org.apache.calcite.runtime

Class Matcher<E>

java.lang.Object

org.apache.calcite.runtime.Matcher<E>

Type Parameters:

E - Type of rows matched by this automaton

public class Matcher<E>
extends Object

Workspace that partialMatches patterns against an automaton.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Matcher.Builder<E> Builds a Matcher.

Method Summary

Modifier and Type	Method and Description
static <E> Matcher.Builder<E>	builder(Automaton automaton)
org.apache.calcite.runtime.Matcher.PartitionState<E>	createPartitionState(int history, int future)
List<org.apache.calcite.runtime.Matcher.PartialMatch<E>>	match(E... rows)
List<org.apache.calcite.runtime.Matcher.PartialMatch<E>>	match(Iterable<E> rows)
protected void	matchOne(org.apache.calcite.linq4j.MemoryFactory.Memory<E> rows, org.apache.calcite.runtime.Matcher.PartitionState<E> partitionState, Consumer<org.apache.calcite.runtime.Matcher.PartialMatch<E>> resultMatches) Feeds a single input row into the given partition state, and writes the resulting output rows (if any).
protected List<org.apache.calcite.runtime.Matcher.PartialMatch<E>>	matchOneWithSymbols(org.apache.calcite.linq4j.MemoryFactory.Memory<E> rows, org.apache.calcite.runtime.Matcher.PartitionState<E> partitionState)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

builder

public static <E> Matcher.Builder<E> builder(Automaton automaton)

match

public List<org.apache.calcite.runtime.Matcher.PartialMatch<E>> match(E... rows)

match

public List<org.apache.calcite.runtime.Matcher.PartialMatch<E>> match(Iterable<E> rows)

createPartitionState

public org.apache.calcite.runtime.Matcher.PartitionState<E> createPartitionState(int history,
                                                                                 int future)

matchOne

protected void matchOne(org.apache.calcite.linq4j.MemoryFactory.Memory<E> rows,
                        org.apache.calcite.runtime.Matcher.PartitionState<E> partitionState,
                        Consumer<org.apache.calcite.runtime.Matcher.PartialMatch<E>> resultMatches)

Feeds a single input row into the given partition state, and writes the resulting output rows (if any). This method ignores the symbols that caused a transition.

matchOneWithSymbols

protected List<org.apache.calcite.runtime.Matcher.PartialMatch<E>> matchOneWithSymbols(org.apache.calcite.linq4j.MemoryFactory.Memory<E> rows,
                                                                                       org.apache.calcite.runtime.Matcher.PartitionState<E> partitionState)