fr.lirmm.graphik.graal.store.rdbms.rule_applier

Class SQLRuleApplier

java.lang.Object

fr.lirmm.graphik.graal.store.rdbms.rule_applier.SQLRuleApplier

All Implemented Interfaces:

DirectRuleApplier<Rule,RdbmsStore>

public class SQLRuleApplier
extends Object
implements DirectRuleApplier<Rule,RdbmsStore>

SQLRuleApplier transform rules into INSERT ... SELECT SQL statement when it is possible. If not, it call the apply method of the specified RuleApplier.

Author:

Clément Sipieter (INRIA) <clement@6pi.fr>

Constructor Summary

Constructors

Constructor and Description
SQLRuleApplier(DirectRuleApplier<Rule,? super RdbmsStore> ruleApplierFallback) Construct a SQLRuleApplier with the specified rule applier as fallback.
SQLRuleApplier(Homomorphism<ConjunctiveQuery,? super RdbmsStore> homomorphismSolver) Construct a SQLRuleApplier with a DefaultRuleApplier as fallback.

Method Summary

Modifier and Type	Method and Description
boolean	apply(Rule rule, RdbmsStore store) Apply the given Rule over the given AtomSet, the new atoms are directly added into the AtomSet.

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLRuleApplier

public SQLRuleApplier(Homomorphism<ConjunctiveQuery,? super RdbmsStore> homomorphismSolver)

Construct a SQLRuleApplier with a DefaultRuleApplier as fallback.

SQLRuleApplier

public SQLRuleApplier(DirectRuleApplier<Rule,? super RdbmsStore> ruleApplierFallback)

Construct a SQLRuleApplier with the specified rule applier as fallback.

Parameters:

ruleApplierFallback -

Method Detail

apply

public boolean apply(Rule rule,
                     RdbmsStore store)
              throws RuleApplicationException

Description copied from interface: DirectRuleApplier

Apply the given Rule over the given AtomSet, the new atoms are directly added into the AtomSet.

Specified by:

apply in interface DirectRuleApplier<Rule,RdbmsStore>

Returns:

true iff the atom-set has been modified.

Throws:

RuleApplicationException