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package org.graalvm.compiler.nodes.memory;

Encapsulates properties of a node describing how it accesses the heap.
/**
 * Encapsulates properties of a node describing how it accesses the heap.
 */
public interface HeapAccess {

    
The types of (write/read) barriers attached to stores.
/**
     * The types of (write/read) barriers attached to stores.
     */
    enum BarrierType {
        
Primitive stores which do not necessitate barriers.
/**
         * Primitive stores which do not necessitate barriers.
         */
        NONE,
        
Array object stores which necessitate precise barriers.
/**
         * Array object stores which necessitate precise barriers.
         */
        PRECISE,
        
Field object stores which necessitate imprecise barriers.
/**
         * Field object stores which necessitate imprecise barriers.
         */
        IMPRECISE
    }

    
Gets the write barrier type for that particular access.
/**
     * Gets the write barrier type for that particular access.
     */
    BarrierType getBarrierType();
}