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existingChildMadeExclusiveShouldNotCreateTreeCycle() — netty Function Reference

Architecture documentation for the existingChildMadeExclusiveShouldNotCreateTreeCycle() function in WeightedFairQueueByteDistributorDependencyTreeTest.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Dependency Diagram

graph TD
  62e1063d_a4ea_3c43_3172_5863fb710493["existingChildMadeExclusiveShouldNotCreateTreeCycle()"]
  f59fdba5_c411_919e_8d09_ef11c6679e0d["WeightedFairQueueByteDistributorDependencyTreeTest"]
  62e1063d_a4ea_3c43_3172_5863fb710493 -->|defined in| f59fdba5_c411_919e_8d09_ef11c6679e0d
  style 62e1063d_a4ea_3c43_3172_5863fb710493 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/test/java/io/netty/handler/codec/http2/WeightedFairQueueByteDistributorDependencyTreeTest.java lines 461–494

    @Test
    public void existingChildMadeExclusiveShouldNotCreateTreeCycle() throws Http2Exception {
        Http2Stream streamA = connection.local().createStream(1, false);
        Http2Stream streamB = connection.local().createStream(3, false);
        Http2Stream streamC = connection.local().createStream(5, false);
        Http2Stream streamD = connection.local().createStream(7, false);

        setPriority(streamB.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT, false);
        setPriority(streamC.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT, false);
        setPriority(streamD.id(), streamC.id(), DEFAULT_PRIORITY_WEIGHT, false);

        // Stream C is already dependent on Stream A, but now make that an exclusive dependency
        setPriority(streamC.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT, true);

        assertEquals(4, connection.numActiveStreams());

        // Level 0
        assertEquals(1, distributor.numChildren(connection.connectionStream().id()));

        // Level 1
        assertTrue(distributor.isChild(streamA.id(), connection.connectionStream().id(), DEFAULT_PRIORITY_WEIGHT));
        assertEquals(1, distributor.numChildren(streamA.id()));

        // Level 2
        assertTrue(distributor.isChild(streamC.id(), streamA.id(), DEFAULT_PRIORITY_WEIGHT));
        assertEquals(2, distributor.numChildren(streamC.id()));

        // Level 3
        assertTrue(distributor.isChild(streamB.id(), streamC.id(), DEFAULT_PRIORITY_WEIGHT));
        assertEquals(0, distributor.numChildren(streamB.id()));

        assertTrue(distributor.isChild(streamD.id(), streamC.id(), DEFAULT_PRIORITY_WEIGHT));
        assertEquals(0, distributor.numChildren(streamD.id()));
    }

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Frequently Asked Questions

What does existingChildMadeExclusiveShouldNotCreateTreeCycle() do?
existingChildMadeExclusiveShouldNotCreateTreeCycle() is a function in the netty codebase, defined in codec-http2/src/test/java/io/netty/handler/codec/http2/WeightedFairQueueByteDistributorDependencyTreeTest.java.
Where is existingChildMadeExclusiveShouldNotCreateTreeCycle() defined?
existingChildMadeExclusiveShouldNotCreateTreeCycle() is defined in codec-http2/src/test/java/io/netty/handler/codec/http2/WeightedFairQueueByteDistributorDependencyTreeTest.java at line 461.

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