| 1 | /* |
| 2 | * Copyright 2006-2007 the original author or authors. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.springframework.batch.retry.context; |
| 18 | |
| 19 | import org.springframework.batch.retry.RetryContext; |
| 20 | import org.springframework.batch.retry.RetryPolicy; |
| 21 | import org.springframework.core.AttributeAccessorSupport; |
| 22 | |
| 23 | public class RetryContextSupport extends AttributeAccessorSupport implements RetryContext { |
| 24 | |
| 25 | private boolean terminate = false; |
| 26 | |
| 27 | private int count; |
| 28 | |
| 29 | private Throwable lastException; |
| 30 | |
| 31 | private RetryContext parent; |
| 32 | |
| 33 | public RetryContextSupport(RetryContext parent) { |
| 34 | super(); |
| 35 | this.parent = parent; |
| 36 | } |
| 37 | |
| 38 | public RetryContext getParent() { |
| 39 | return this.parent; |
| 40 | } |
| 41 | |
| 42 | public boolean isExhaustedOnly() { |
| 43 | return terminate; |
| 44 | } |
| 45 | |
| 46 | public void setExhaustedOnly() { |
| 47 | terminate = true; |
| 48 | } |
| 49 | |
| 50 | public int getRetryCount() { |
| 51 | return count; |
| 52 | } |
| 53 | |
| 54 | public Throwable getLastThrowable() { |
| 55 | return lastException; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Set the exception for the public interface {@link RetryContext}, and |
| 60 | * also increment the retry count if the throwable is non-null.<br/> |
| 61 | * |
| 62 | * All {@link RetryPolicy} implementations should use this method when they |
| 63 | * register the throwable. It should only be called once per retry attempt |
| 64 | * because it increments the conter.<br/> |
| 65 | * |
| 66 | * Use of this method is not enforced by the framework - it is a service |
| 67 | * provider contract for authors of policies. |
| 68 | * |
| 69 | * @param throwable the exception that caused the current retry attempt to |
| 70 | * fail. |
| 71 | */ |
| 72 | public void registerThrowable(Throwable throwable) { |
| 73 | this.lastException = throwable; |
| 74 | if (throwable != null) |
| 75 | count++; |
| 76 | } |
| 77 | |
| 78 | } |