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Cassandra support for Spring Data
/*
* Copyright 2016-2021 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
*
* https://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 org.springframework.data.cassandra.core.cql.QueryOptions;
import org.springframework.data.cassandra.core.mapping.CassandraSimpleTypeHolder;
import org.springframework.data.cassandra.core.mapping.CassandraType;
import org.springframework.data.repository.query.ParameterAccessor;
import org.springframework.data.repository.query.ParametersParameterAccessor;
import org.springframework.lang.Nullable;
import com.datastax.oss.driver.api.core.type.DataType;
/**
* Cassandra-specific {@link ParameterAccessor} exposing Cassandra {@link DataType types} that are supported by the
* driver and parameter type.
*
* @author Mark Paluch
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor
* @see org.springframework.data.repository.query.ParametersParameterAccessor
*/
public class CassandraParametersParameterAccessor extends ParametersParameterAccessor
implements CassandraParameterAccessor {
/**
* Create a new {@link CassandraParametersParameterAccessor}.
*
* @param method must not be {@literal null}.
* @param values must not be {@literal null}.
*/
public CassandraParametersParameterAccessor(CassandraQueryMethod method, Object... values) {
super(method.getParameters(), values);
}
/*
* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getDataType(int)
*/
@Override
public DataType getDataType(int index) {
CassandraType cassandraType = findCassandraType(index);
return (cassandraType != null ? CassandraSimpleTypeHolder.getDataTypeFor(cassandraType.type())
: CassandraSimpleTypeHolder.getDataTypeFor(getParameterType(index)));
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#findCassandraType(int)
*/
@Nullable
public CassandraType findCassandraType(int index) {
return getParameters().getParameter(index).getCassandraType();
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getParameterType(int)
*/
@Override
public Class getParameterType(int index) {
return getParameters().getParameter(index).getType();
}
/* (non-Javadoc)
* @see org.springframework.data.repository.query.ParametersParameterAccessor#getParameters()
*/
@Override
public CassandraParameters getParameters() {
return (CassandraParameters) super.getParameters();
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getValues()
*/
@Override
public Object[] getValues() {
return super.getValues();
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.repository.query.CassandraParameterAccessor#getQueryOptions()
*/
@Nullable
@Override
public QueryOptions getQueryOptions() {
int queryOptionsIndex = getParameters().getQueryOptionsIndex();
Object value = (queryOptionsIndex != -1 ? getValue(queryOptionsIndex) : null);
return (QueryOptions) value;
}
}