(Expression exp)
      Sets the default expression (this is used to make a new constraint).
      void setIndex​(Token t)
      Sets the indexing.
      void setName​(java.lang.String name)
      Sets the name of the column.

      • Methods inherited from class java.lang.Object

        equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • name

        java.lang.String name

      • index_str

        java.lang.String index_str

      • default_expression

        Expression default_expression

      • original_default_expression

        Expression original_default_expression

      • not_null

        private boolean not_null

      • primary_key

        private boolean primary_key

      • unique

        private boolean unique

    • Constructor Detail

      • ColumnDef

        public ColumnDef()

    • Method Detail

      • isPrimaryKey

        public boolean isPrimaryKey()
        Returns true if this column has a primary key constraint set on it.

      • isUnique

        public boolean isUnique()
        Returns true if this column has the unique constraint set for it.

      • isNotNull

        public boolean isNotNull()
        Returns true if this column has the not null constraint set for it.

      • setName

        public void setName​(java.lang.String name)
        Sets the name of the column.

      • addConstraint

        public void addConstraint​(java.lang.String constraint)
        Adds a constraint to this column.

      • setDataType

        public void setDataType​(TType type)
        Sets the type of data of this column.

      • setDefaultExpression

        public void setDefaultExpression​(Expression exp)
        Sets the default expression (this is used to make a new constraint).

      • clone

        public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
        Description copied from interface: StatementTreeObject
        Performs a DEEP clone of this object if it is mutable, or a deep clone of its mutable members. If the object is immutable then it may return 'this'.
        Specified by:
        clone in interface StatementTreeObject
        Overrides:
        clone in class java.lang.Object
        Throws:
        java.lang.CloneNotSupportedException