org.mybatis.dynamic.sql.AbstractListValueCondition Maven / Gradle / Ivy
/**
* Copyright 2016-2019 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.mybatis.dynamic.sql;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Objects;
import java.util.function.Function;
import java.util.function.UnaryOperator;
import java.util.stream.Stream;
public abstract class AbstractListValueCondition implements VisitableCondition {
protected Collection values;
protected UnaryOperator> valueStreamTransformer;
protected AbstractListValueCondition(Collection values) {
this(values, UnaryOperator.identity());
}
protected AbstractListValueCondition(Collection values, UnaryOperator> valueStreamTransformer) {
this.values = new ArrayList<>(Objects.requireNonNull(values));
this.valueStreamTransformer = Objects.requireNonNull(valueStreamTransformer);
}
public final Stream mapValues(Function mapper) {
return valueStreamTransformer.apply(values.stream()).map(mapper);
}
@Override
public R accept(ConditionVisitor visitor) {
return visitor.visit(this);
}
public abstract String renderCondition(String columnName, Stream placeholders);
}