io.rxmicro.data.sql.r2dbc.postgresql.detail.AbstractPostgreSQLRepository Maven / Gradle / Ivy
/*
* Copyright (c) 2020. https://rxmicro.io
*
* 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 io.rxmicro.data.sql.r2dbc.postgresql.detail;
import io.rxmicro.data.sql.r2dbc.detail.AbstractR2DBCRepository;
import static io.rxmicro.common.util.Formats.FORMAT_PLACEHOLDER_CHAR;
/**
* Used by generated code that created by the {@code RxMicro Annotation Processor}.
*
*
* Represents a base class for the PostgreSQL data repository implementations.
*
*
* Read more:
*
* https://docs.rxmicro.io/latest/user-guide/data-postgresql.html#data-postgresql-section
*
*
* @author nedis
* @since 0.1
*/
public abstract class AbstractPostgreSQLRepository extends AbstractR2DBCRepository {
/**
* Creates an instance of {@link AbstractPostgreSQLRepository} type.
*
* @param repositoryInterface the specified repository interface
*/
protected AbstractPostgreSQLRepository(final Class repositoryInterface) {
super(repositoryInterface);
}
/**
* Replaces the universal placeholders.
*
* @param customSQL the custom SQL statement
* @return the custom SQL statement with replaced universal placeholders
*/
protected final String replaceUniversalPlaceholder(final String customSQL) {
if (customSQL.indexOf(FORMAT_PLACEHOLDER_CHAR) == -1) {
return customSQL;
} else {
int index = 1;
final StringBuilder sqlBuilder = new StringBuilder(customSQL.length() + 5);
for (int i = 0; i < customSQL.length(); i++) {
final char ch = customSQL.charAt(i);
if (ch == FORMAT_PLACEHOLDER_CHAR) {
sqlBuilder.append('$').append(index++);
} else {
sqlBuilder.append(ch);
}
}
return sqlBuilder.toString();
}
}
}