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6 | 6 | import java.util.stream.Collectors; |
7 | 7 |
|
8 | 8 | public class DeltaSharingCapabilities { |
9 | | - private final Map<String, String> values; |
| 9 | + private final Map<String, String> values; |
10 | 10 |
|
11 | | - public DeltaSharingCapabilities(Map<String, String> values) { |
12 | | - this.values = Map.copyOf(values); |
13 | | - } |
14 | | - |
15 | | - public Map<String, String> values() { |
16 | | - return values; |
17 | | - } |
| 11 | + public DeltaSharingCapabilities(Map<String, String> values) { |
| 12 | + this.values = Map.copyOf(values); |
| 13 | + } |
18 | 14 |
|
19 | | - public DeltaSharingResponseFormat getResponseFormat() { |
20 | | - var value = values.get(DELTA_SHARING_RESPONSE_FORMAT); |
21 | | - if (value == null) { |
22 | | - return DeltaSharingResponseFormat.PARQUET; |
23 | | - } else { |
24 | | - return DeltaSharingResponseFormat.valueOf(value.toUpperCase()); |
25 | | - } |
26 | | - } |
| 15 | + public Map<String, String> values() { |
| 16 | + return values; |
| 17 | + } |
27 | 18 |
|
28 | | - public Set<DeltaSharingReaderFeatures> getReaderFeatures() { |
29 | | - var value = values.get(DELTA_SHARING_READER_FEATURES); |
30 | | - if (value == null) { |
31 | | - return Set.of(); |
32 | | - } else { |
33 | | - return Arrays.stream(value.split(",")) |
34 | | - .map(String::trim) |
35 | | - .map(DeltaSharingReaderFeatures::fromString) |
36 | | - .collect(Collectors.toSet()); |
37 | | - } |
| 19 | + public DeltaSharingResponseFormat getResponseFormat() { |
| 20 | + var value = values.get(DELTA_SHARING_RESPONSE_FORMAT); |
| 21 | + if (value == null) { |
| 22 | + return DeltaSharingResponseFormat.PARQUET; |
| 23 | + } else { |
| 24 | + return DeltaSharingResponseFormat.valueOf(value.toUpperCase()); |
38 | 25 | } |
| 26 | + } |
39 | 27 |
|
40 | | - public final static String DELTA_SHARING_RESPONSE_FORMAT = "responseformat"; |
41 | | - public final static String DELTA_SHARING_READER_FEATURES = "readerfeatures"; |
42 | | - |
43 | | - public enum DeltaSharingResponseFormat { |
44 | | - DELTA, PARQUET |
| 28 | + public Set<DeltaSharingReaderFeatures> getReaderFeatures() { |
| 29 | + var value = values.get(DELTA_SHARING_READER_FEATURES); |
| 30 | + if (value == null) { |
| 31 | + return Set.of(); |
| 32 | + } else { |
| 33 | + return Arrays.stream(value.split(",")) |
| 34 | + .map(String::trim) |
| 35 | + .map(DeltaSharingReaderFeatures::fromString) |
| 36 | + .collect(Collectors.toSet()); |
45 | 37 | } |
| 38 | + } |
46 | 39 |
|
47 | | - public enum DeltaSharingReaderFeatures { |
48 | | - DELETION_VECTORS("deletionvectors"), |
49 | | - COLUMN_MAPPING("columnmapping"), |
50 | | - TIMESTAMP_NTZ("timestampntz"), |
51 | | - DOMAIN_METADATA("domainmetadata"), |
52 | | - V2CHECKPOINT("v2checkpoint"), |
53 | | - CHECK_CONSTRAINTS("checkconstraints"), |
54 | | - GENERATED_COLUMNS("generatedcolumns"), |
55 | | - ALLOW_COLUMN_DEFAULTS("allowcolumndefaults"), |
56 | | - IDENTITY_COLUMNS("identitycolumns"); |
| 40 | + public static final String DELTA_SHARING_RESPONSE_FORMAT = "responseformat"; |
| 41 | + public static final String DELTA_SHARING_READER_FEATURES = "readerfeatures"; |
57 | 42 |
|
58 | | - DeltaSharingReaderFeatures(String stringRepresentation) { |
59 | | - this.stringRepresentation = stringRepresentation; |
60 | | - } |
| 43 | + public enum DeltaSharingResponseFormat { |
| 44 | + DELTA, |
| 45 | + PARQUET |
| 46 | + } |
61 | 47 |
|
62 | | - private final String stringRepresentation; |
| 48 | + public enum DeltaSharingReaderFeatures { |
| 49 | + DELETION_VECTORS("deletionvectors"), |
| 50 | + COLUMN_MAPPING("columnmapping"), |
| 51 | + TIMESTAMP_NTZ("timestampntz"), |
| 52 | + DOMAIN_METADATA("domainmetadata"), |
| 53 | + V2CHECKPOINT("v2checkpoint"), |
| 54 | + CHECK_CONSTRAINTS("checkconstraints"), |
| 55 | + GENERATED_COLUMNS("generatedcolumns"), |
| 56 | + ALLOW_COLUMN_DEFAULTS("allowcolumndefaults"), |
| 57 | + IDENTITY_COLUMNS("identitycolumns"); |
63 | 58 |
|
64 | | - public String stringRepresentation() { |
65 | | - return stringRepresentation; |
66 | | - } |
| 59 | + DeltaSharingReaderFeatures(String stringRepresentation) { |
| 60 | + this.stringRepresentation = stringRepresentation; |
| 61 | + } |
67 | 62 |
|
68 | | - public static DeltaSharingReaderFeatures fromString(String s) { |
69 | | - switch (s) { |
70 | | - case DELTA_SHARING_READER_FEATURE_DELETION_VECTOR: |
71 | | - return DeltaSharingReaderFeatures.DELETION_VECTORS; |
72 | | - case DELTA_SHARING_READER_FEATURE_COLUMN_MAPPING: |
73 | | - return DeltaSharingReaderFeatures.COLUMN_MAPPING; |
74 | | - case DELTA_SHARING_READER_FEATURE_TIMESTAMP_NTZ: |
75 | | - return DeltaSharingReaderFeatures.TIMESTAMP_NTZ; |
76 | | - case DELTA_SHARING_READER_FEATURE_DOMAIN_METADATA: |
77 | | - return DeltaSharingReaderFeatures.DOMAIN_METADATA; |
78 | | - case DELTA_SHARING_READER_FEATURE_V2CHECKPOINT: |
79 | | - return DeltaSharingReaderFeatures.V2CHECKPOINT; |
80 | | - case DELTA_SHARING_READER_FEATURE_CHECK_CONSTRAINTS: |
81 | | - return DeltaSharingReaderFeatures.CHECK_CONSTRAINTS; |
82 | | - case DELTA_SHARING_READER_FEATURE_GENERATED_COLUMNS: |
83 | | - return DeltaSharingReaderFeatures.GENERATED_COLUMNS; |
84 | | - case DELTA_SHARING_READER_FEATURE_ALLOW_COLUMN_DEFAULTS: |
85 | | - return DeltaSharingReaderFeatures.ALLOW_COLUMN_DEFAULTS; |
86 | | - case DELTA_SHARING_READER_FEATURE_IDENTITY_COLUMNS: |
87 | | - return DeltaSharingReaderFeatures.IDENTITY_COLUMNS; |
88 | | - default: |
89 | | - throw new IllegalArgumentException("Unknown reader feature: " + s); |
90 | | - } |
91 | | - } |
| 63 | + private final String stringRepresentation; |
92 | 64 |
|
93 | | - private final static String DELTA_SHARING_READER_FEATURE_DELETION_VECTOR = "deletionvectors"; |
94 | | - private final static String DELTA_SHARING_READER_FEATURE_COLUMN_MAPPING = "columnmapping"; |
95 | | - private final static String DELTA_SHARING_READER_FEATURE_TIMESTAMP_NTZ = "timestampntz"; |
96 | | - private final static String DELTA_SHARING_READER_FEATURE_DOMAIN_METADATA = "domainmetadata"; |
97 | | - private final static String DELTA_SHARING_READER_FEATURE_V2CHECKPOINT = "v2checkpoint"; |
98 | | - private final static String DELTA_SHARING_READER_FEATURE_CHECK_CONSTRAINTS = "checkconstraints"; |
99 | | - private final static String DELTA_SHARING_READER_FEATURE_GENERATED_COLUMNS = "generatedcolumns"; |
100 | | - private final static String DELTA_SHARING_READER_FEATURE_ALLOW_COLUMN_DEFAULTS = "allowcolumndefaults"; |
101 | | - private final static String DELTA_SHARING_READER_FEATURE_IDENTITY_COLUMNS = "identitycolumns"; |
| 65 | + public String stringRepresentation() { |
| 66 | + return stringRepresentation; |
| 67 | + } |
102 | 68 |
|
| 69 | + public static DeltaSharingReaderFeatures fromString(String s) { |
| 70 | + switch (s) { |
| 71 | + case DELTA_SHARING_READER_FEATURE_DELETION_VECTOR: |
| 72 | + return DeltaSharingReaderFeatures.DELETION_VECTORS; |
| 73 | + case DELTA_SHARING_READER_FEATURE_COLUMN_MAPPING: |
| 74 | + return DeltaSharingReaderFeatures.COLUMN_MAPPING; |
| 75 | + case DELTA_SHARING_READER_FEATURE_TIMESTAMP_NTZ: |
| 76 | + return DeltaSharingReaderFeatures.TIMESTAMP_NTZ; |
| 77 | + case DELTA_SHARING_READER_FEATURE_DOMAIN_METADATA: |
| 78 | + return DeltaSharingReaderFeatures.DOMAIN_METADATA; |
| 79 | + case DELTA_SHARING_READER_FEATURE_V2CHECKPOINT: |
| 80 | + return DeltaSharingReaderFeatures.V2CHECKPOINT; |
| 81 | + case DELTA_SHARING_READER_FEATURE_CHECK_CONSTRAINTS: |
| 82 | + return DeltaSharingReaderFeatures.CHECK_CONSTRAINTS; |
| 83 | + case DELTA_SHARING_READER_FEATURE_GENERATED_COLUMNS: |
| 84 | + return DeltaSharingReaderFeatures.GENERATED_COLUMNS; |
| 85 | + case DELTA_SHARING_READER_FEATURE_ALLOW_COLUMN_DEFAULTS: |
| 86 | + return DeltaSharingReaderFeatures.ALLOW_COLUMN_DEFAULTS; |
| 87 | + case DELTA_SHARING_READER_FEATURE_IDENTITY_COLUMNS: |
| 88 | + return DeltaSharingReaderFeatures.IDENTITY_COLUMNS; |
| 89 | + default: |
| 90 | + throw new IllegalArgumentException("Unknown reader feature: " + s); |
| 91 | + } |
103 | 92 | } |
| 93 | + |
| 94 | + private static final String DELTA_SHARING_READER_FEATURE_DELETION_VECTOR = "deletionvectors"; |
| 95 | + private static final String DELTA_SHARING_READER_FEATURE_COLUMN_MAPPING = "columnmapping"; |
| 96 | + private static final String DELTA_SHARING_READER_FEATURE_TIMESTAMP_NTZ = "timestampntz"; |
| 97 | + private static final String DELTA_SHARING_READER_FEATURE_DOMAIN_METADATA = "domainmetadata"; |
| 98 | + private static final String DELTA_SHARING_READER_FEATURE_V2CHECKPOINT = "v2checkpoint"; |
| 99 | + private static final String DELTA_SHARING_READER_FEATURE_CHECK_CONSTRAINTS = "checkconstraints"; |
| 100 | + private static final String DELTA_SHARING_READER_FEATURE_GENERATED_COLUMNS = "generatedcolumns"; |
| 101 | + private static final String DELTA_SHARING_READER_FEATURE_ALLOW_COLUMN_DEFAULTS = |
| 102 | + "allowcolumndefaults"; |
| 103 | + private static final String DELTA_SHARING_READER_FEATURE_IDENTITY_COLUMNS = "identitycolumns"; |
| 104 | + } |
104 | 105 | } |
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