diff options
Diffstat (limited to 'sources/hv-collector-utils')
2 files changed, 81 insertions, 0 deletions
diff --git a/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/time.kt b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/time.kt new file mode 100644 index 00000000..c07da670 --- /dev/null +++ b/sources/hv-collector-utils/src/main/kotlin/org/onap/dcae/collectors/veshv/utils/time.kt @@ -0,0 +1,37 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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.dcae.collectors.veshv.utils + +import java.time.Instant + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since December 2018 + */ +object TimeUtils { + fun epochMicroToInstant(epochMicroseconds: Long): Instant { + val seconds = epochMicroseconds / MICROSECONDS_IN_SECOND + val nanos = (epochMicroseconds - seconds * MICROSECONDS_IN_SECOND) * NANOSECONDS_IN_MICROSECOND + return Instant.ofEpochSecond(seconds, nanos) + } + + private const val MICROSECONDS_IN_SECOND = 1_000_000L + private const val NANOSECONDS_IN_MICROSECOND = 1_000L +} diff --git a/sources/hv-collector-utils/src/test/kotlin/org/onap/dcae/collectors/veshv/utils/time_test.kt b/sources/hv-collector-utils/src/test/kotlin/org/onap/dcae/collectors/veshv/utils/time_test.kt new file mode 100644 index 00000000..3ec74ab7 --- /dev/null +++ b/sources/hv-collector-utils/src/test/kotlin/org/onap/dcae/collectors/veshv/utils/time_test.kt @@ -0,0 +1,44 @@ +/* + * ============LICENSE_START======================================================= + * dcaegen2-collectors-veshv + * ================================================================================ + * Copyright (C) 2018 NOKIA + * ================================================================================ + * 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.dcae.collectors.veshv.utils + +import org.assertj.core.api.Assertions.assertThat +import org.jetbrains.spek.api.Spek +import org.jetbrains.spek.api.dsl.describe +import org.jetbrains.spek.api.dsl.it +import java.time.Instant + +/** + * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com> + * @since December 2018 + */ +internal object TimeTest : Spek({ + describe("epochMicrosecond to Instant converter") { + it("should convert") { + val epochSeconds = 1545048422L + val nanoAdjustment = 666999000L + val epochMicros = 1545048422666999L + + val result = TimeUtils.epochMicroToInstant(epochMicros) + + assertThat(result).isEqualTo(Instant.ofEpochSecond(epochSeconds, nanoAdjustment)) + } + } +}) |