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[TH2-5207] skip null values when writing to Cassandra (#258)
Co-authored-by: Oleg Smelov <[email protected]> Co-authored-by: nikita.smirnov <[email protected]>
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Jul 2, 2024
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128 changes: 128 additions & 0 deletions
128
...ssandra/src/main/java/com/exactpro/cradle/cassandra/dao/BoundStatementBuilderWrapper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| /* | ||
| * Copyright 2024 Exactpro (Exactpro Systems Limited) | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
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| package com.exactpro.cradle.cassandra.dao; | ||
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| import com.datastax.oss.driver.api.core.ConsistencyLevel; | ||
| import com.datastax.oss.driver.api.core.cql.BoundStatement; | ||
| import com.datastax.oss.driver.api.core.cql.BoundStatementBuilder; | ||
| import com.datastax.oss.driver.api.core.cql.PreparedStatement; | ||
| import edu.umd.cs.findbugs.annotations.NonNull; | ||
| import edu.umd.cs.findbugs.annotations.Nullable; | ||
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|
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| import java.nio.ByteBuffer; | ||
| import java.time.Duration; | ||
| import java.time.Instant; | ||
| import java.time.LocalDate; | ||
| import java.time.LocalTime; | ||
| import java.util.Set; | ||
| import java.util.function.Function; | ||
|
|
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| /** | ||
| * This wrapper skips null values to avoid tombstones creation in Cassandra tables | ||
| */ | ||
| public class BoundStatementBuilderWrapper { | ||
| private BoundStatementBuilder builder; | ||
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| public BoundStatementBuilderWrapper setConsistencyLevel(@Nullable ConsistencyLevel consistencyLevel) { | ||
| builder.setConsistencyLevel(consistencyLevel); | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setTimeout(@Nullable Duration timeout) { | ||
| builder.setTimeout(timeout); | ||
| return this; | ||
| } | ||
|
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| private BoundStatementBuilderWrapper(PreparedStatement statement) { | ||
| builder = statement.boundStatementBuilder(); | ||
| } | ||
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| public BoundStatementBuilderWrapper setBoolean(@NonNull String name, boolean v) { | ||
| builder = builder.setBoolean(name, v); | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setByte(@NonNull String name, byte v) { | ||
| builder = builder.setByte(name, v); | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setInt(@NonNull String name, int v) { | ||
| builder = builder.setInt(name, v); | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setLong(@NonNull String name, long v) { | ||
| builder = builder.setLong(name, v); | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setInstant(@NonNull String name, @Nullable Instant v) { | ||
| if (v != null) { | ||
| builder = builder.setInstant(name, v); | ||
| } | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setLocalDate(@NonNull String name, @Nullable LocalDate v) { | ||
| if (v != null) { | ||
| builder = builder.setLocalDate(name, v); | ||
| } | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setLocalTime(@NonNull String name, @Nullable LocalTime v) { | ||
| if (v != null) { | ||
| builder = builder.setLocalTime(name, v); | ||
| } | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setByteBuffer(@NonNull String name, @Nullable ByteBuffer v) { | ||
| if (v != null) { | ||
| builder = builder.setByteBuffer(name, v); | ||
| } | ||
| return this; | ||
| } | ||
|
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| public BoundStatementBuilderWrapper setString(@NonNull String name, @Nullable String v) { | ||
| if (v != null) { | ||
| builder = builder.setString(name, v); | ||
| } | ||
| return this; | ||
| } | ||
|
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| public <ElementT> BoundStatementBuilderWrapper setSet(@NonNull String name, @Nullable Set<ElementT> v, @NonNull Class<ElementT> elementsClass) { | ||
| if (v != null) { | ||
| builder = builder.setSet(name, v, elementsClass); | ||
| } | ||
| return this; | ||
| } | ||
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| public BoundStatementBuilderWrapper apply(Function<BoundStatementBuilder, BoundStatementBuilder> func) { | ||
| builder = func.apply(builder); | ||
| return this; | ||
| } | ||
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| public BoundStatement build() { | ||
| return builder.build(); | ||
| } | ||
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| public static BoundStatementBuilderWrapper builder(PreparedStatement statement) { | ||
| return new BoundStatementBuilderWrapper(statement); | ||
| } | ||
| } |
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