main.shark.ActualMatchingReferenceReaderFactory.kt Maven / Gradle / Ivy

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package shark

/**
 * Creates [ReferenceReader] instances that will follow references from all [HeapObject]s,
 * applying matching rules provided by [referenceMatchers], and not creating any virtual reference.
 */
class ActualMatchingReferenceReaderFactory(
  private val referenceMatchers: List
) : ReferenceReader.Factory {
  override fun createFor(heapGraph: HeapGraph): ReferenceReader {
    return DelegatingObjectReferenceReader(
      classReferenceReader = ClassReferenceReader(heapGraph, referenceMatchers),
      instanceReferenceReader = ChainingInstanceReferenceReader(
        virtualRefReaders = listOf(JavaLocalReferenceReader(heapGraph, referenceMatchers)),
        flatteningInstanceReader = null,
        fieldRefReader = FieldInstanceReferenceReader(heapGraph, referenceMatchers)
      ), objectArrayReferenceReader = ObjectArrayReferenceReader()
    )
  }
}