nivance.jpa.cassandra.prepare.mapping.CassandraMappingContext.java Source code

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/*
 * Copyright 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 nivance.jpa.cassandra.prepare.mapping;

import java.beans.PropertyDescriptor;
import java.lang.reflect.Field;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.data.mapping.context.AbstractMappingContext;
import org.springframework.data.mapping.context.MappingContext;
import org.springframework.data.mapping.model.SimpleTypeHolder;
import org.springframework.data.util.TypeInformation;

/**
 * Default implementation of a {@link MappingContext} for Cassandra using {@link BasicCassandraPersistentEntity} and
 * {@link BasicCassandraPersistentProperty} as primary abstractions.
 * 
 * @author Alex Shvid
 */
public class CassandraMappingContext
        extends AbstractMappingContext<BasicCassandraPersistentEntity<?>, CassandraPersistentProperty>
        implements ApplicationContextAware {

    private ApplicationContext context;

    /**
     * Creates a new {@link CassandraMappingContext}.
     */
    public CassandraMappingContext() {
        setSimpleTypeHolder(CassandraSimpleTypes.HOLDER);
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.mapping.AbstractMappingContext#createPersistentProperty(java.lang.reflect.Field, java.beans.PropertyDescriptor, org.springframework.data.mapping.MutablePersistentEntity, org.springframework.data.mapping.SimpleTypeHolder)
     */
    @Override
    public CassandraPersistentProperty createPersistentProperty(Field field, PropertyDescriptor descriptor,
            BasicCassandraPersistentEntity<?> owner, SimpleTypeHolder simpleTypeHolder) {
        return new CachingCassandraPersistentProperty(field, descriptor, owner, simpleTypeHolder);
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.data.mapping.BasicMappingContext#createPersistentEntity(org.springframework.data.util.TypeInformation, org.springframework.data.mapping.model.MappingContext)
     */
    @Override
    protected <T> BasicCassandraPersistentEntity<T> createPersistentEntity(TypeInformation<T> typeInformation) {

        BasicCassandraPersistentEntity<T> entity = new BasicCassandraPersistentEntity<T>(typeInformation);

        if (context != null) {
            entity.setApplicationContext(context);
        }

        return entity;
    }

    /*
     * (non-Javadoc)
     * @see org.springframework.context.ApplicationContextAware#setApplicationContext(org.springframework.context.ApplicationContext)
     */
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.context = applicationContext;
    }
}