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OwlapiConnection.java
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OwlapiConnection.java
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/**
* Copyright (C) 2016 Czech Technical University in Prague
* <p>
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
* <p>
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.ontodriver.owlapi;
import cz.cvut.kbss.ontodriver.*;
import cz.cvut.kbss.ontodriver.descriptor.AxiomDescriptor;
import cz.cvut.kbss.ontodriver.descriptor.AxiomValueDescriptor;
import cz.cvut.kbss.ontodriver.exception.OntoDriverException;
import cz.cvut.kbss.ontodriver.model.Axiom;
import cz.cvut.kbss.ontodriver.owlapi.exception.OwlapiDriverException;
import cz.cvut.kbss.ontodriver.owlapi.list.OwlapiLists;
import java.net.URI;
import java.util.Collection;
import java.util.List;
import java.util.Objects;
import static cz.cvut.kbss.ontodriver.util.ErrorUtils.getNPXMessageSupplier;
/**
* Default implementation of the {@link Connection} interface for OWLAPI driver.
*/
public class OwlapiConnection implements Connection {
private boolean open;
private boolean autoCommit;
private final OwlapiAdapter adapter;
private OwlapiTypes types;
private OwlapiProperties properties;
private OwlapiLists lists;
private ConnectionListener listener;
OwlapiConnection(OwlapiAdapter adapter) {
this.adapter = adapter;
this.open = true;
this.autoCommit = false;
}
void setListener(ConnectionListener listener) {
ensureOpen();
assert listener != null;
this.listener = listener;
}
void removeListener() {
this.listener = null;
}
void setTypes(OwlapiTypes types) {
this.types = types;
}
void setProperties(OwlapiProperties properties) {
this.properties = properties;
}
void setLists(OwlapiLists lists) {
this.lists = lists;
}
@Override
public boolean isOpen() {
return open;
}
@Override
public void commit() {
ensureOpen();
adapter.commit();
}
public void ensureOpen() {
if (!open) {
throw new IllegalStateException("Connection is closed.");
}
}
@Override
public void rollback() {
ensureOpen();
adapter.rollback();
}
@Override
public void setAutoCommit(boolean autoCommit) {
this.autoCommit = autoCommit;
}
@Override
public boolean isAutoCommit() {
return autoCommit;
}
@Override
public Statement createStatement() {
ensureOpen();
return adapter.createStatement(this);
}
@Override
public PreparedStatement prepareStatement(String sparql) {
ensureOpen();
return adapter.prepareStatement(sparql, this);
}
@Override
public boolean isConsistent(URI context) {
ensureOpen();
return adapter.isConsistent(context);
}
@Override
public List<URI> getContexts() {
ensureOpen();
return adapter.getContexts();
}
@Override
public boolean contains(Axiom<?> axiom, URI context) {
ensureOpen();
Objects.requireNonNull(axiom, getNPXMessageSupplier("axiom"));
return adapter.containsAxiom(axiom, context);
}
@Override
public Collection<Axiom<?>> find(AxiomDescriptor descriptor) throws OntoDriverException {
ensureOpen();
Objects.requireNonNull(descriptor);
try {
return adapter.find(descriptor);
} catch (RuntimeException e) {
throw new OwlapiDriverException(e);
}
}
@Override
public void persist(AxiomValueDescriptor descriptor) throws OntoDriverException {
ensureOpen();
Objects.requireNonNull(descriptor);
try {
adapter.persist(descriptor);
commitIfAuto();
} catch (RuntimeException e) {
throw new OwlapiDriverException(e);
}
}
@Override
public URI generateIdentifier(URI classUri) {
ensureOpen();
Objects.requireNonNull(classUri);
return adapter.generateIdentifier(classUri);
}
@Override
public void update(AxiomValueDescriptor descriptor) throws OntoDriverException {
ensureOpen();
Objects.requireNonNull(descriptor);
try {
adapter.update(descriptor);
commitIfAuto();
} catch (RuntimeException e) {
throw new OwlapiDriverException(e);
}
}
@Override
public void remove(AxiomDescriptor descriptor) throws OntoDriverException {
ensureOpen();
Objects.requireNonNull(descriptor);
try {
adapter.remove(descriptor);
commitIfAuto();
} catch (RuntimeException e) {
throw new OwlapiDriverException(e);
}
}
@Override
public Lists lists() {
ensureOpen();
assert lists != null;
return lists;
}
@Override
public Types types() {
ensureOpen();
assert types != null;
return types;
}
@Override
public Properties properties() {
ensureOpen();
assert properties != null;
return properties;
}
@Override
public void close() {
if (!open) {
return;
}
if (listener != null) {
listener.connectionClosed(this);
}
this.open = false;
}
public void commitIfAuto() {
if (autoCommit) {
adapter.commit();
}
}
@Override
public <T> T unwrap(Class<T> cls) throws OntoDriverException {
if (cls.isAssignableFrom(this.getClass())) {
return cls.cast(this);
}
return adapter.unwrap(cls);
}
}