Strolch
/
strolch
mirror of https://github.com/strolch-li/strolch.git
1
1
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[New] added ObjectFilter.getAll() further informations 

added ObjectFilter.getAll(Class, String) and
ObjectFilter.getAll(Class<V> clazz)
This commit is contained in:
Robert von Burg 2013-10-20 00:17:20 +02:00
parent 200f2081ec
commit f176960ba9
1 changed files with 83 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

96
src/main/java/ch/eitchnet/utils/objectfilter/ObjectFilter.java
View File

@ -125,7 +125,7 @@ public class ObjectFilter {
public void add(String key, Object objectToAdd) {
if (ObjectFilter.logger.isDebugEnabled())
ObjectFilter.logger.debug("add object " + objectToAdd + " with key " + key);
ObjectFilter.logger.debug(MessageFormat.format("add object {0} with key {1}", objectToAdd, key)); //$NON-NLS-1$
// BEWARE: you fix a bug here, be sure to update BOTH tables on the logic.
ObjectCache cached = this.cache.get(objectToAdd);
@ -140,7 +140,7 @@ public class ObjectFilter {
String existingKey = cached.getKey();
if (!existingKey.equals(key)) {
String msg = "Invalid key provided for object with transaction ID {0} and operation {1}: existing key is {2}, new key is {3}. Object may be present in the same filter instance only once, registered using one key only. Object:{4}";
String msg = "Invalid key provided for object with transaction ID {0} and operation {1}: existing key is {2}, new key is {3}. Object may be present in the same filter instance only once, registered using one key only. Object:{4}"; //$NON-NLS-1$
throw new IllegalArgumentException(MessageFormat.format(msg, Long.toString(id),
Operation.ADD.toString(), existingKey, key, objectToAdd.toString()));
}
@ -150,9 +150,9 @@ public class ObjectFilter {
Operation op = cached.getOperation();
switch (op) {
case ADD:
throw new IllegalStateException("Stale State exception: Invalid + after +");
throw new IllegalStateException("Stale State exception: Invalid + after +"); //$NON-NLS-1$
case MODIFY:
throw new IllegalStateException("Stale State exception: Invalid + after +=");
throw new IllegalStateException("Stale State exception: Invalid + after +="); //$NON-NLS-1$
case REMOVE:
// replace key if necessary
replaceKey(cached.getObject(), objectToAdd);
@ -161,6 +161,8 @@ public class ObjectFilter {
cached.setObject(objectToAdd);
cached.setOperation(Operation.MODIFY);
break;
default:
throw new IllegalStateException("Stale State exception: Unhandled state " + op); //$NON-NLS-1$
} // switch
}// else of object not in cache
@ -171,7 +173,7 @@ public class ObjectFilter {
private void replaceKey(Object oldObject, Object newObject) {
if (oldObject != newObject) {
if (ObjectFilter.logger.isDebugEnabled()) {
String msg = "Replacing key for object as they are not the same reference: old: {0} / new: {1}";
String msg = "Replacing key for object as they are not the same reference: old: {0} / new: {1}"; //$NON-NLS-1$
msg = MessageFormat.format(msg, oldObject, newObject);
ObjectFilter.logger.warn(msg);
}
@ -207,7 +209,7 @@ public class ObjectFilter {
public void update(String key, Object objectToUpdate) {
if (ObjectFilter.logger.isDebugEnabled())
ObjectFilter.logger.debug("update object " + objectToUpdate + " with key " + key);
ObjectFilter.logger.debug(MessageFormat.format("update object {0} with key {1}", objectToUpdate, key)); //$NON-NLS-1$
// BEWARE: you fix a bug here, be sure to update BOTH tables on the logic.
ObjectCache cached = this.cache.get(objectToUpdate);
@ -222,7 +224,7 @@ public class ObjectFilter {
String existingKey = cached.getKey();
if (!existingKey.equals(key)) {
String msg = "Invalid key provided for object with transaction ID {0} and operation {1}: existing key is {2}, new key is {3}. Object may be present in the same filter instance only once, registered using one key only. Object:{4}";
String msg = "Invalid key provided for object with transaction ID {0} and operation {1}: existing key is {2}, new key is {3}. Object may be present in the same filter instance only once, registered using one key only. Object:{4}"; //$NON-NLS-1$
throw new IllegalArgumentException(MessageFormat.format(msg, Long.toString(id),
Operation.MODIFY.toString(), existingKey, key, objectToUpdate.toString()));
}
@ -239,7 +241,9 @@ public class ObjectFilter {
cached.setObject(objectToUpdate);
break;
case REMOVE:
throw new IllegalStateException("Stale State exception: Invalid += after -");
throw new IllegalStateException("Stale State exception: Invalid += after -"); //$NON-NLS-1$
default:
throw new IllegalStateException("Stale State exception: Unhandled state " + op); //$NON-NLS-1$
} // switch
}// else of object not in cache
@ -274,7 +278,7 @@ public class ObjectFilter {
public void remove(String key, Object objectToRemove) {
if (ObjectFilter.logger.isDebugEnabled())
ObjectFilter.logger.debug("remove object " + objectToRemove + " with key " + key);
ObjectFilter.logger.debug(MessageFormat.format("remove object {0} with key {1}", objectToRemove, key)); //$NON-NLS-1$
// BEWARE: you fix a bug here, be sure to update BOTH tables on the logic.
ObjectCache cached = this.cache.get(objectToRemove);
@ -287,7 +291,7 @@ public class ObjectFilter {
String existingKey = cached.getKey();
if (!existingKey.equals(key)) {
String msg = "Invalid key provided for object with transaction ID {0} and operation {1}: existing key is {2}, new key is {3}. Object may be present in the same filter instance only once, registered using one key only. Object:{4}";
String msg = "Invalid key provided for object with transaction ID {0} and operation {1}: existing key is {2}, new key is {3}. Object may be present in the same filter instance only once, registered using one key only. Object:{4}"; //$NON-NLS-1$
throw new IllegalArgumentException(MessageFormat.format(msg, Long.toString(id),
Operation.REMOVE.toString(), existingKey, key, objectToRemove.toString()));
}
@ -309,7 +313,9 @@ public class ObjectFilter {
cached.setOperation(Operation.REMOVE);
break;
case REMOVE:
throw new IllegalStateException("Stale State exception: Invalid - after -");
throw new IllegalStateException("Stale State exception: Invalid - after -"); //$NON-NLS-1$
default:
throw new IllegalStateException("Stale State exception: Unhandled state " + op); //$NON-NLS-1$
} // switch
}
@ -433,6 +439,7 @@ public class ObjectFilter {
*
* @param key
* The registration key of the objects to match
*
* @return The list of all objects registered under the given key and that need to be added.
*/
public List<Object> getAdded(String key) {
@ -453,6 +460,7 @@ public class ObjectFilter {
* The class type of the object to be retrieved, that acts as an additional filter criterion.
* @param key
* The registration key of the objects to match
*
* @return The list of all objects registered under the given key and that need to be added.
*/
public <V extends Object> List<V> getAdded(Class<V> clazz, String key) {
@ -475,6 +483,7 @@ public class ObjectFilter {
*
* @param key
* registration key of the objects to match
*
* @return The list of all objects registered under the given key and that need to be updated.
*/
public List<Object> getUpdated(String key) {
@ -491,8 +500,11 @@ public class ObjectFilter {
/**
* Get all objects that were registered under the given key and that have as a resulting final action an update.
*
* @param clazz
* The class type of the object to be retrieved, that acts as an additional filter criterion.
* @param key
* registration key of the objects to match
*
* @return The list of all objects registered under the given key and that need to be updated.
*/
public <V extends Object> List<V> getUpdated(Class<V> clazz, String key) {
@ -515,6 +527,7 @@ public class ObjectFilter {
*
* @param key
* The registration key of the objects to match
*
* @return The list of object registered under the given key that have, as a final action, removal.
*/
public List<Object> getRemoved(String key) {
@ -531,8 +544,11 @@ public class ObjectFilter {
/**
* Get all objects that were registered under the given key that have as a resulting final action their removal.
*
* @param clazz
* The class type of the object to be retrieved, that acts as an additional filter criterion.
* @param key
* The registration key of the objects to match
*
* @return The list of object registered under the given key that have, as a final action, removal.
*/
public <V extends Object> List<V> getRemoved(Class<V> clazz, String key) {
@ -550,12 +566,59 @@ public class ObjectFilter {
return removedObjects;
}
/**
* Get all objects that were registered under the given key
*
* @param clazz
* The class type of the object to be retrieved, that acts as an additional filter criterion.
* @param key
* The registration key of the objects to match
*
* @return The list of object registered under the given key that have, as a final action, removal.
*/
public <V extends Object> List<V> getAll(Class<V> clazz, String key) {
List<V> objects = new LinkedList<V>();
Collection<ObjectCache> allObjs = this.cache.values();
for (ObjectCache objectCache : allObjs) {
if (objectCache.getKey().equals(key)) {
if (objectCache.getObject().getClass() == clazz) {
@SuppressWarnings("unchecked")
V object = (V) objectCache.getObject();
objects.add(object);
}
}
}
return objects;
}
/**
* Get all objects that of the given class
*
* @param clazz
* The class type of the object to be retrieved, that acts as an additional filter criterion.
*
* @return The list of all objects that of the given class
*/
public <V extends Object> List<V> getAll(Class<V> clazz) {
List<V> objects = new LinkedList<V>();
Collection<ObjectCache> allObjs = this.cache.values();
for (ObjectCache objectCache : allObjs) {
if (objectCache.getObject().getClass() == clazz) {
@SuppressWarnings("unchecked")
V object = (V) objectCache.getObject();
objects.add(object);
}
}
return objects;
}
/**
* Get all the objects that were processed in this transaction, that were registered under the given key. No action
* is associated to the object.
*
* @param key
* The registration key for which the objects shall be retrieved
*
* @return The list of objects matching the given key.
*/
public List<Object> getAll(String key) {
@ -575,6 +638,7 @@ public class ObjectFilter {
*
* @param key
* The registration key for which the objects shall be retrieved
*
* @return The list of objects matching the given key.
*/
public List<ObjectCache> getCache(String key) {
@ -598,17 +662,23 @@ public class ObjectFilter {
}
/**
* Clear the cache.
* Clears the cache
*/
public void clearCache() {
this.cache.clear();
this.keySet.clear();
}
/**
* @return the set of keys used to register objects
*/
public int sizeKeySet() {
return this.keySet.size();
}
/**
* @return the number of objects registered in this filter
*/
public int sizeCache() {
return this.cache.size();
}
@ -619,7 +689,7 @@ public class ObjectFilter {
public synchronized long dispenseID() {
ObjectFilter.id++;
if (ObjectFilter.id == Long.MAX_VALUE) {
ObjectFilter.logger.error("Rolling IDs of objectFilter back to 1. Hope this is fine.");
ObjectFilter.logger.error("Rolling IDs of objectFilter back to 1. Hope this is fine."); //$NON-NLS-1$
ObjectFilter.id = 1;
}
return ObjectFilter.id;