org.openrdf.sail.rdbms.schema
Class IdSequence

java.lang.Object
  org.openrdf.sail.rdbms.schema.IdSequence

Direct Known Subclasses:

IntegerIdSequence, LongIdSequence

public abstract class IdSequence
extends Object

Author:

James Leigh

Constructor Summary

IdSequence()

Method Summary

int	code(Literal value)
HashTable	getHashTable()
abstract int	getJdbcIdType()
int	getMod()
abstract int	getShift()
abstract String	getSqlType()
protected long	hash(MessageDigest digest, String str)
protected long	hashLiteralType(MessageDigest digest, Value value)
long	hashOf(Value value)
abstract Number	idOf(Number number)
Number	idOf(Value value)
abstract void	init()
boolean	isLiteral(Number id)
boolean	isLong(Number id)
boolean	isURI(Number id)
abstract Number	maxId(ValueType type)
abstract Number	minId(ValueType type)
abstract Number	nextId(Value value)
void	setHashTable(HashTable table)
protected abstract int	shift(Number id)
protected ValueType	valueOf(Literal lit)
ValueType	valueOf(Number id)
protected ValueType	valueOf(Value value)

Methods inherited from class java.lang.Object

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

Constructor Detail

IdSequence

public IdSequence()

Method Detail

getMod

public int getMod()

getShift

public abstract int getShift()

getJdbcIdType

public abstract int getJdbcIdType()

getSqlType

public abstract String getSqlType()

getHashTable

public HashTable getHashTable()

setHashTable

public void setHashTable(HashTable table)

init

public abstract void init()
                   throws SQLException

Throws:

SQLException

maxId

public abstract Number maxId(ValueType type)

minId

public abstract Number minId(ValueType type)

code

public int code(Literal value)

hashOf

public long hashOf(Value value)

nextId

public abstract Number nextId(Value value)

isLiteral

public boolean isLiteral(Number id)

isLong

public boolean isLong(Number id)

isURI

public boolean isURI(Number id)

idOf

public Number idOf(Value value)

idOf

public abstract Number idOf(Number number)

valueOf

public ValueType valueOf(Number id)

shift

protected abstract int shift(Number id)

hash

protected long hash(MessageDigest digest,
                    String str)

hashLiteralType

protected long hashLiteralType(MessageDigest digest,
                               Value value)

valueOf

protected ValueType valueOf(Literal lit)

valueOf

protected ValueType valueOf(Value value)