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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.openjpa.persistence.query;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
/**
* Domain Object is a path expression over which query is evaluated.
* Domain object acts as a proxy for a QueryDefinition via delegation.
*
* @author Pinaki Poddar
*
*/
public abstract class AbstractDomainObject extends AbstractPath
implements DomainObject {
protected AbstractDomainObject(QueryDefinitionImpl owner,
AbstractPath parent, PathOperator op, Object part2) {
super(owner, parent, op, part2);
}
/**
* Adding a root adds a root domain to the owning query.
*/
public DomainObject addRoot(Class cls) {
return _owner.addRoot(cls);
}
/**
* Adding a query root adds a subquery to the owning query.
*/
public DomainObject addSubqueryRoot(PathExpression path) {
return _owner.addSubqueryRoot(path);
}
/**
* Derives a path from this path by navigating through the given field.
*/
public PathExpression get(String attr) {
return new NavigationPath(_owner, this, attr);
}
/**
* Derives a path from this path by joining the given field.
* Also the joined path becomes a domain of the owning query.
*/
public DomainObject join(String attr) {
return _owner.addDomain(new JoinPath(this, PathOperator.INNER, attr));
}
/**
* Derives a path from this path by outer joining the given field.
* Also the joined path becomes a domain of the owning query.
*/
public DomainObject leftJoin(String attr) {
return _owner.addDomain(new JoinPath(this, PathOperator.OUTER, attr));
}
/**
* Derives a path from this path by fetch joining the given field.
*/
public FetchJoinObject joinFetch(String attr) {
return _owner.addDomain(new FetchPath(this, PathOperator.FETCH_INNER,
attr));
}
/**
* Derives a path from this path by fetch joining the given field.
*/
public FetchJoinObject leftJoinFetch(String attr) {
return _owner.addDomain(new FetchPath(this, PathOperator.FETCH_OUTER,
attr));
}
/**
* Derives by KEY() operation on this path.
*/
public PathExpression key() {
return new KeyExpression(this);
}
/**
* Derives by ENTRY() operation on this path.
*/
public SelectItem entry() {
return new EntryExpression(this);
}
/**
* Derives by INDEX() operation on this path.
*/
public Expression index() {
return new IndexExpression(this);
}
/**
* Derives a path by VALUE() operation on this path.
*/
public PathExpression value() {
return new ValueExpression(this);
}
/**
* Derives this path as ALL(subquery) to its owning query.
*/
public Subquery all() {
return _owner.all();
}
/**
* Adds this path as ANY(subquery) to its owning query.
*/
public Subquery any() {
return _owner.any();
}
/**
* Adds this path as SOME(subquery) to its owning query.
*/
public Subquery some() {
return _owner.some();
}
/**
* Adds this path as EXISTS(subquery) to its owning query.
*/
public Predicate exists() {
return _owner.exists();
}
public Expression coalesce(Expression... exp) {
throw new UnsupportedOperationException();
}
public Expression coalesce(String... exp) {
throw new UnsupportedOperationException();
}
public Expression coalesce(Date... exp) {
throw new UnsupportedOperationException();
}
public Expression coalesce(Calendar... exp) {
throw new UnsupportedOperationException();
}
public Expression currentDate() {
return _owner.currentDate();
}
public Expression currentTime() {
return _owner.currentTime();
}
public Expression currentTimestamp() {
return _owner.currentTimestamp();
}
public CaseExpression generalCase() {
return _owner.generalCase();
}
public QueryDefinition groupBy(PathExpression... pathExprs) {
return _owner.groupBy(pathExprs);
}
public QueryDefinition groupBy(List pathExprList) {
return _owner.groupBy(pathExprList);
}
public QueryDefinition having(Predicate predicate) {
return _owner.having(predicate);
}
public Expression literal(String s) {
return _owner.literal(s);
}
public Expression literal(Number n) {
return _owner.literal(n);
}
public Expression literal(boolean b) {
return _owner.literal(b);
}
public Expression literal(Calendar c) {
return _owner.literal(c);
}
public Expression literal(Date d) {
return _owner.literal(d);
}
public Expression literal(char c) {
return _owner.literal(c);
}
public Expression literal(Class cls) {
return _owner.literal(cls);
}
public Expression literal(Enum e) {
return _owner.literal(e);
}
public SelectItem newInstance(Class cls, SelectItem... args) {
return _owner.newInstance(cls, args);
}
public Expression nullLiteral() {
return _owner.nullLiteral();
}
public Expression nullif(Expression exp1, Expression exp2) {
return _owner.nullif(exp1, exp2);
}
public Expression nullif(Number arg1, Number arg2) {
return _owner.nullif(arg1, arg2);
}
public Expression nullif(String arg1, String arg2) {
return _owner.nullif(arg1, arg2);
}
public Expression nullif(Date arg1, Date arg2) {
return _owner.nullif(arg1, arg2);
}
public Expression nullif(Calendar arg1, Calendar arg2) {
return _owner.nullif(arg1, arg2);
}
public Expression nullif(Class arg1, Class arg2) {
return _owner.nullif(arg1, arg2);
}
public Expression nullif(Enum arg1, Enum arg2) {
return _owner.nullif(arg1, arg2);
}
public QueryDefinition orderBy(OrderByItem... orderByItems) {
return _owner.orderBy(orderByItems);
}
public QueryDefinition orderBy(List orderByItemList) {
return _owner.orderBy(orderByItemList);
}
public Expression param(String name) {
return _owner.param(name);
}
public Predicate predicate(boolean b) {
return _owner.predicate(b);
}
public QueryDefinition select(SelectItem... selectItems) {
return _owner.select(selectItems);
}
public QueryDefinition select(List selectItemList) {
return _owner.select(selectItemList);
}
public QueryDefinition selectDistinct(SelectItem... selectItems) {
return _owner.selectDistinct(selectItems);
}
public QueryDefinition selectDistinct(List selectItemList) {
return _owner.selectDistinct(selectItemList);
}
public CaseExpression simpleCase(Expression caseOperand) {
return _owner.simpleCase(caseOperand);
}
public CaseExpression simpleCase(Number caseOperand) {
return _owner.simpleCase(caseOperand);
}
public CaseExpression simpleCase(String caseOperand) {
return _owner.simpleCase(caseOperand);
}
public CaseExpression simpleCase(Date caseOperand) {
return _owner.simpleCase(caseOperand);
}
public CaseExpression simpleCase(Calendar caseOperand) {
return _owner.simpleCase(caseOperand);
}
public CaseExpression simpleCase(Class caseOperand) {
return _owner.simpleCase(caseOperand);
}
public CaseExpression simpleCase(Enum caseOperand) {
return _owner.simpleCase(caseOperand);
}
public QueryDefinition where(Predicate predicate) {
return _owner.where(predicate);
}
}
