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18 package org.apache.shardingsphere.infra.route.context;
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20 import lombok.EqualsAndHashCode;
21 import lombok.Getter;
22 import lombok.RequiredArgsConstructor;
23 import lombok.ToString;
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25 import java.util.Collection;
26 import java.util.HashSet;
27 import java.util.Optional;
28 import java.util.Set;
29 import java.util.stream.Collectors;
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34 @RequiredArgsConstructor
35 @Getter
36 @EqualsAndHashCode
37 @ToString
38 public final class RouteUnit {
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40 private final RouteMapper dataSourceMapper;
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42 private final Collection<RouteMapper> tableMappers;
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49 public Set<String> getLogicTableNames() {
50 return tableMappers.stream().map(RouteMapper::getLogicName).collect(Collectors.toCollection(() -> new HashSet<>(tableMappers.size(), 1L)));
51 }
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59 public Set<String> getActualTableNames(final String logicTableName) {
60 return tableMappers.stream().filter(each -> logicTableName.equalsIgnoreCase(each.getLogicName())).map(RouteMapper::getActualName).collect(Collectors.toSet());
61 }
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70 public Optional<RouteMapper> findTableMapper(final String logicDataSourceName, final String actualTableName) {
71 for (RouteMapper each : tableMappers) {
72 if (logicDataSourceName.equalsIgnoreCase(dataSourceMapper.getLogicName()) && actualTableName.equalsIgnoreCase(each.getActualName())) {
73 return Optional.of(each);
74 }
75 }
76 return Optional.empty();
77 }
78 }