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PropertyMap Class — netty Architecture

Architecture documentation for the PropertyMap class in DefaultHttp2Connection.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  86ee2f76_c8a8_f2a5_83b6_3bac35c76af2["PropertyMap"]
  c1b91a38_3d50_98cc_116d_1d9e5bc49432["DefaultHttp2Connection.java"]
  86ee2f76_c8a8_f2a5_83b6_3bac35c76af2 -->|defined in| c1b91a38_3d50_98cc_116d_1d9e5bc49432
  7545ae46_c99b_84b0_b772_52a7119ddaff["V()"]
  86ee2f76_c8a8_f2a5_83b6_3bac35c76af2 -->|method| 7545ae46_c99b_84b0_b772_52a7119ddaff
  6b7608e8_0931_64b8_e7c0_5630e58d9de0["resizeIfNecessary()"]
  86ee2f76_c8a8_f2a5_83b6_3bac35c76af2 -->|method| 6b7608e8_0931_64b8_e7c0_5630e58d9de0

Relationship Graph

Source Code

codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2Connection.java lines 567–601

        private class PropertyMap {
            Object[] values = EmptyArrays.EMPTY_OBJECTS;

            <V> V add(DefaultPropertyKey key, V value) {
                resizeIfNecessary(key.index);
                @SuppressWarnings("unchecked")
                V prevValue = (V) values[key.index];
                values[key.index] = value;
                return prevValue;
            }

            @SuppressWarnings("unchecked")
            <V> V get(DefaultPropertyKey key) {
                if (key.index >= values.length) {
                    return null;
                }
                return (V) values[key.index];
            }

            @SuppressWarnings("unchecked")
            <V> V remove(DefaultPropertyKey key) {
                V prevValue = null;
                if (key.index < values.length) {
                    prevValue = (V) values[key.index];
                    values[key.index] = null;
                }
                return prevValue;
            }

            void resizeIfNecessary(int index) {
                if (index >= values.length) {
                    values = Arrays.copyOf(values, propertyKeyRegistry.size());
                }
            }
        }

Defined In

Source

Frequently Asked Questions

What is the PropertyMap class?
PropertyMap is a class in the netty codebase, defined in codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2Connection.java.
Where is PropertyMap defined?
PropertyMap is defined in codec-http2/src/main/java/io/netty/handler/codec/http2/DefaultHttp2Connection.java at line 567.

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