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8056084: Refactor Hashtable to allow implementations without rehashing support

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Reviewed-by: gziemski, jmasa, brutisso, coleenp, tschatzl
This commit is contained in:
Mikael Gerdin 2014-08-29 13:08:01 +02:00
parent f12e5848bd
commit 6fc8764c65
6 changed files with 61 additions and 41 deletions
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6
hotspot/src/share/vm/classfile/symbolTable.hpp
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@ -73,7 +73,7 @@ class TempNewSymbol : public StackObj {
operator Symbol*() { return _temp; }
};
class SymbolTable : public Hashtable<Symbol*, mtSymbol> {
class SymbolTable : public RehashableHashtable<Symbol*, mtSymbol> {
friend class VMStructs;
friend class ClassFileParser;
@ -109,10 +109,10 @@ private:
Symbol* lookup(int index, const char* name, int len, unsigned int hash);
SymbolTable()
: Hashtable<Symbol*, mtSymbol>(SymbolTableSize, sizeof (HashtableEntry<Symbol*, mtSymbol>)) {}
: RehashableHashtable<Symbol*, mtSymbol>(SymbolTableSize, sizeof (HashtableEntry<Symbol*, mtSymbol>)) {}
SymbolTable(HashtableBucket<mtSymbol>* t, int number_of_entries)
: Hashtable<Symbol*, mtSymbol>(SymbolTableSize, sizeof (HashtableEntry<Symbol*, mtSymbol>), t,
: RehashableHashtable<Symbol*, mtSymbol>(SymbolTableSize, sizeof (HashtableEntry<Symbol*, mtSymbol>), t,
number_of_entries) {}
// Arena for permanent symbols (null class loader) that are never unloaded