Quadcap Embeddable Database

com.quadcap.sql.AutoNumberConstraint Class Reference

Inheritance diagram for com.quadcap.sql.AutoNumberConstraint:

List of all members.

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Detailed Description

Constraint class for SQL AUTO_NUMBER constraints.

Author:

Stan Bailes

Definition at line 59 of file AutoNumberConstraint.java.

Public Member Functions
	AutoNumberConstraint ()
	Default constructor.
	AutoNumberConstraint (String name)
	Explicit name constructor.
void	add (Session session) throws SQLException
	When added, I need to number all rows which already exist in the table.
void	delete (Session session) throws SQLException, IOException
	My column is no longer an auto-incrementer.
void	applyInsert (Session session, Row row, long rowId, Constraint activeIndex) throws SQLException, IOException
	Our work is already done.
void	checkDelete (Session session, Row row, long rowId) throws SQLException, IOException
	We don't care about deletes.
void	applyDelete (Session session, Row row, long rowId, Constraint activeIndex) throws SQLException, IOException
	We don't care about deletes.
void	checkInsert (Session session, Row row) throws SQLException, IOException
	If the 'with identity' field is null or not an integer we assign the number before the insert operation and increment our little counter.
void	checkUpdate (Session session, byte[] oldKey, Row row, Row oldRow, long rowId, Constraint activeIndex) throws SQLException, IOException
	We only operate during INSERT, basically.
void	applyUpdate (Session session, byte[] oldKey, Row row, Row oldRow, long rowId, Constraint activeIndex) throws SQLException, IOException
	's cool.
void	readExternal (ObjectInput in) throws IOException, ClassNotFoundException
	Where did I leave off?
void	writeExternal (ObjectOutput out) throws IOException
	Remember where we were.
int	getPriority ()
	Do me first.
Package Attributes
transient AutoNumberStep	step
long	current = -1
Static Package Attributes
Object	stepLock = new Object()

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Constructor & Destructor Documentation

com.quadcap.sql.AutoNumberConstraint.AutoNumberConstraint (   )

Default constructor. Definition at line 69 of file AutoNumberConstraint.java.

com.quadcap.sql.AutoNumberConstraint.AutoNumberConstraint (  String  name  )

Explicit name constructor. Definition at line 74 of file AutoNumberConstraint.java.

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Member Function Documentation

void com.quadcap.sql.AutoNumberConstraint.add (  Session  session  )  throws SQLException [virtual]

When added, I need to number all rows which already exist in the table. Implements com.quadcap.sql.Constraint. Definition at line 82 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.add(), com.quadcap.sql.Constraint.getColumn(), com.quadcap.sql.Column.isAutoIncr, and com.quadcap.sql.Table.isUnderConstruction(). Referenced by com.quadcap.sql.AutoNumberConstraint.add().

void com.quadcap.sql.AutoNumberConstraint.applyDelete (  Session  session, Row  row, long  rowId, Constraint  activeIndex )  throws SQLException, IOException [virtual]

We don't care about deletes. Implements com.quadcap.sql.Constraint. Definition at line 123 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.applyDelete(). Referenced by com.quadcap.sql.AutoNumberConstraint.applyDelete().

void com.quadcap.sql.AutoNumberConstraint.applyInsert (  Session  session, Row  row, long  rowId, Constraint  activeIndex )  throws SQLException, IOException [virtual]

Our work is already done. (We gave out the number in checkInsert()) Implements com.quadcap.sql.Constraint. Definition at line 106 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.applyInsert(). Referenced by com.quadcap.sql.AutoNumberConstraint.applyInsert().

void com.quadcap.sql.AutoNumberConstraint.applyUpdate (  Session  session, byte[]  oldKey, Row  row, Row  oldRow, long  rowId, Constraint  activeIndex )  throws SQLException, IOException [virtual]

's cool. Implements com.quadcap.sql.Constraint. Definition at line 203 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.applyUpdate(). Referenced by com.quadcap.sql.AutoNumberConstraint.applyUpdate().

void com.quadcap.sql.AutoNumberConstraint.checkDelete (  Session  session, Row  row, long  rowId )  throws SQLException, IOException [virtual]

We don't care about deletes. Implements com.quadcap.sql.Constraint. Definition at line 115 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.checkDelete(). Referenced by com.quadcap.sql.AutoNumberConstraint.checkDelete().

void com.quadcap.sql.AutoNumberConstraint.checkInsert (  Session  session, Row  row )  throws SQLException, IOException [virtual]

If the 'with identity' field is null or not an integer we assign the number before the insert operation and increment our little counter. Implements com.quadcap.sql.Constraint. Definition at line 136 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.checkInsert(), com.quadcap.sql.types.Value.convert(), com.quadcap.sql.AutoNumberConstraint.current, com.quadcap.sql.Column.getColumn(), com.quadcap.sql.Constraint.getColumn(), com.quadcap.sql.TupleImpl.getName(), com.quadcap.sql.Database.getTableIdentity(), com.quadcap.sql.types.ValueLong.longValue(), com.quadcap.sql.AutoNumberStep.setCurrentId(), com.quadcap.sql.AutoNumberConstraint.step, and com.quadcap.sql.AutoNumberConstraint.stepLock. Referenced by com.quadcap.sql.AutoNumberConstraint.checkInsert().

void com.quadcap.sql.AutoNumberConstraint.checkUpdate (  Session  session, byte[]  oldKey, Row  row, Row  oldRow, long  rowId, Constraint  activeIndex )  throws SQLException, IOException [virtual]

We only operate during INSERT, basically. Implements com.quadcap.sql.Constraint. Definition at line 194 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.checkUpdate(). Referenced by com.quadcap.sql.AutoNumberConstraint.checkUpdate().

void com.quadcap.sql.AutoNumberConstraint.delete (  Session  session  )  throws SQLException, IOException [virtual]

My column is no longer an auto-incrementer. Implements com.quadcap.sql.Constraint. Definition at line 97 of file AutoNumberConstraint.java. References com.quadcap.sql.Constraint.getColumn(), and com.quadcap.sql.Column.isAutoIncr.

int com.quadcap.sql.AutoNumberConstraint.getPriority (   )

Do me first. Reimplemented from com.quadcap.sql.Constraint. Definition at line 230 of file AutoNumberConstraint.java.

void com.quadcap.sql.AutoNumberConstraint.readExternal (  ObjectInput  in  )  throws IOException, ClassNotFoundException

Where did I leave off? Reimplemented from com.quadcap.sql.Constraint. Definition at line 212 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.current, and com.quadcap.sql.AutoNumberConstraint.readExternal(). Referenced by com.quadcap.sql.AutoNumberConstraint.readExternal().

void com.quadcap.sql.AutoNumberConstraint.writeExternal (  ObjectOutput  out  )  throws IOException

Remember where we were. Reimplemented from com.quadcap.sql.Constraint. Definition at line 222 of file AutoNumberConstraint.java. References com.quadcap.sql.AutoNumberConstraint.current, and com.quadcap.sql.AutoNumberConstraint.writeExternal(). Referenced by com.quadcap.sql.AutoNumberConstraint.writeExternal().

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Member Data Documentation

long com.quadcap.sql.AutoNumberConstraint.current = -1 [package]

Definition at line 64 of file AutoNumberConstraint.java. Referenced by com.quadcap.sql.AutoNumberConstraint.checkInsert(), com.quadcap.sql.AutoNumberConstraint.readExternal(), and com.quadcap.sql.AutoNumberConstraint.writeExternal().

transient AutoNumberStep com.quadcap.sql.AutoNumberConstraint.step [package]

Definition at line 62 of file AutoNumberConstraint.java. Referenced by com.quadcap.sql.AutoNumberConstraint.checkInsert().

Object com.quadcap.sql.AutoNumberConstraint.stepLock = new Object() [static, package]

Definition at line 129 of file AutoNumberConstraint.java. Referenced by com.quadcap.sql.AutoNumberConstraint.checkInsert().