8025852: Remove unnecessary setters in collector policy classes
Summary: Use instance variables directly within the collector policy classes and remove unused setters.
Reviewed-by: tschatzl, jcoomes
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
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* 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP
#define SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP
#include "gc_implementation/shared/vmGCOperations.hpp"
// VM_operations for the G1 collector.
// VM_GC_Operation:
// - VM_CGC_Operation
// - VM_G1CollectFull
// - VM_G1OperationWithAllocRequest
// - VM_G1CollectForAllocation
// - VM_G1IncCollectionPause
class VM_G1OperationWithAllocRequest: public VM_GC_Operation {
protected:
size_t _word_size;
HeapWord* _result;
bool _pause_succeeded;
public:
VM_G1OperationWithAllocRequest(unsigned int gc_count_before,
size_t word_size,
GCCause::Cause gc_cause)
: VM_GC_Operation(gc_count_before, gc_cause),
_word_size(word_size), _result(NULL), _pause_succeeded(false) { }
HeapWord* result() { return _result; }
bool pause_succeeded() { return _pause_succeeded; }
};
class VM_G1CollectFull: public VM_GC_Operation {
public:
VM_G1CollectFull(unsigned int gc_count_before,
unsigned int full_gc_count_before,
GCCause::Cause cause)
: VM_GC_Operation(gc_count_before, cause, full_gc_count_before) { }
virtual VMOp_Type type() const { return VMOp_G1CollectFull; }
virtual void doit();
virtual const char* name() const {
return "full garbage-first collection";
}
};
class VM_G1CollectForAllocation: public VM_G1OperationWithAllocRequest {
public:
VM_G1CollectForAllocation(unsigned int gc_count_before,
size_t word_size);
virtual VMOp_Type type() const { return VMOp_G1CollectForAllocation; }
virtual void doit();
virtual const char* name() const {
return "garbage-first collection to satisfy allocation";
}
};
class VM_G1IncCollectionPause: public VM_G1OperationWithAllocRequest {
private:
bool _should_initiate_conc_mark;
bool _should_retry_gc;
double _target_pause_time_ms;
unsigned int _old_marking_cycles_completed_before;
public:
VM_G1IncCollectionPause(unsigned int gc_count_before,
size_t word_size,
bool should_initiate_conc_mark,
double target_pause_time_ms,
GCCause::Cause gc_cause);
virtual VMOp_Type type() const { return VMOp_G1IncCollectionPause; }
virtual bool doit_prologue();
virtual void doit();
virtual void doit_epilogue();
virtual const char* name() const {
return "garbage-first incremental collection pause";
}
bool should_retry_gc() const { return _should_retry_gc; }
};
// Concurrent GC stop-the-world operations such as remark and cleanup;
// consider sharing these with CMS's counterparts.
class VM_CGC_Operation: public VM_Operation {
VoidClosure* _cl;
const char* _printGCMessage;
bool _needs_pll;
protected:
// java.lang.ref.Reference support
void acquire_pending_list_lock();
void release_and_notify_pending_list_lock();
public:
VM_CGC_Operation(VoidClosure* cl, const char *printGCMsg, bool needs_pll)
: _cl(cl), _printGCMessage(printGCMsg), _needs_pll(needs_pll) { }
virtual VMOp_Type type() const { return VMOp_CGC_Operation; }
virtual void doit();
virtual bool doit_prologue();
virtual void doit_epilogue();
virtual const char* name() const {
return "concurrent gc";
}
};
#endif // SHARE_VM_GC_IMPLEMENTATION_G1_VM_OPERATIONS_G1_HPP