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Cassandra support for Spring Data
/*
* Copyright 2016-2018 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.data.cassandra.repository.query;
import java.util.Iterator;
import java.util.Optional;
import java.util.Set;
import org.springframework.data.cassandra.core.convert.CassandraConverter;
import org.springframework.data.cassandra.core.cql.QueryOptions;
import org.springframework.data.cassandra.core.mapping.CassandraMappingContext;
import org.springframework.data.cassandra.core.mapping.CassandraPersistentProperty;
import org.springframework.data.cassandra.core.mapping.CassandraSimpleTypeHolder;
import org.springframework.data.cassandra.core.mapping.CassandraType;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.util.ClassTypeInformation;
import org.springframework.data.util.TypeInformation;
import org.springframework.lang.Nullable;
import com.datastax.driver.core.CodecRegistry;
import com.datastax.driver.core.DataType;
import com.datastax.driver.core.DataType.CollectionType;
import com.datastax.driver.core.TypeCodec;
/**
* Custom {@link org.springframework.data.repository.query.ParameterAccessor} that uses a {@link CassandraConverter} to
* convert parameters.
*
* @author Mark Paluch
* @see org.springframework.data.cassandra.repository.query.ConvertingParameterAccessor
* @since 1.5
*/
class ConvertingParameterAccessor implements CassandraParameterAccessor {
private static final TypeInformation SET = ClassTypeInformation.from(Set.class);
private final CassandraConverter converter;
private final CassandraParameterAccessor delegate;
ConvertingParameterAccessor(CassandraConverter converter, CassandraParameterAccessor delegate) {
this.converter = converter;
this.delegate = delegate;
}
/* (non-Javadoc)
* @see org.springframework.data.repository.query.ParameterAccessor#getPageable()
*/
@Override
public Pageable getPageable() {
return this.delegate.getPageable();
}
/* (non-Javadoc)
* @see org.springframework.data.repository.query.ParameterAccessor#getSort()
*/
@Override
public Sort getSort() {
return this.delegate.getSort();
}
/* (non-Javadoc)
* @see org.springframework.data.repository.query.ParameterAccessor#getDynamicProjection()
*/
@Override
public Optional> getDynamicProjection() {
return this.delegate.getDynamicProjection();
}
/* (non-Javadoc)
* @see org.springframework.data.repository.query.ParameterAccessor#getBindableValue(int)
*/
@Override
public Object getBindableValue(int index) {
return potentiallyConvert(index, this.delegate.getBindableValue(index));
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#findCassandraType(int)
*/
@Override
public CassandraType findCassandraType(int index) {
return this.delegate.findCassandraType(index);
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getDataType(int)
*/
@Override
public DataType getDataType(int index) {
return this.delegate.getDataType(index);
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getParameterType(int)
*/
@Override
public Class getParameterType(int index) {
return this.delegate.getParameterType(index);
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getQueryOptions()
*/
@Nullable
@Override
public QueryOptions getQueryOptions() {
return this.delegate.getQueryOptions();
}
/* (non-Javadoc)
* @see org.springframework.data.repository.query.ParameterAccessor#hasBindableNullValue()
*/
@Override
public boolean hasBindableNullValue() {
return this.delegate.hasBindableNullValue();
}
/* (non-Javadoc)
* @see org.springframework.data.repository.query.ParameterAccessor#iterator()
*/
public Iterator