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-rw-r--r--context/context-management/src/main/java/org/onap/policy/apex/context/impl/distribution/AbstractDistributor.java93
1 files changed, 52 insertions, 41 deletions
diff --git a/context/context-management/src/main/java/org/onap/policy/apex/context/impl/distribution/AbstractDistributor.java b/context/context-management/src/main/java/org/onap/policy/apex/context/impl/distribution/AbstractDistributor.java
index 56368aeb4..63ad77a32 100644
--- a/context/context-management/src/main/java/org/onap/policy/apex/context/impl/distribution/AbstractDistributor.java
+++ b/context/context-management/src/main/java/org/onap/policy/apex/context/impl/distribution/AbstractDistributor.java
@@ -59,8 +59,8 @@ public abstract class AbstractDistributor implements Distributor {
private AxArtifactKey key = null;
// The context albums for this context set indexed by their keys
- private static Map<AxArtifactKey, ContextAlbum> albumMaps =
- Collections.synchronizedMap(new HashMap<AxArtifactKey, ContextAlbum>());
+ private static Map<AxArtifactKey, ContextAlbum> albumMaps = Collections
+ .synchronizedMap(new HashMap<AxArtifactKey, ContextAlbum>());
// Lock manager for this distributor
private static LockManager lockManager = null;
@@ -109,6 +109,7 @@ public abstract class AbstractDistributor implements Distributor {
/**
* Set the static lock manager.
+ *
* @param incomingLockManager the lock manager value
*/
private static void setLockManager(final LockManager incomingLockManager) {
@@ -117,6 +118,7 @@ public abstract class AbstractDistributor implements Distributor {
/**
* Set the static flush timer.
+ *
* @param incomingFlushTimer the flush timer value
*/
private static void setFlushTimer(final DistributorFlushTimerTask incomingFlushTimer) {
@@ -149,7 +151,6 @@ public abstract class AbstractDistributor implements Distributor {
*/
public abstract Map<String, Object> getContextAlbumMap(AxArtifactKey contextAlbumKey);
-
/*
* (non-Javadoc)
*
@@ -183,8 +184,8 @@ public abstract class AbstractDistributor implements Distributor {
// Check if the context album is valid
final AxValidationResult result = album.validate(new AxValidationResult());
if (!result.isValid()) {
- final String resultString =
- "context album definition for " + album.getKey().getId() + " is invalid" + result;
+ final String resultString = "context album definition for " + album.getKey().getId() + " is invalid"
+ + result;
LOGGER.warn(resultString);
throw new ContextException(resultString);
}
@@ -193,28 +194,30 @@ public abstract class AbstractDistributor implements Distributor {
final AxContextSchema schema = ModelService.getModel(AxContextSchemas.class).get(album.getItemSchema());
if (schema == null) {
final String resultString = "schema \"" + album.getItemSchema().getId() + "\" for context album "
- + album.getKey().getId() + " does not exist";
+ + album.getKey().getId() + " does not exist";
LOGGER.warn(resultString);
throw new ContextException(resultString);
}
- // Check if the map has already been instantiated
- if (!albumMaps.containsKey(album.getKey())) {
- // Instantiate the album map for this context album that we'll distribute using the distribution mechanism
- final Map<String, Object> newContextAlbumMap = getContextAlbumMap(album.getKey());
-
- // The distributed context album will have content from another process instance if the album exists in
- // another process,
- // if not, we have to try to read the content from persistence
- if (newContextAlbumMap.isEmpty()) {
- // Read entries from persistence, (Not implemented yet)
+ synchronized (albumMaps) {
+ // Check if the map has already been instantiated
+ if (!albumMaps.containsKey(album.getKey())) {
+ // Instantiate the album map for this context album that we'll distribute using the distribution
+ // mechanism
+ final Map<String, Object> newContextAlbumMap = getContextAlbumMap(album.getKey());
+
+ // The distributed context album will have content from another process instance if the album exists in
+ // another process, if not, we have to try to read the content from persistence
+ if (newContextAlbumMap.isEmpty()) {
+ // Read entries from persistence, (Not implemented yet)
+ }
+
+ // Create the context album and put the context album object onto the distributor
+ albumMaps.put(album.getKey(), new ContextAlbumImpl(album, this, newContextAlbumMap));
}
- // Create the context album and put the context album object onto the distributor
- albumMaps.put(album.getKey(), new ContextAlbumImpl(album, this, newContextAlbumMap));
+ return albumMaps.get(album.getKey());
}
-
- return albumMaps.get(album.getKey());
}
/*
@@ -226,14 +229,16 @@ public abstract class AbstractDistributor implements Distributor {
*/
@Override
public void removeContextAlbum(final AxContextAlbum contextAlbum) throws ContextException {
- // Check if the map already exists, if not return
- if (!albumMaps.containsKey(contextAlbum.getKey())) {
- LOGGER.warn("map remove failed, supplied map is null");
- throw new ContextException("map update failed, supplied map is null");
- }
+ synchronized (albumMaps) {
+ // Check if the map already exists, if not return
+ if (!albumMaps.containsKey(contextAlbum.getKey())) {
+ LOGGER.warn("map remove failed, supplied map is null");
+ throw new ContextException("map update failed, supplied map is null");
+ }
- // Remove the map from the distributor
- albumMaps.remove(contextAlbum.getKey());
+ // Remove the map from the distributor
+ albumMaps.remove(contextAlbum.getKey());
+ }
}
/*
@@ -243,11 +248,13 @@ public abstract class AbstractDistributor implements Distributor {
*/
@Override
public void flush() throws ContextException {
- // Flush all the maps
- for (final Entry<AxArtifactKey, ContextAlbum> distributorMapEntry : albumMaps.entrySet()) {
- // Let the persistor write each of the entries
- for (final Object contextItem : distributorMapEntry.getValue().values()) {
- persistor.writeContextItem((AxContextSchema) contextItem);
+ synchronized (albumMaps) {
+ // Flush all the maps
+ for (final Entry<AxArtifactKey, ContextAlbum> distributorMapEntry : albumMaps.entrySet()) {
+ // Let the persistor write each of the entries
+ for (final Object contextItem : distributorMapEntry.getValue().values()) {
+ persistor.writeContextItem(contextItem);
+ }
}
}
}
@@ -260,15 +267,17 @@ public abstract class AbstractDistributor implements Distributor {
*/
@Override
public void flushContextAlbum(final ContextAlbum contextAlbum) throws ContextException {
- // Check if the map already exists, if not return
- if (!albumMaps.containsKey(contextAlbum.getKey())) {
- LOGGER.warn("map flush failed, supplied map is null");
- throw new ContextException("map flush failed, supplied map is null");
- }
+ synchronized (albumMaps) {
+ // Check if the map already exists, if not return
+ if (!albumMaps.containsKey(contextAlbum.getKey())) {
+ LOGGER.warn("map flush failed, supplied map is null");
+ throw new ContextException("map flush failed, supplied map is null");
+ }
- // Let the persistor flush the items on the map
- for (final Object contextItem : albumMaps.get(contextAlbum.getKey()).values()) {
- persistor.writeContextItem(contextItem);
+ // Let the persistor flush the items on the map
+ for (final Object contextItem : albumMaps.get(contextAlbum.getKey()).values()) {
+ persistor.writeContextItem(contextItem);
+ }
}
}
@@ -329,7 +338,9 @@ public abstract class AbstractDistributor implements Distributor {
setLockManager(null);
}
- albumMaps.clear();
+ synchronized (albumMaps) {
+ albumMaps.clear();
+ }
// Turn off the flush timer
flushTimer.cancel();