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/*
* 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.ArrayList;
import java.util.Collections;
import java.util.List;
import org.springframework.data.repository.query.Parameter;
import org.springframework.data.repository.query.QueryMethodEvaluationContextProvider;
import org.springframework.expression.EvaluationContext;
import org.springframework.expression.Expression;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;
/**
* {@link ExpressionEvaluatingParameterBinder} allows to evaluate, convert and bind parameters to placeholders within a
* {@link String}.
*
* @author Mark Paluch
* @since 1.5
*/
class ExpressionEvaluatingParameterBinder {
private final SpelExpressionParser expressionParser;
private final QueryMethodEvaluationContextProvider evaluationContextProvider;
/**
* Creates new {@link ExpressionEvaluatingParameterBinder}
*
* @param expressionParser must not be {@literal null}.
* @param evaluationContextProvider must not be {@literal null}.
*/
ExpressionEvaluatingParameterBinder(SpelExpressionParser expressionParser,
QueryMethodEvaluationContextProvider evaluationContextProvider) {
Assert.notNull(expressionParser, "ExpressionParser must not be null");
Assert.notNull(evaluationContextProvider, "EvaluationContextProvider must not be null");
this.expressionParser = expressionParser;
this.evaluationContextProvider = evaluationContextProvider;
}
/**
* Bind values provided by {@link CassandraParameterAccessor} to placeholders in {@link BindingContext} while
* considering potential conversions and parameter types.
*
* @param parameterAccessor must not be {@literal null}.
* @param bindingContext must not be {@literal null}.
* @return {@literal null} if given {@code raw} value is empty.
*/
public List