org.springframework.data.relational.core.sql.DefaultInsert Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of spring-data-relational Show documentation
Show all versions of spring-data-relational Show documentation
Spring Data Relational support
/*
* Copyright 2019-2023 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.relational.core.sql;
import java.util.ArrayList;
import java.util.List;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Default {@link Insert} implementation.
*
* @author Mark Paluch
* @since 1.1
*/
class DefaultInsert implements Insert {
private final Into into;
private final List columns;
private final Values values;
DefaultInsert(@Nullable Table into, List columns, List values) {
this.into = new Into(into);
this.columns = new ArrayList<>(columns);
this.values = new Values(new ArrayList<>(values));
}
@Override
public void visit(Visitor visitor) {
Assert.notNull(visitor, "Visitor must not be null");
visitor.enter(this);
into.visit(visitor);
columns.forEach(it -> it.visit(visitor));
values.visit(visitor);
visitor.leave(this);
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("INSERT ").append(this.into);
if (!this.columns.isEmpty()) {
builder.append(" (").append(StringUtils.collectionToDelimitedString(this.columns, ", ")).append(")");
}
builder.append(" ").append(this.values);
return builder.toString();
}
}