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OPENJPA-703: Reinstate performance optimization for DEFAULT and ALL fetch group lookup that was inadvertently rolled back. 

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@747909 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Pinaki Poddar 2009-02-25 20:18:53 +00:00
parent 094f914969
commit b0a4367dd0
1 changed files with 34 additions and 11 deletions
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43
openjpa-kernel/src/main/java/org/apache/openjpa/kernel/FetchConfigurationImpl.java
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@ -83,6 +83,8 @@ public class FetchConfigurationImpl
public Set rootClasses;
public Set rootInstances;
public Map hints = null;
public boolean fetchGroupContainsDefault = false;
public boolean fetchGroupContainsAll = false;
}
private final ConfigurationState _state;
@ -241,6 +243,16 @@ public class FetchConfigurationImpl
|| _state.fetchGroups.contains(FetchGroup.NAME_ALL));
}
public boolean hasFetchGroupDefault() {
// Fetch group All includes fetch group Default by definition
return _state.fetchGroupContainsDefault ||
_state.fetchGroupContainsAll;
}
public boolean hasFetchGroupAll() {
return _state.fetchGroupContainsAll;
}
public FetchConfiguration addFetchGroup(String name) {
if (StringUtils.isEmpty(name))
throw new UserException(_loc.get("null-fg"));
@ -250,6 +262,10 @@ public class FetchConfigurationImpl
if (_state.fetchGroups == null)
_state.fetchGroups = new HashSet();
_state.fetchGroups.add(name);
if (FetchGroup.NAME_ALL.equals(name))
_state.fetchGroupContainsAll = true;
else if (FetchGroup.NAME_DEFAULT.equals(name))
_state.fetchGroupContainsDefault = true;
} finally {
unlock();
}
@ -267,8 +283,13 @@ public class FetchConfigurationImpl
public FetchConfiguration removeFetchGroup(String group) {
lock();
try {
if (_state.fetchGroups != null)
if (_state.fetchGroups != null) {
_state.fetchGroups.remove(group);
if (FetchGroup.NAME_ALL.equals(group))
_state.fetchGroupContainsAll = false;
else if (FetchGroup.NAME_DEFAULT.equals(group))
_state.fetchGroupContainsDefault = false;
}
} finally {
unlock();
}
@ -278,8 +299,9 @@ public class FetchConfigurationImpl
public FetchConfiguration removeFetchGroups(Collection groups) {
lock();
try {
if (_state.fetchGroups != null)
_state.fetchGroups.removeAll(groups);
if (_state.fetchGroups != null && groups != null)
for (Object group : groups)
removeFetchGroup(group.toString());
} finally {
unlock();
}
@ -289,8 +311,11 @@ public class FetchConfigurationImpl
public FetchConfiguration clearFetchGroups() {
lock();
try {
if (_state.fetchGroups != null)
if (_state.fetchGroups != null) {
_state.fetchGroups.clear();
_state.fetchGroupContainsAll = false;
_state.fetchGroupContainsDefault = true;
}
} finally {
unlock();
}
@ -588,13 +613,11 @@ public class FetchConfigurationImpl
* Whether our configuration state includes the given field.
*/
private boolean includes(FieldMetaData fmd) {
if ((fmd.isInDefaultFetchGroup()
&& hasFetchGroup(FetchGroup.NAME_DEFAULT))
|| hasFetchGroup(FetchGroup.NAME_ALL)
if (hasFetchGroupAll()
|| (hasFetchGroupDefault() && fmd.isInDefaultFetchGroup())
|| hasField(fmd.getFullName(false))
|| hasField(fmd.getRealName()) // OPENJPA-704
|| (_fromField != null
&& hasField(_fromField + "." + fmd.getName())))
|| hasField(fmd.getRealName())
|| (_fromField != null && hasField(_fromField + "." + fmd.getName())))
return true;
String[] fgs = fmd.getCustomFetchGroups();
for (int i = 0; i < fgs.length; i++)