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https://github.com/meliorartefacts/service-harness-legacy-corba
An easy to use, auto-configuring legacy CORBA client with connection pooling and automatic failure handling.
https://github.com/meliorartefacts/service-harness-legacy-corba
connection-pool corba spring-boot spring-client
Last synced: about 2 months ago
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An easy to use, auto-configuring legacy CORBA client with connection pooling and automatic failure handling.
- Host: GitHub
- URL: https://github.com/meliorartefacts/service-harness-legacy-corba
- Owner: MeliorArtefacts
- Created: 2022-07-05T15:05:13.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2023-01-24T20:05:26.000Z (almost 2 years ago)
- Last Synced: 2023-12-04T19:59:18.036Z (about 1 year ago)
- Topics: connection-pool, corba, spring-boot, spring-client
- Language: Java
- Homepage:
- Size: 137 KB
- Stars: 2
- Watchers: 2
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Melior Service Harness :: Legacy : CORBA
## Artefact
Get the artefact and the POM file in the *artefact* folder.
```
org.melior
melior-harness-legacy-corba
2.3
```
## Client
Create a bean to instantiate the CORBA client. The CORBA client uses connection pooling to improve performance.
```
@Bean("myclient")
@ConfigurationProperties("myclient")
public CorbaClient client() {
return CorbaClientBuilder.create()
.stub(c -> MyInterfaceHelper.narrow(c))
.exception(e -> new RemotingException(e.myErrId, e.myErrText))
.build();
}
```
The CORBA client is auto-configured from the application properties.
```
myclient.url=corbaloc::some.service:12345/some.name
myclient.request-timeout=30
myclient.inactivity-timeout=300
```
Wire in and use the CORBA client.
```
@Autowired
@Qualifier("myclient")
private CorbaClient client;
public void foo(Person person) throws RemotingException {
client.execute((c) -> c.addPerson(person));
}
```
The CORBA client may be configured using these application properties.
|Name|Default|Description|
|:---|:---|:---|
|`url`||The URL of the CORBA service|
|`minimum-connections`|0|The minimum number of connections to open to the CORBA service|
|`maximum-connections`|1000|The maximum number of connections to open to the CORBA service|
|`connection-timeout`|30 s|The amount of time to allow for a new connection to open to the CORBA service|
|`validate-on-borrow`|false|Indicates if a connection must be validated when it is borrowed from the JDBC connection pool|
|`validation-timeout`|5 s|The amount of time to allow for a connection to be validated|
|`request-timeout`|60 s|The amount of time to allow for a request to the CORBA service to complete|
|`backoff-period`|1 s|The amount of time to back off when the circuit breaker trips|
|`backoff-multiplier`|1|The factor with which to increase the backoff period when the circuit breaker trips repeatedly|
|`backoff-limit`||The maximum amount of time to back off when the circuit breaker trips repeatedly|
|`inactivity-timeout`|300 s|The amount of time to allow before surplus connections to the CORBA service are pruned|
|`maximum-lifetime`|unlimited|The maximum lifetime of a connection to the CORBA service|
|`prune-interval`|60 s|The interval at which surplus connections to the CORBA service are pruned|
## References
Refer to the [**Melior Service Harness :: Core**](https://github.com/MeliorArtefacts/service-harness-core) module for detail on the Melior logging system and available utilities.