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CriteriaFactoryImpl.java
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CriteriaFactoryImpl.java
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package cz.cvut.kbss.jopa.query.criteria;
import com.sun.javafx.fxml.expression.LiteralExpression;
import cz.cvut.kbss.jopa.model.CriteriaQueryImpl;
import cz.cvut.kbss.jopa.model.query.criteria.CriteriaQuery;
import cz.cvut.kbss.jopa.model.query.criteria.Expression;
import cz.cvut.kbss.jopa.model.query.criteria.ParameterExpression;
import cz.cvut.kbss.jopa.model.query.criteria.Predicate;
import cz.cvut.kbss.jopa.query.criteria.expressions.*;
import cz.cvut.kbss.jopa.sessions.CriteriaFactory;
import cz.cvut.kbss.jopa.sessions.UnitOfWorkImpl;
import java.util.Arrays;
public class CriteriaFactoryImpl implements CriteriaFactory {
private final UnitOfWorkImpl uow;
public CriteriaFactoryImpl(UnitOfWorkImpl uow) {
this.uow = uow;
}
@Override
public CriteriaQuery<Object> createQuery() {
return null;
}
@Override
public <T> CriteriaQuery<T> createQuery(Class<T> resultClass) {
return new CriteriaQueryImpl<>(new CriteriaQueryHolder<>(resultClass), uow.getMetamodel());
}
@Override
public Expression<Long> count(Expression<?> x) {
// AbstractExpression<?> expression = (AbstractExpression<?>) x;
// if (expression.getExpression() == null) throw new MissingChildExpressionException("Expression representing COUNT method is missing child expression.");
// return new FunctionExpressionImpl<>(new ExpressionCountImpl<>(expression.getExpression()));
return null;
}
@Override
public <T> ParameterExpression<T> parameter(Class<T> paramClass) {
return new ParameterExpressionImpl<>(paramClass, null);
}
@Override
public <T> ParameterExpression<T> parameter(Class<T> paramClass, String name) {
return new ParameterExpressionImpl<>(paramClass, name);
}
@Override
public <T> Expression<T> literal(T value) throws IllegalArgumentException{
if (value == null) throw new IllegalArgumentException("Literal expression cannot be null.");
return new ExpressionLiteralImpl<>(value);
}
@Override
public Predicate and(Expression<Boolean> x, Expression<Boolean> y) {
return new CompoundedPredicateImpl(Predicate.BooleanOperator.AND, Arrays.asList(x,y));
}
@Override
public Predicate and(Predicate... restrictions) {
return new CompoundedPredicateImpl(Predicate.BooleanOperator.AND, Arrays.asList(restrictions));
}
@Override
public Predicate or(Expression<Boolean> x, Expression<Boolean> y) {
return new CompoundedPredicateImpl(Predicate.BooleanOperator.OR, Arrays.asList(x,y));
}
@Override
public Predicate or(Predicate... restrictions) {
return new CompoundedPredicateImpl(Predicate.BooleanOperator.OR, Arrays.asList(restrictions));
}
@Override
public Predicate equals(Expression<?> x, Expression<?> y) {
return new SimplePredicateImpl(new ExpressionEqualsImpl<Boolean>((AbstractExpression<?>)x,(AbstractExpression<?>)y,this));
}
@Override
public Predicate equals(Expression<?> x, Object y) {
return new SimplePredicateImpl(new ExpressionEqualsImpl<Boolean>((AbstractExpression<?>) x, y,this));
}
@Override
public Predicate notEquals(Expression<?> x, Expression<?> y) {
return new SimplePredicateImpl(new ExpressionNotEqualsImpl((AbstractExpression<?>)x,(AbstractExpression<?>)y,this));
}
@Override
public Predicate notEquals(Expression<?> x, Object y) {
return new SimplePredicateImpl(new ExpressionNotEqualsImpl((AbstractExpression<?>)x,y,this));
}
@Override
public <Y extends Comparable<? super Y>> Predicate greaterThan(Expression<? extends Y> x, Expression<? extends Y> y) {
// return new PredicateImpl(new ExpressionGreaterThanImpl<>((AbstractExpression<?>)x,(AbstractExpression<?>)y));
return null;
}
@Override
public <Y extends Comparable<? super Y>> Predicate greaterThan(Expression<? extends Y> x, Y y) {
// return new PredicateImpl(new ExpressionGreaterThanImpl<>((AbstractExpression<?>)x,y));
return null;
}
@Override
public <Y extends Comparable<? super Y>> Predicate greaterOrEqual(Expression<? extends Y> x, Expression<? extends Y> y) {
// return new PredicateImpl(new ExpressionGreaterThanOrEqualImpl<>((AbstractExpression<?>)x,(AbstractExpression<?>)y));
return null;
}
@Override
public <Y extends Comparable<? super Y>> Predicate greaterOrEqual(Expression<? extends Y> x, Y y) {
// return new PredicateImpl(new ExpressionGreaterThanOrEqualImpl<>((AbstractExpression<?>)x,y));
return null;
}
@Override
public <Y extends Comparable<? super Y>> Predicate lessThan(Expression<? extends Y> x, Expression<? extends Y> y) {
// return new PredicateImpl(new ExpressionLessThanImpl<>((AbstractExpression<?>)x,(AbstractExpression<?>)y));
return null;
}
@Override
public <Y extends Comparable<? super Y>> Predicate lessThan(Expression<? extends Y> x, Y y) {
// return new PredicateImpl(new ExpressionLessThanImpl<>((AbstractExpression<?>)x,y));
return null;
}
@Override
public <Y extends Comparable<? super Y>> Predicate lessOrEqual(Expression<? extends Y> x, Expression<? extends Y> y) {
// return new PredicateImpl(new ExpressionLessThanOrEqualImpl<>((AbstractExpression<?>)x,(AbstractExpression<?>)y));
return null;
}
@Override
public <Y extends Comparable<? super Y>> Predicate lessOrEqual(Expression<? extends Y> x, Y y) {
// return new PredicateImpl(new ExpressionLessThanOrEqualImpl<>((AbstractExpression<?>)x,y));
return null;
}
}