com.blazebit.persistence.impl.query.CustomSQLTypedQuery Maven / Gradle / Ivy

/*
 * Copyright 2014 - 2020 Blazebit.
 *
 * Licensed 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 com.blazebit.persistence.impl.query;

import com.blazebit.persistence.impl.ParameterValueTransformer;
import com.blazebit.persistence.impl.ValuesParameterBinder;

import javax.persistence.FlushModeType;
import javax.persistence.LockModeType;
import javax.persistence.Parameter;
import javax.persistence.PersistenceException;
import javax.persistence.Query;
import javax.persistence.TemporalType;
import javax.persistence.TypedQuery;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @author Christian Beikov
 * @since 1.2.0
 */
public class CustomSQLTypedQuery extends AbstractCustomQuery implements TypedQuery {

    private final Query delegate;

    public CustomSQLTypedQuery(QuerySpecification querySpecification, Query delegate, Map transformers, Map valuesParameters, Map valuesBinders) {
        super(querySpecification, transformers, valuesParameters, valuesBinders);
        this.delegate = delegate;
    }

    @Override
    @SuppressWarnings("unchecked")
    public List getResultList() {
        bindParameters();
        return querySpecification.createSelectPlan(firstResult, maxResults).getResultList();
    }

    @Override
    @SuppressWarnings("unchecked")
    public X getSingleResult() {
        bindParameters();
        return querySpecification.createSelectPlan(firstResult, maxResults).getSingleResult();
    }

    @Override
    public int executeUpdate() {
        throw new IllegalArgumentException("Can not call executeUpdate on a select query!");
    }

    @Override
    public TypedQuery setHint(String hintName, Object value) {
        // TODO: implement
        throw new UnsupportedOperationException("Not yet implemented!");
    }

    @Override
    public Map getHints() {
        // TODO: implement
        throw new UnsupportedOperationException("Not yet implemented!");
    }

    @Override
    public TypedQuery setFlushMode(FlushModeType flushMode) {
        delegate.setFlushMode(flushMode);
        return this;
    }

    @Override
    public FlushModeType getFlushMode() {
        return delegate.getFlushMode();
    }

    @Override
    public TypedQuery setLockMode(LockModeType lockMode) {
        delegate.setLockMode(lockMode);
        return this;
    }

    @Override
    public LockModeType getLockMode() {
        return delegate.getLockMode();
    }

    @Override
    public  T unwrap(Class cls) {
        // TODO: This unperformant, I think we should introduce a hasParticiaptingQueries in QuerySpecification
        if (querySpecification.getParticipatingQueries().size() > 1) {
            throw new PersistenceException("Unsupported unwrap: " + cls.getName());
        }
        return delegate.unwrap(cls);
    }

    /* Covariant override */

    @Override
    public TypedQuery setMaxResults(int maxResults) {
        super.setMaxResults(maxResults);
        return this;
    }

    @Override
    public TypedQuery setFirstResult(int startPosition) {
        super.setFirstResult(startPosition);
        return this;
    }

    @Override
    public  TypedQuery setParameter(Parameter param, T value) {
        super.setParameter(param, value);
        return this;
    }

    @Override
    public TypedQuery setParameter(Parameter param, Calendar value, TemporalType temporalType) {
        super.setParameter(param, value, temporalType);
        return this;
    }

    @Override
    public TypedQuery setParameter(Parameter param, Date value, TemporalType temporalType) {
        super.setParameter(param, value, temporalType);
        return this;
    }

    @Override
    public TypedQuery setParameter(String name, Object value) {
        super.setParameter(name, value);
        return this;
    }

    @Override
    public TypedQuery setParameter(String name, Calendar value, TemporalType temporalType) {
        super.setParameter(name, value, temporalType);
        return this;
    }

    @Override
    public TypedQuery setParameter(String name, Date value, TemporalType temporalType) {
        super.setParameter(name, value, temporalType);
        return this;
    }

    @Override
    public TypedQuery setParameter(int position, Object value) {
        super.setParameter(position, value);
        return this;
    }

    @Override
    public TypedQuery setParameter(int position, Calendar value, TemporalType temporalType) {
        super.setParameter(position, value, temporalType);
        return this;
    }

    @Override
    public TypedQuery setParameter(int position, Date value, TemporalType temporalType) {
        super.setParameter(position, value, temporalType);
        return this;
    }
}