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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2018 Nokia. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.pnfsimulator.simulator;
import io.vavr.Function0;
import io.vavr.Function1;
import io.vavr.Function2;
import java.time.Instant;
import java.util.Random;
import org.apache.commons.lang3.RandomStringUtils;
class KeywordsValueProvider {
private KeywordsValueProvider() {
}
static final int DEFAULT_STRING_LENGTH = 20;
public static final int RANDOM_INTEGER_MAX_LIMITATION = 9;
public static final int RANDOM_INTEGER_MIN_LIMITATION = 0;
private static Function2<Integer, Integer, Integer> bigger = (left, right) -> left >= right ? left : right;
private static Function2<Integer, Integer, Integer> smaller = (left, right) -> left < right ? left : right;
private static Function2<Integer, Integer, Integer> randomPrimitiveIntegerFromSortedRange = (min, max) -> new Random().nextInt(max - min + 1) + min;
private static Function2<Integer, Integer, String> randomIntegerFromSortedRange = (min, max) -> Integer.toString(new Random().nextInt(max - min + 1) + min);
private static Function1<Integer, String> randomString = RandomStringUtils::randomAscii;
private static Function2<Integer, Integer, String> randomInteger = (left, right) -> randomIntegerFromSortedRange.apply(smaller.apply(left, right), bigger.apply(left, right));
private static Function0<String> randomLimitedInteger = () -> randomInteger.apply(RANDOM_INTEGER_MIN_LIMITATION, RANDOM_INTEGER_MAX_LIMITATION);
private static Function0<String> randomLimitedString = () -> RandomStringUtils.randomAscii(DEFAULT_STRING_LENGTH);
private static Function0<String> epochSecond = () -> Long.toString(Instant.now().getEpochSecond());
private static Function2<Integer, Integer, Long> randomPrimitiveInteger = (left, right) -> randomPrimitiveIntegerFromSortedRange.apply(smaller.apply(left, right), bigger.apply(left, right)).longValue();
private static Function0<Long> timestampPrimitive = () -> Instant.now().getEpochSecond();
public static Function1<Integer, String> getRandomString() {
return randomString;
}
public static Function2<Integer, Integer, String> getRandomInteger() {
return randomInteger;
}
public static Function0<String> getRandomLimitedInteger() {
return randomLimitedInteger;
}
public static Function0<String> getRandomLimitedString() {
return randomLimitedString;
}
public static Function0<String> getEpochSecond() {
return epochSecond;
}
public static Function2<Integer, Integer, Long> getRandomPrimitiveInteger() {
return randomPrimitiveInteger;
}
public static Function0<Long> getTimestampPrimitive() {
return timestampPrimitive;
}
}
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