diff options
Diffstat (limited to 'ms/blueprintsprocessor/modules/blueprints/blueprint-core/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/core/utils/BluePrintIOUtils.kt')
-rw-r--r-- | ms/blueprintsprocessor/modules/blueprints/blueprint-core/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/core/utils/BluePrintIOUtils.kt | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/ms/blueprintsprocessor/modules/blueprints/blueprint-core/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/core/utils/BluePrintIOUtils.kt b/ms/blueprintsprocessor/modules/blueprints/blueprint-core/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/core/utils/BluePrintIOUtils.kt new file mode 100644 index 000000000..d29fed0d9 --- /dev/null +++ b/ms/blueprintsprocessor/modules/blueprints/blueprint-core/src/main/kotlin/org/onap/ccsdk/cds/controllerblueprints/core/utils/BluePrintIOUtils.kt @@ -0,0 +1,41 @@ +/* + * Copyright © 2019 IBM. + * + * 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 org.onap.ccsdk.cds.controllerblueprints.core.utils + +object BluePrintIOUtils { + + suspend fun <T> retry( + times: Int = 1, + initialDelay: Long = 0, + delay: Long = 1000, + block: suspend (Int) -> T, + exceptionBlock: (e: Exception) -> Unit + ): T { + var currentDelay = initialDelay + val currentTimes = times - 1 + repeat(currentTimes) { count -> + try { + return block(count) + } catch (e: Exception) { + exceptionBlock(e) + } + kotlinx.coroutines.delay(currentDelay) + currentDelay = delay + } + return block(currentTimes) + } +} |