Package org.eclipse.mat.snapshot
Class DominatorsSummary
- java.lang.Object
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- org.eclipse.mat.snapshot.DominatorsSummary
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public final class DominatorsSummary extends java.lang.Object
This class holds the data of a dominators summary (see ISnapshot.getDominatorsOf()). For a given list of objects the summary contains the dominators of the single objects grouped by class or by class loader.#- No Instantiate:
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
DominatorsSummary.ClassDominatorRecord
A record containing information for objects of one class dominating a set of other objectsstatic class
DominatorsSummary.ClassloaderDominatorRecord
A record containing information for objects loaded by one class loader dominating a set of other objects
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Field Summary
Fields Modifier and Type Field Description static java.util.Comparator<java.lang.Object>
COMPARE_BY_DOMINATED
A comparator by number of dominated objectsstatic java.util.Comparator<java.lang.Object>
COMPARE_BY_DOMINATED_HEAP_SIZE
A comparator by dominated heap sizestatic java.util.Comparator<java.lang.Object>
COMPARE_BY_DOMINATED_RETAINED_HEAP_SIZE
A comparator by dominated objects' retained sizestatic java.util.Comparator<java.lang.Object>
COMPARE_BY_DOMINATOR_HEAP_SIZE
A comparator by dominators heap sizestatic java.util.Comparator<java.lang.Object>
COMPARE_BY_DOMINATOR_RETAINED_HEAP_SIZE
A comparator by dominators' retained sizestatic java.util.Comparator<java.lang.Object>
COMPARE_BY_DOMINATORS
A comparator by number of dominatorsstatic java.util.Comparator<java.lang.Object>
COMPARE_BY_NAME
A comparator by name
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Constructor Summary
Constructors Constructor Description DominatorsSummary(DominatorsSummary.ClassDominatorRecord[] classDominatorRecords, ISnapshot snapshot)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description DominatorsSummary.ClassDominatorRecord[]
getClassDominatorRecords()
Get the dominators summary grouped by classesDominatorsSummary.ClassloaderDominatorRecord[]
getClassloaderDominatorRecords()
Get the dominators summary grouped by class loaders<C extends DominatorsSummary.ClassloaderDominatorRecord>
C[]getClassloaderDominatorRecords(java.lang.Class<C> factoryClass)
java.lang.Object
getData()
Returns data object attached to the summary.static java.util.Comparator<java.lang.Object>
reverseComparator(java.util.Comparator<java.lang.Object> comparator)
Reverse the sort order.void
setData(java.lang.Object data)
Attaches arbitrary data object to the summary.
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Field Detail
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COMPARE_BY_NAME
public static final java.util.Comparator<java.lang.Object> COMPARE_BY_NAME
A comparator by name
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COMPARE_BY_DOMINATORS
public static final java.util.Comparator<java.lang.Object> COMPARE_BY_DOMINATORS
A comparator by number of dominators
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COMPARE_BY_DOMINATED
public static final java.util.Comparator<java.lang.Object> COMPARE_BY_DOMINATED
A comparator by number of dominated objects
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COMPARE_BY_DOMINATED_HEAP_SIZE
public static final java.util.Comparator<java.lang.Object> COMPARE_BY_DOMINATED_HEAP_SIZE
A comparator by dominated heap size
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COMPARE_BY_DOMINATOR_HEAP_SIZE
public static final java.util.Comparator<java.lang.Object> COMPARE_BY_DOMINATOR_HEAP_SIZE
A comparator by dominators heap size
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COMPARE_BY_DOMINATED_RETAINED_HEAP_SIZE
public static final java.util.Comparator<java.lang.Object> COMPARE_BY_DOMINATED_RETAINED_HEAP_SIZE
A comparator by dominated objects' retained size
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COMPARE_BY_DOMINATOR_RETAINED_HEAP_SIZE
public static final java.util.Comparator<java.lang.Object> COMPARE_BY_DOMINATOR_RETAINED_HEAP_SIZE
A comparator by dominators' retained size
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Constructor Detail
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DominatorsSummary
public DominatorsSummary(DominatorsSummary.ClassDominatorRecord[] classDominatorRecords, ISnapshot snapshot)
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Method Detail
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getData
public java.lang.Object getData()
Returns data object attached to the summary. Needed for UI elements to store context.
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setData
public void setData(java.lang.Object data)
Attaches arbitrary data object to the summary. Needed for UI elements to store context.
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getClassDominatorRecords
public DominatorsSummary.ClassDominatorRecord[] getClassDominatorRecords()
Get the dominators summary grouped by classes- Returns:
- ClassDominatorRecord[] the array of ClassDominatorRecords
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getClassloaderDominatorRecords
public DominatorsSummary.ClassloaderDominatorRecord[] getClassloaderDominatorRecords()
Get the dominators summary grouped by class loaders- Returns:
- ClassloaderDominatorRecord[] the array of ClassloaderDominatorRecords
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getClassloaderDominatorRecords
public <C extends DominatorsSummary.ClassloaderDominatorRecord> C[] getClassloaderDominatorRecords(java.lang.Class<C> factoryClass)
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reverseComparator
public static java.util.Comparator<java.lang.Object> reverseComparator(java.util.Comparator<java.lang.Object> comparator)
Reverse the sort order.
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