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java.lang.Objectmondrian.rolap.MemberCacheHelper
mondrian.rolap.MemberNoCacheHelper
public class MemberNoCacheHelper
Encapsulation of member caching for no caching.
Field Summary | |
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(package private) DataSourceChangeListener |
changeListener
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Fields inherited from class mondrian.rolap.MemberCacheHelper |
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mapKeyToMember, mapLevelToMembers, mapMemberToChildren, rolapHierarchy |
Constructor Summary | |
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MemberNoCacheHelper()
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Method Summary | |
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void |
checkCacheStatus()
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DataSourceChangeListener |
getChangeListener()
|
List<RolapMember> |
getChildrenFromCache(RolapMember member,
MemberChildrenConstraint constraint)
Returns the children of member if they are currently in the
cache, otherwise returns null. |
List<RolapMember> |
getLevelMembersFromCache(RolapLevel level,
TupleConstraint constraint)
Returns the members of level if they are currently in the
cache, otherwise returns null. |
RolapMember |
getMember(Object key)
Retrieves the RolapMember with a given key. |
RolapMember |
getMember(Object key,
boolean mustCheckCacheStatus)
Retrieves the RolapMember with a given key. |
boolean |
isMutable()
Returns whether the cache supports removing selected items. |
Object |
makeKey(RolapMember parent,
Object key)
Creates a key with which to MemberCache.getMember(Object) or
MemberCache.putMember(Object, RolapMember) the
RolapMember with a given parent and key. |
void |
putChildren(RolapMember member,
MemberChildrenConstraint constraint,
List<RolapMember> children)
Registers that the children of member are
children (a list of RolapMember s). |
void |
putLevelMembersInCache(RolapLevel level,
TupleConstraint constraint,
List<RolapMember> members)
??? |
Object |
putMember(Object key,
RolapMember value)
Replaces the RolapMember with a given key and returns the
previous member if any. |
RolapMember |
removeMember(Object key)
Removes the RolapMember with a given key from the cache. |
RolapMember |
removeMemberAndDescendants(Object key)
Removes the designated RolapMember and all its descendants. |
void |
setChangeListener(DataSourceChangeListener listener)
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Methods inherited from class mondrian.rolap.MemberCacheHelper |
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flushCache |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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DataSourceChangeListener changeListener
Constructor Detail |
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public MemberNoCacheHelper()
Method Detail |
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public RolapMember getMember(Object key, boolean mustCheckCacheStatus)
MemberCache
RolapMember
with a given key.
getMember
in interface MemberCache
getMember
in class MemberCacheHelper
key
- cache key, created by MemberCache.makeKey(mondrian.rolap.RolapMember, java.lang.Object)
mustCheckCacheStatus
- If true
, do not check cache status
public Object putMember(Object key, RolapMember value)
MemberCache
RolapMember
with a given key and returns the
previous member if any.
putMember
in interface MemberCache
putMember
in class MemberCacheHelper
key
- cache key, created by MemberCache.makeKey(mondrian.rolap.RolapMember, java.lang.Object)
value
- new member
public Object makeKey(RolapMember parent, Object key)
MemberCache
MemberCache.getMember(Object)
or
MemberCache.putMember(Object, RolapMember)
the
RolapMember
with a given parent and key.
makeKey
in interface MemberCache
makeKey
in class MemberCacheHelper
parent
- Parent memberkey
- Key of member within parent
public RolapMember getMember(Object key)
MemberCache
RolapMember
with a given key.
getMember
in interface MemberCache
getMember
in class MemberCacheHelper
key
- cache key, created by MemberCache.makeKey(mondrian.rolap.RolapMember, java.lang.Object)
public void checkCacheStatus()
checkCacheStatus
in class MemberCacheHelper
public void putLevelMembersInCache(RolapLevel level, TupleConstraint constraint, List<RolapMember> members)
putLevelMembersInCache
in class MemberCacheHelper
level
- constraint
- members
- public List<RolapMember> getChildrenFromCache(RolapMember member, MemberChildrenConstraint constraint)
MemberCache
member
if they are currently in the
cache, otherwise returns null.
The children may be garbage collected as soon as the returned list may be garbage collected.
getChildrenFromCache
in interface MemberCache
getChildrenFromCache
in class MemberCacheHelper
member
- the parent memberconstraint
- the condition that was used when the members were
fetched. May be null for all members (no constraint)
public void putChildren(RolapMember member, MemberChildrenConstraint constraint, List<RolapMember> children)
MemberCache
member
are
children
(a list of RolapMember
s).
putChildren
in interface MemberCache
putChildren
in class MemberCacheHelper
member
- the parent memberconstraint
- the condition that was used when the members were
fetched. May be null for all members (no constraint)children
- list of childrenpublic List<RolapMember> getLevelMembersFromCache(RolapLevel level, TupleConstraint constraint)
MemberCache
level
if they are currently in the
cache, otherwise returns null.
The members may be garbage collected as soon as the returned list may be garbage collected.
getLevelMembersFromCache
in interface MemberCache
getLevelMembersFromCache
in class MemberCacheHelper
level
- the level whose members should be fetchedconstraint
- the condition that was used when the members were
fetched. May be null for all members (no constraint)
public DataSourceChangeListener getChangeListener()
getChangeListener
in class MemberCacheHelper
public void setChangeListener(DataSourceChangeListener listener)
setChangeListener
in class MemberCacheHelper
public boolean isMutable()
MemberCache
MemberCache.removeMember(Object)
and
MemberCache.removeMemberAndDescendants(Object)
methods.
REVIEW: remove isMutable and move removeMember and removeMemberAndDescendants to new interface MutableMemberCache
isMutable
in interface MemberCache
isMutable
in class MemberCacheHelper
public RolapMember removeMember(Object key)
MemberCache
RolapMember
with a given key from the cache.
Returns the previous member with that key, or null.
Optional operation: see MemberCache.isMutable()
.
removeMember
in interface MemberCache
removeMember
in class MemberCacheHelper
key
- cache key, created by MemberCache.makeKey(mondrian.rolap.RolapMember, java.lang.Object)
public RolapMember removeMemberAndDescendants(Object key)
MemberCache
RolapMember
and all its descendants.
Returns the previous member with that key, or null.
Optional operation: see MemberCache.isMutable()
.
removeMemberAndDescendants
in interface MemberCache
removeMemberAndDescendants
in class MemberCacheHelper
key
- cache key, created by MemberCache.makeKey(mondrian.rolap.RolapMember, java.lang.Object)
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