/**
* OpenSpotLight - Open Source IT Governance Platform
*
* Copyright (c) 2009, CARAVELATECH CONSULTORIA E TECNOLOGIA EM INFORMATICA LTDA
* or third-party contributors as indicated by the @author tags or express
* copyright attribution statements applied by the authors. All third-party
* contributions are distributed under license by CARAVELATECH CONSULTORIA E
* TECNOLOGIA EM INFORMATICA LTDA.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
***********************************************************************
* OpenSpotLight - Plataforma de Governança de TI de Código Aberto
*
* Direitos Autorais Reservados (c) 2009, CARAVELATECH CONSULTORIA E TECNOLOGIA
* EM INFORMATICA LTDA ou como contribuidores terceiros indicados pela etiqueta
* @author ou por expressa atribuição de direito autoral declarada e atribuída pelo autor.
* Todas as contribuições de terceiros estão distribuídas sob licença da
* CARAVELATECH CONSULTORIA E TECNOLOGIA EM INFORMATICA LTDA.
*
* Este programa é software livre; você pode redistribuí-lo e/ou modificá-lo sob os
* termos da Licença Pública Geral Menor do GNU conforme publicada pela Free Software
* Foundation.
*
* Este programa é distribuído na expectativa de que seja útil, porém, SEM NENHUMA
* GARANTIA; nem mesmo a garantia implícita de COMERCIABILIDADE OU ADEQUAÇÃO A UMA
* FINALIDADE ESPECÍFICA. Consulte a Licença Pública Geral Menor do GNU para mais detalhes.
*
* Você deve ter recebido uma cópia da Licença Pública Geral Menor do GNU junto com este
* programa; se não, escreva para:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.openspotlight.graph.query;
import static org.openspotlight.graph.query.SideType.ANY_SIDE;
import static org.openspotlight.graph.query.SideType.A_SIDE;
import static org.openspotlight.graph.query.SideType.BOTH_SIDES;
import static org.openspotlight.graph.query.SideType.B_SIDE;
import java.util.ArrayList;
import java.util.List;
import org.openspotlight.graph.query.info.SelectByLinkTypeInfo;
import org.openspotlight.graph.query.info.SelectByLinkTypeInfo.SLSelectByLinkInfo;
import org.openspotlight.graph.query.info.SelectByLinkTypeInfo.SLSelectTypeInfo;
import org.openspotlight.graph.query.info.WhereByLinkTypeInfo;
/**
* The Class SLSelectByLinkTypeImpl.
*
* @author Vitor Hugo Chagas
*/
public class SelectByLinkTypeImpl implements SelectByLinkType, SelectInfoGetter {
/**
* The Class ByLinkImpl.
*
* @author Vitor Hugo Chagas
*/
public static class ByLinkImpl implements ByLink {
/** The by link info. */
private final SLSelectByLinkInfo byLinkInfo;
/** The select. */
private final SelectByLinkType select;
/**
* Instantiates a new by link impl.
*
* @param select the select
* @param byLinkInfo the by link info
*/
public ByLinkImpl(
final SelectByLinkType select, final SLSelectByLinkInfo byLinkInfo) {
this.select = select;
this.byLinkInfo = byLinkInfo;
}
/**
* {@inheritDoc}
*/
@Override
public ByLink a() {
byLinkInfo.setSide(A_SIDE);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public ByLink any() {
byLinkInfo.setSide(ANY_SIDE);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public ByLink b() {
byLinkInfo.setSide(B_SIDE);
return this;
}
/**
* Both.
*
* @return the by link
*/
public ByLink both() {
byLinkInfo.setSide(BOTH_SIDES);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public SelectByLinkType comma() {
byLinkInfo.setComma(true);
return select;
}
/**
* {@inheritDoc}
*/
@Override
public End selectEnd() {
return select.end();
}
}
/**
* The Class EndImpl.
*
* @author Vitor Hugo Chagas
*/
public static class EndImpl implements End {
/** The order by. */
private OrderByStatement orderBy;
/** The select facade. */
private final SelectFacade selectFacade;
/** The select info. */
private final SelectByLinkTypeInfo selectInfo;
/** The where. */
private WhereByLinkType where;
/**
* Instantiates a new end impl.
*
* @param selectFacade the select facade
* @param selectInfo the select info
*/
EndImpl(
final SelectFacade selectFacade, final SelectByLinkTypeInfo selectInfo) {
this.selectFacade = selectFacade;
this.selectInfo = selectInfo;
// this.orderBy = new SLOrderByStatementImpl();
}
/**
* {@inheritDoc}
*/
@Override
public End executeXTimes() {
selectInfo.setXTimes(0);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public End executeXTimes(final int x) {
selectInfo.setXTimes(x);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public End keepResult() {
selectInfo.setKeepResult(true);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public End limit(final Integer limit) {
selectInfo.setLimit(limit);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public End limit(final Integer limit,
final Integer offset) {
selectInfo.setLimit(limit);
selectInfo.setOffset(offset);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public OrderByStatement orderBy() {
return orderBy;
}
/**
* {@inheritDoc}
*/
@Override
public SelectStatement select() {
return selectFacade.select();
}
/**
* {@inheritDoc}
*/
@Override
public SelectByLinkCount selectByLinkCount() {
return selectFacade.selectByLinkCount();
}
/**
* {@inheritDoc}
*/
@Override
public SelectByLinkType selectByLinkType() {
return selectFacade.selectByLinkType();
}
/**
* {@inheritDoc}
*/
@Override
public SelectByNodeType selectByNodeType() {
return selectFacade.selectByNodeType();
}
/**
* {@inheritDoc}
*/
@Override
public WhereByLinkType where() {
if (where == null) {
final WhereByLinkTypeInfo whereByLinkType = new WhereByLinkTypeInfo(selectInfo);
selectInfo.setWhereByLinkTypeInfo(whereByLinkType);
where = new WhereByLinkTypeImpl(orderBy, whereByLinkType);
}
return where;
}
}
/**
* The Class TypeImpl.
*
* @author Vitor Hugo Chagas
*/
public static class TypeImpl implements Type {
/** The select by link type. */
private final SelectByLinkType selectByLinkType;
/** The type info. */
private final SLSelectTypeInfo typeInfo;
/**
* Instantiates a new type impl.
*
* @param selectByNodeType the select by node type
* @param typeInfo the type info
*/
TypeImpl(
final SelectByLinkType selectByNodeType, final SLSelectTypeInfo typeInfo) {
selectByLinkType = selectByNodeType;
this.typeInfo = typeInfo;
}
/**
* {@inheritDoc}
*/
@Override
public SelectByLinkType comma() {
typeInfo.setComma(true);
return selectByLinkType;
}
/**
* {@inheritDoc}
*/
@Override
public End selectEnd() {
return selectByLinkType.end();
}
/**
* {@inheritDoc}
*/
@Override
public Type subTypes() {
typeInfo.setSubTypes(true);
return this;
}
}
/** The by links. */
private final List<ByLink> byLinks;
/** The select end. */
private final End selectEnd;
/** The select info. */
private final SelectByLinkTypeInfo selectInfo;
/** The types. */
private final List<Type> types;
/**
* Instantiates a new sL select statement impl.
*
* @param selectFacade the select facade
*/
public SelectByLinkTypeImpl(
final SelectFacade selectFacade) {
selectInfo = new SelectByLinkTypeInfo();
types = new ArrayList<Type>();
byLinks = new ArrayList<ByLink>();
selectEnd = new EndImpl(selectFacade, selectInfo);
}
/**
* Verify if last item terminated with comma.
*/
private void verifyIfLastItemTerminatedWithComma() {
int commaCount = 0;
for (final SLSelectTypeInfo typeInfo: selectInfo.getTypeInfoList()) {
commaCount += typeInfo.isComma() ? 1 : 0;
}
for (final SLSelectByLinkInfo byLinkInfo: selectInfo.getByLinkInfoList()) {
commaCount += byLinkInfo.isComma() ? 1 : 0;
}
if (commaCount == selectInfo.getTypeInfoList().size() + selectInfo.getByLinkInfoList().size()) { throw new InvalidQuerySyntaxRuntimeException(
"last SELECT clause item must not preceed comma."); }
}
/**
* {@inheritDoc}
*/
@Override
public ByLink byLink(final String typeName) {
final SLSelectByLinkInfo byLinkInfo = selectInfo.addByLink(typeName);
final ByLink byLink = new ByLinkImpl(this, byLinkInfo);
byLinks.add(byLink);
return byLink;
}
/**
* {@inheritDoc}
*/
@Override
public End end() {
verifyIfLastItemTerminatedWithComma();
return selectEnd;
}
/**
* Gets the select by node type info.
*
* @return the select by node type info
*/
public SelectByLinkTypeInfo getSelectByNodeTypeInfo() {
return selectInfo;
}
/**
* {@inheritDoc}
*/
@Override
public SelectByLinkTypeInfo getSelectInfo() {
return selectInfo;
}
@Override
public String toString() {
return selectInfo.toString();
}
/**
* {@inheritDoc}
*/
@Override
public Type type(final String typeName) {
final SLSelectTypeInfo typeInfo = selectInfo.addType(typeName);
final Type type = new TypeImpl(this, typeInfo);
types.add(type);
return type;
}
}