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Merge pull request #50 from openepcis/EDG-39_sensor_report_randomizer
EDG-39: Adding support to random values in SensorReport double fields
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126 changes: 15 additions & 111 deletions
126
...tor-common/src/main/java/io/openepcis/testdata/generator/format/RandomValueGenerator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,122 +1,26 @@ | ||
| /* | ||
| * Copyright 2022-2024 benelog GmbH & Co. KG | ||
| * | ||
| * 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.openepcis.testdata.generator.format; | ||
|
|
||
| import io.openepcis.testdata.generator.constants.RandomizationType; | ||
| import io.openepcis.testdata.generator.constants.TestDataGeneratorException; | ||
| import io.quarkus.runtime.annotations.RegisterForReflection; | ||
|
|
||
| import java.nio.charset.StandardCharsets; | ||
| import java.security.SecureRandom; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import io.openepcis.testdata.generator.template.RandomGenerators; | ||
| import lombok.AccessLevel; | ||
| import lombok.NoArgsConstructor; | ||
| import org.apache.commons.math3.distribution.TriangularDistribution; | ||
| import org.apache.commons.math3.random.MersenneTwister; | ||
| import org.apache.commons.math3.random.RandomGenerator; | ||
|
|
||
| import java.util.List; | ||
|
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| @NoArgsConstructor(access = AccessLevel.PRIVATE) | ||
| @RegisterForReflection | ||
| public class RandomValueGenerator { | ||
|
|
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| private SecureRandom random = new SecureRandom(); | ||
|
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| private static final RandomValueGenerator INSTANCE = new RandomValueGenerator(); | ||
|
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| public static final RandomValueGenerator getInstance() { | ||
| return INSTANCE; | ||
| } | ||
| public List<String> randomGenerator( | ||
| RandomizationType type, int minLength, int maxLength, int randomCount) { | ||
| return switch (type) { | ||
| case ALPHA_NUMERIC: | ||
| yield alphaNumericGenerator(minLength, maxLength, randomCount); | ||
| case URL_SAFE_CHARACTERS: | ||
| yield urlSafeGenerator(minLength, maxLength, randomCount); | ||
| default: | ||
| yield numericGenerator(minLength, maxLength, randomCount); | ||
| }; | ||
| } | ||
|
|
||
| // If Numeric random values needs to be generated | ||
| public List<String> numericGenerator(int minLength, int maxLength, int randomCount) { | ||
| try { | ||
| final List<String> randomList = new ArrayList<>(); | ||
| final var numericRandomSet = "1234567890"; | ||
|
|
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| for (var id = 0; id < randomCount; id++) { | ||
| var randomID = new StringBuilder(); | ||
| final int charPicker = minLength + random.nextInt(maxLength - minLength + 1); | ||
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| for (var i = 0; i < charPicker; i++) { | ||
| randomID.append(numericRandomSet.charAt(random.nextInt(numericRandomSet.length()))); | ||
| } | ||
| randomList.add(randomID.toString()); | ||
| } | ||
| return randomList; | ||
| } catch (Exception ex) { | ||
| throw new TestDataGeneratorException( | ||
| "Exception occurred during creation of seral numbers in Random Numeric format, Please check the values provided values for Identifiers random values : " | ||
| + ex.getMessage(), ex); | ||
| } | ||
| } | ||
|
|
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| // If Alphanumeric random values needs to be generated | ||
| public List<String> alphaNumericGenerator(int minLength, int maxLength, int randomCount) { | ||
| try { | ||
| final var alphaNumericRandomSet = | ||
| "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; | ||
| final List<String> randomList = new ArrayList<>(); | ||
|
|
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| for (var id = 0; id < randomCount; id++) { | ||
| var randomID = new StringBuilder(); | ||
| final int charPicker = minLength + random.nextInt(maxLength - minLength + 1); | ||
|
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| for (var i = 0; i < charPicker; i++) { | ||
| randomID.append( | ||
| alphaNumericRandomSet.charAt(random.nextInt(alphaNumericRandomSet.length()))); | ||
| } | ||
| randomList.add(randomID.toString()); | ||
| } | ||
| return randomList; | ||
| } catch (Exception ex) { | ||
| throw new TestDataGeneratorException( | ||
| "Exception occurred during creation of seral numbers in Random Alphanumeric format, Please check the values provided values for Identifiers random values : " | ||
| + ex.getMessage(), ex); | ||
| } | ||
| } | ||
|
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| // If URL Safe random values needs to be generated | ||
| public List<String> urlSafeGenerator(int minLength, int maxLength, int randomCount) { | ||
| try { | ||
| final var urlSafeRandomSet = "abcdefghijklmnopqrstuvwxyz0123456789-_"; | ||
| final List<String> randomList = new ArrayList<>(); | ||
|
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| for (var id = 0; id < randomCount; id++) { | ||
| var randomID = new StringBuilder(); | ||
| final int charPicker = minLength + random.nextInt(maxLength - minLength + 1); | ||
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| for (var i = 0; i < charPicker; i++) { | ||
| randomID.append(urlSafeRandomSet.charAt(random.nextInt(urlSafeRandomSet.length()))); | ||
| //Method to generate the Mersenne Twister instance for each of the RandomGenerators to get subsequent numbers when used multiple times | ||
| public static void generateInstance(final List<RandomGenerators> randomGenerators) { | ||
| if (randomGenerators != null) { | ||
| randomGenerators.forEach(r -> { | ||
| // Initialize Mersenne Twister with the seed | ||
| final RandomGenerator random = new MersenneTwister(r.getSeedValue()); | ||
| final TriangularDistribution triangularDistribution = new TriangularDistribution(random, r.getMinValue(), r.getMeanValue(), r.getMaxValue()); | ||
| r.setTriangularDistribution(triangularDistribution); | ||
| }); | ||
| } | ||
| randomList.add(randomID.toString()); | ||
| } | ||
| return randomList; | ||
| } catch (Exception ex) { | ||
| throw new TestDataGeneratorException( | ||
| "Exception occurred during creation of seral numbers in Random Alphanumeric with special characters, Please check the values provided values for Identifiers random values : " | ||
| + ex.getMessage(), ex); | ||
| } | ||
| } | ||
| } |
61 changes: 61 additions & 0 deletions
61
...enerator-common/src/main/java/io/openepcis/testdata/generator/format/ValueTypeSyntax.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package io.openepcis.testdata.generator.format; | ||
|
|
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| import io.openepcis.testdata.generator.constants.TestDataGeneratorException; | ||
| import io.openepcis.testdata.generator.template.RandomGenerators; | ||
| import io.quarkus.runtime.annotations.RegisterForReflection; | ||
| import jakarta.validation.constraints.NotNull; | ||
| import lombok.Getter; | ||
| import lombok.Setter; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.eclipse.microprofile.openapi.annotations.enums.SchemaType; | ||
| import org.eclipse.microprofile.openapi.annotations.media.Schema; | ||
|
|
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| import java.io.Serializable; | ||
| import java.util.List; | ||
|
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| @Setter | ||
| @Getter | ||
| @RegisterForReflection | ||
| public class ValueTypeSyntax implements Serializable { | ||
| @NotNull(message = "Type cannot be Null for Static/Random value generation") | ||
| @Schema(type = SchemaType.STRING, description = "Type of the Static/Random value generation static/random.") | ||
| private String type; | ||
|
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| @Schema(type = SchemaType.NUMBER, description = "Static value if the type is static.") | ||
| private double staticValue; | ||
|
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| @Schema(type = SchemaType.INTEGER, description = "randomID associated to randomGenerators if the type is random.") | ||
| private int randomID; | ||
|
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| // Method to get the value, either static or generated randomly | ||
| public double getValue(final List<RandomGenerators> randomGenerators) { | ||
| if (this.type.equals("static")) { | ||
| return this.staticValue; | ||
| } else if (this.type.equals("random") && randomGenerators != null) { | ||
| return generateRandomValue(randomGenerators); | ||
| } | ||
|
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| throw new TestDataGeneratorException("Unknown type for Value generation : " + this.type); | ||
| } | ||
|
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| private double generateRandomValue(final List<RandomGenerators> randomGenerators) { | ||
| // Find the corresponding RandomGenerators entry | ||
| final RandomGenerators generatorConfig = randomGenerators.stream() | ||
| .filter(r -> r.getRandomID() == this.randomID) | ||
| .findFirst() | ||
| .orElseThrow(() -> new IllegalArgumentException("No generator found for randomID: " + randomID)); | ||
|
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| double sample = generatorConfig.getTriangularDistribution().sample(); // Generate and return the random value | ||
|
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| //If user specified format for RandomGenerator then format based on specific format | ||
| if(!StringUtils.isBlank(generatorConfig.getFormatValue())){ | ||
| try{ | ||
| return Double.parseDouble(String.format(generatorConfig.getFormatValue(), sample)); | ||
| }catch (Exception ex){ | ||
| throw new TestDataGeneratorException("Invalid format value provided for formatting Random value : " + ex.getMessage(), ex); | ||
| } | ||
| } | ||
|
|
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| return Double.parseDouble(String.format("%.3f", sample)); | ||
| } | ||
| } |
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