org.springframework.jdbc.roma.impl.lazy.PropertyBasedLazyLoadConditionAwareProcessor.java Source code

Introduction

Here is the source code for org.springframework.jdbc.roma.impl.lazy.PropertyBasedLazyLoadConditionAwareProcessor.java

Source

/*
 * Copyright 2002-2013 the original author or authors.
 *
 * 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 org.springframework.jdbc.roma.impl.lazy;

import org.apache.log4j.Logger;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.jdbc.roma.api.config.provider.annotation.RowMapperPropertyBasedLazyLoadConditionAware;
import org.springframework.stereotype.Component;

/**
 * @author Serkan ZAL
 */
@Component
@Aspect
@Order(Ordered.HIGHEST_PRECEDENCE)
public class PropertyBasedLazyLoadConditionAwareProcessor {

    private static final Logger logger = Logger.getLogger(PropertyBasedLazyLoadConditionAwareProcessor.class);

    @Autowired
    private LazyManager lazyManager;

    @Around("@annotation(org.springframework.jdbc.roma.api.config.provider.annotation.RowMapperPropertyBasedLazyLoadConditionAware)"
            + " and args(propertyBasedLazyLoadConditionAware)")
    public Object propertyBasedLazyConditionAwareInterceptor(ProceedingJoinPoint joinPoint,
            RowMapperPropertyBasedLazyLoadConditionAware propertyBasedLazyLoadConditionAware) throws Throwable {
        final String propertyName = propertyBasedLazyLoadConditionAware.propertyName();
        try {
            if ((propertyBasedLazyLoadConditionAware.options()
                    & RowMapperPropertyBasedLazyLoadConditionAware.ENABLE_ON_START) > 0) {
                lazyManager.enableLazyLoadConditionProperty(propertyName);
                if (logger.isDebugEnabled()) {
                    logger.debug("Enabled property " + propertyName + " on start of " + joinPoint.toLongString());
                }
            } else if ((propertyBasedLazyLoadConditionAware.options()
                    & RowMapperPropertyBasedLazyLoadConditionAware.DISABLE_ON_START) > 0) {
                lazyManager.disableLazyLoadConditionProperty(propertyName);
                if (logger.isDebugEnabled()) {
                    logger.debug("Disabled property " + propertyName + " on start of " + joinPoint.toLongString());
                }
            }

            return joinPoint.proceed();
        } finally {
            if ((propertyBasedLazyLoadConditionAware.options()
                    & RowMapperPropertyBasedLazyLoadConditionAware.ENABLE_ON_FINISH) > 0) {
                lazyManager.enableLazyLoadConditionProperty(propertyName);
                if (logger.isDebugEnabled()) {
                    logger.debug("Enabled property " + propertyName + " on finish of " + joinPoint.toLongString());
                }
            } else if ((propertyBasedLazyLoadConditionAware.options()
                    & RowMapperPropertyBasedLazyLoadConditionAware.DISABLE_ON_FINISH) > 0) {
                lazyManager.disableLazyLoadConditionProperty(propertyName);
                if (logger.isDebugEnabled()) {
                    logger.debug("Disabled property " + propertyName + " on finish of " + joinPoint.toLongString());
                }
            }
        }
    }

}