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Add PostgreSQLSlotNameGenerator (#32496)
* Add PostgreSQLSlotNameGenerator * Add PostgreSQLSlotNameGenerator
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47 changes: 47 additions & 0 deletions
47
...rg/apache/shardingsphere/data/pipeline/postgresql/ingest/PostgreSQLSlotNameGenerator.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
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| package org.apache.shardingsphere.data.pipeline.postgresql.ingest; | ||
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| import lombok.AccessLevel; | ||
| import lombok.NoArgsConstructor; | ||
| import org.apache.commons.codec.digest.DigestUtils; | ||
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| import java.sql.Connection; | ||
| import java.sql.SQLException; | ||
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| /** | ||
| * PostgreSQL slot name generator. | ||
| */ | ||
| @NoArgsConstructor(access = AccessLevel.PRIVATE) | ||
| public final class PostgreSQLSlotNameGenerator { | ||
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| private static final String SLOT_NAME_PREFIX = "pipeline"; | ||
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| /** | ||
| * Get unique slot name by connection. | ||
| * | ||
| * @param connection connection | ||
| * @param slotNameSuffix slot name suffix | ||
| * @return unique name by connection | ||
| * @throws SQLException failed when get catalog | ||
| */ | ||
| public static String getUniqueSlotName(final Connection connection, final String slotNameSuffix) throws SQLException { | ||
| String slotName = DigestUtils.md5Hex(String.join("_", connection.getCatalog(), slotNameSuffix).getBytes()); | ||
| return String.format("%s_%s", SLOT_NAME_PREFIX, slotName); | ||
| } | ||
| } |
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38 changes: 38 additions & 0 deletions
38
...pache/shardingsphere/data/pipeline/postgresql/ingest/PostgreSQLSlotNameGeneratorTest.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
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| package org.apache.shardingsphere.data.pipeline.postgresql.ingest; | ||
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| import org.junit.jupiter.api.Test; | ||
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| import java.sql.Connection; | ||
| import java.sql.SQLException; | ||
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| import static org.hamcrest.CoreMatchers.is; | ||
| import static org.hamcrest.MatcherAssert.assertThat; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.when; | ||
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| class PostgreSQLSlotNameGeneratorTest { | ||
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| @Test | ||
| void assertGetUniqueSlotName() throws SQLException { | ||
| Connection connection = mock(Connection.class); | ||
| when(connection.getCatalog()).thenReturn("foo_catalog"); | ||
| assertThat(PostgreSQLSlotNameGenerator.getUniqueSlotName(connection, "foo_slot"), is("pipeline_9a2b4a79ce8b4fca2835b1e947c446eb")); | ||
| } | ||
| } |
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