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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.core.cql;
import org.springframework.lang.Nullable;
import com.datastax.driver.core.BoundStatement;
import com.datastax.driver.core.PreparedStatement;
import com.datastax.driver.core.exceptions.DriverException;
/**
* Simple adapter for {@link PreparedStatementBinder} that applies a given array of arguments.
*
* @author Mark Paluch
* @since 2.0
*/
public class ArgumentPreparedStatementBinder implements PreparedStatementBinder {
private final @Nullable Object[] args;
/**
* Create a new {@link ArgumentPreparedStatementBinder} for the given arguments.
*
* @param args the arguments to set. May be empty or {@link null} if no arguments are provided.
*/
public ArgumentPreparedStatementBinder(@Nullable Object... args) {
this.args = args;
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.core.cql.PreparedStatementBinder#bindValues(com.datastax.driver.core.PreparedStatement)
*/
@Override
public BoundStatement bindValues(PreparedStatement ps) throws DriverException {
return args != null ? ps.bind(args) : ps.bind();
}
}