[jira] [Updated] (LANG-577) Add ObjectReference interface and two implementations
[
https://issues.apache.org/jira/browse/LANG-577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Henri Yandell updated LANG-577:
---
Fix Version/s: (was: 3.x)
Review Patch
> Add ObjectReference interface and two implementations
> -
>
> Key: LANG-577
> URL: https://issues.apache.org/jira/browse/LANG-577
> Project: Commons Lang
> Issue Type: New Feature
> Components: lang.*
>Reporter: Joerg Schaible
>Assignee: Joerg Schaible
>Priority: Minor
> Fix For: Review Patch
>
> Attachments: reference.diff
>
>
> In some situations it would be helpful to use a reference to an object, e.g.
> for parameters by reference
> {code:java}
> void doSomething(ObjectReference ref) {
> ref.set("Hello");
> }
> {code}
> or for anonymous methods
> {code:java}
> final ObjectReference ref = new MemoryReference();
> final Runnable r = new Runnable() {
> void run() {
> ref.set("Hello");
> }
> }
> r.run();
> {code}
> Additionally it is sometimes useful to keep the reference in other places
> than in shared memory, e.g. in a ThreadLocal or in case of a web application
> in a scoped reference or even in combination with some other persistence
> mechanism. Basically I am proposing the interface ObjectReference:
> {code:Java}
> /**
> * Interface to reference an object.
> *
> * @param the type of the referenced object
> * @author Apache Software Foundation
> * @since 3.0
> */
> public interface ObjectReference {
> /**
> * Getter for the referenced object.
> *
> * @return the object or null
> */
> T get();
> /**
> * Setter for the reference.
> *
> * @param object the object to reference (may be null)
> */
> void set(T object);
> }
> {code}
> and the two implementations MemoryReference and ThreadLocalReference in the
> new package org.apache.commons.lang3.reference. I've seen such or similar
> types in various libraries.
> Comments?
> Unit test will be provided also.
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[jira] Updated: (LANG-577) Add ObjectReference interface and two implementations
[
https://issues.apache.org/jira/browse/LANG-577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Henri Yandell updated LANG-577:
---
Fix Version/s: (was: 3.0)
3.1
No backwards compat issues, so moving to 3.1. If resolved before 3.0 is
released please assign to 3.0.
> Add ObjectReference interface and two implementations
> -
>
> Key: LANG-577
> URL: https://issues.apache.org/jira/browse/LANG-577
> Project: Commons Lang
> Issue Type: New Feature
> Components: lang.*
>Reporter: Joerg Schaible
>Assignee: Joerg Schaible
>Priority: Minor
> Fix For: 3.1
>
> Attachments: reference.diff
>
>
> In some situations it would be helpful to use a reference to an object, e.g.
> for parameters by reference
> {code:java}
> void doSomething(ObjectReference ref) {
> ref.set("Hello");
> }
> {code}
> or for anonymous methods
> {code:java}
> final ObjectReference ref = new MemoryReference();
> final Runnable r = new Runnable() {
> void run() {
> ref.set("Hello");
> }
> }
> r.run();
> {code}
> Additionally it is sometimes useful to keep the reference in other places
> than in shared memory, e.g. in a ThreadLocal or in case of a web application
> in a scoped reference or even in combination with some other persistence
> mechanism. Basically I am proposing the interface ObjectReference:
> {code:Java}
> /**
> * Interface to reference an object.
> *
> * @param the type of the referenced object
> * @author Apache Software Foundation
> * @since 3.0
> */
> public interface ObjectReference {
> /**
> * Getter for the referenced object.
> *
> * @return the object or null
> */
> T get();
> /**
> * Setter for the reference.
> *
> * @param object the object to reference (may be null)
> */
> void set(T object);
> }
> {code}
> and the two implementations MemoryReference and ThreadLocalReference in the
> new package org.apache.commons.lang3.reference. I've seen such or similar
> types in various libraries.
> Comments?
> Unit test will be provided also.
--
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[jira] Updated: (LANG-577) Add ObjectReference interface and two implementations
[
https://issues.apache.org/jira/browse/LANG-577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Joerg Schaible updated LANG-577:
Attachment: reference.diff
> Add ObjectReference interface and two implementations
> -
>
> Key: LANG-577
> URL: https://issues.apache.org/jira/browse/LANG-577
> Project: Commons Lang
> Issue Type: New Feature
> Components: lang.*
>Reporter: Joerg Schaible
>Assignee: Joerg Schaible
>Priority: Minor
> Fix For: 3.0
>
> Attachments: reference.diff
>
>
> In some situations it would be helpful to use a reference to an object, e.g.
> for parameters by reference
> {code:java}
> void doSomething(ObjectReference ref) {
> ref.set("Hello");
> }
> {code}
> or for anonymous methods
> {code:java}
> final ObjectReference ref = new MemoryReference();
> final Runnable r = new Runnable() {
> void run() {
> ref.set("Hello");
> }
> }
> r.run();
> {code}
> Additionally it is sometimes useful to keep the reference in other places
> than in shared memory, e.g. in a ThreadLocal or in case of a web application
> in a scoped reference or even in combination with some other persistence
> mechanism. Basically I am proposing the interface ObjectReference:
> {code:Java}
> /**
> * Interface to reference an object.
> *
> * @param the type of the referenced object
> * @author Apache Software Foundation
> * @since 3.0
> */
> public interface ObjectReference {
> /**
> * Getter for the referenced object.
> *
> * @return the object or null
> */
> T get();
> /**
> * Setter for the reference.
> *
> * @param object the object to reference (may be null)
> */
> void set(T object);
> }
> {code}
> and the two implementations MemoryReference and ThreadLocalReference in the
> new package org.apache.commons.lang3.reference. I've seen such or similar
> types in various libraries.
> Comments?
> Unit test will be provided also.
--
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