src/jdk.jfr/share/classes/jdk/jfr/consumer/ConstantLookup.java
branchJEP-349-branch
changeset 57361 53dccc90a5be
child 57467 de154169948b
equal deleted inserted replaced
57360:5d043a159d5c 57361:53dccc90a5be
       
     1 package jdk.jfr.consumer;
       
     2 
       
     3 import jdk.jfr.internal.Type;
       
     4 
       
     5 final class ConstantLookup {
       
     6 
       
     7     private final Type type;
       
     8     private ConstantMap current;
       
     9     private ConstantMap previous = ConstantMap.EMPTY;
       
    10 
       
    11     ConstantLookup(ConstantMap current, Type type) {
       
    12         this.current = current;
       
    13         this.type = type;
       
    14     }
       
    15 
       
    16     public Type getType() {
       
    17         return type;
       
    18     }
       
    19 
       
    20     public ConstantMap getLatestPool() {
       
    21         return current;
       
    22     }
       
    23 
       
    24     public void newPool() {
       
    25      //   previous = current;
       
    26         current = new ConstantMap(current.factory, current.name);
       
    27      //   previous =  new ConstantMap(); // disable cache
       
    28     }
       
    29 
       
    30     public Object getPreviousResolved(long key) {
       
    31         return previous.getResolved(key);
       
    32     }
       
    33 
       
    34     public Object getCurrentResolved(long key) {
       
    35         return current.getResolved(key);
       
    36     }
       
    37 
       
    38     public Object getCurrent(long key) {
       
    39         return current.get(key);
       
    40     }
       
    41 
       
    42 }