Package com.mckoi.database.interpret
Class ColumnDef
- java.lang.Object
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- com.mckoi.database.interpret.ColumnDef
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- 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).- Author:
- Tobias Downer
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description ColumnDef()
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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.
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Method Detail
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isPrimaryKey
public boolean isPrimaryKey()
Returns true if this column has a primary key constraint set on it.
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isUnique
public boolean isUnique()
Returns true if this column has the unique constraint set for it.
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isNotNull
public boolean isNotNull()
Returns true if this column has the not null constraint set for it.
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setName
public void setName(java.lang.String name)
Sets the name of the column.
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addConstraint
public void addConstraint(java.lang.String constraint)
Adds a constraint to this column.
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setDataType
public void setDataType(TType type)
Sets the type of data of this column.
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setIndex
public void setIndex(Token t) throws ParseException
Sets the indexing.- Throws:
ParseException
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setDefaultExpression
public void setDefaultExpression(Expression exp)
Sets the default expression (this is used to make a new constraint).
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prepareExpressions
public void prepareExpressions(ExpressionPreparer preparer) throws DatabaseException
Description copied from interface:StatementTreeObject
Prepares all expressions in this statement tree object by passing the ExpressionPreparer object to the 'prepare' method of the expression.- Specified by:
prepareExpressions
in interfaceStatementTreeObject
- Throws:
DatabaseException
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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 interfaceStatementTreeObject
- Overrides:
clone
in classjava.lang.Object
- Throws:
java.lang.CloneNotSupportedException
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