org.mybatis.dynamic.sql.AbstractTwoValueCondition Maven / Gradle / Ivy
/**
* 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.mybatis.dynamic.sql;
import java.util.Objects;
import java.util.function.BiPredicate;
import java.util.function.Supplier;
public abstract class AbstractTwoValueCondition implements VisitableCondition {
protected Supplier valueSupplier1;
protected Supplier valueSupplier2;
private BiPredicate predicate;
protected AbstractTwoValueCondition(Supplier valueSupplier1, Supplier valueSupplier2) {
this.valueSupplier1 = Objects.requireNonNull(valueSupplier1);
this.valueSupplier2 = Objects.requireNonNull(valueSupplier2);
predicate = (v1, v2) -> true;
}
protected AbstractTwoValueCondition(Supplier valueSupplier1, Supplier valueSupplier2,
BiPredicate predicate) {
this(valueSupplier1, valueSupplier2);
this.predicate = Objects.requireNonNull(predicate);
}
public T value1() {
return valueSupplier1.get();
}
public T value2() {
return valueSupplier2.get();
}
@Override
public boolean shouldRender() {
return predicate.test(value1(), value2());
}
@Override
public R accept(ConditionVisitor visitor) {
return visitor.visit(this);
}
public abstract String renderCondition(String columnName, String placeholder1, String placeholder2);
}