org.apache.hadoop.io.file.tfile.CompareUtils.MemcmpRawComparator Java Examples
The following examples show how to use
org.apache.hadoop.io.file.tfile.CompareUtils.MemcmpRawComparator.
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Example #1
Source File: TFile.java From hadoop with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") static BytesComparator makeComparator(String comparator) { if (comparator.length() == 0) { // unsorted keys return null; } if (comparator.equals(COMPARATOR_MEMCMP)) { // default comparator return new BytesComparator(new MemcmpRawComparator()); } else if (comparator.startsWith(COMPARATOR_JCLASS)) { String compClassName = comparator.substring(COMPARATOR_JCLASS.length()).trim(); try { Class compClass = Class.forName(compClassName); // use its default ctor to create an instance return new BytesComparator((RawComparator<Object>) compClass .newInstance()); } catch (Exception e) { throw new IllegalArgumentException( "Failed to instantiate comparator: " + comparator + "(" + e.toString() + ")"); } } else { throw new IllegalArgumentException("Unsupported comparator: " + comparator); } }
Example #2
Source File: TFile.java From big-c with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") static BytesComparator makeComparator(String comparator) { if (comparator.length() == 0) { // unsorted keys return null; } if (comparator.equals(COMPARATOR_MEMCMP)) { // default comparator return new BytesComparator(new MemcmpRawComparator()); } else if (comparator.startsWith(COMPARATOR_JCLASS)) { String compClassName = comparator.substring(COMPARATOR_JCLASS.length()).trim(); try { Class compClass = Class.forName(compClassName); // use its default ctor to create an instance return new BytesComparator((RawComparator<Object>) compClass .newInstance()); } catch (Exception e) { throw new IllegalArgumentException( "Failed to instantiate comparator: " + comparator + "(" + e.toString() + ")"); } } else { throw new IllegalArgumentException("Unsupported comparator: " + comparator); } }
Example #3
Source File: DTFile.java From attic-apex-malhar with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") static BytesComparator makeComparator(String comparator) { if (comparator.length() == 0) { // unsorted keys return null; } if (comparator.equals(COMPARATOR_MEMCMP)) { // default comparator return new BytesComparator(new MemcmpRawComparator()); } else if (comparator.startsWith(COMPARATOR_JCLASS)) { String compClassName = comparator.substring(COMPARATOR_JCLASS.length()).trim(); try { Class compClass = Class.forName(compClassName); // use its default ctor to create an instance return new BytesComparator((RawComparator<Object>) compClass .newInstance()); } catch (Exception e) { throw new IllegalArgumentException( "Failed to instantiate comparator: " + comparator + "(" + e.toString() + ")"); } } else { throw new IllegalArgumentException("Unsupported comparator: " + comparator); } }
Example #4
Source File: TFile.java From RDFS with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") static BytesComparator makeComparator(String comparator) { if (comparator.length() == 0) { // unsorted keys return null; } if (comparator.equals(COMPARATOR_MEMCMP)) { // default comparator return new BytesComparator(new MemcmpRawComparator()); } else if (comparator.startsWith(COMPARATOR_JCLASS)) { String compClassName = comparator.substring(COMPARATOR_JCLASS.length()).trim(); try { Class compClass = Class.forName(compClassName); // use its default ctor to create an instance return new BytesComparator((RawComparator<Object>) compClass .newInstance()); } catch (Exception e) { throw new IllegalArgumentException( "Failed to instantiate comparator: " + comparator + "(" + e.toString() + ")"); } } else { throw new IllegalArgumentException("Unsupported comparator: " + comparator); } }
Example #5
Source File: TFile.java From hadoop-gpu with Apache License 2.0 | 5 votes |
@SuppressWarnings("unchecked") static BytesComparator makeComparator(String comparator) { if (comparator.length() == 0) { // unsorted keys return null; } if (comparator.equals(COMPARATOR_MEMCMP)) { // default comparator return new BytesComparator(new MemcmpRawComparator()); } else if (comparator.startsWith(COMPARATOR_JCLASS)) { String compClassName = comparator.substring(COMPARATOR_JCLASS.length()).trim(); try { Class compClass = Class.forName(compClassName); // use its default ctor to create an instance return new BytesComparator((RawComparator<Object>) compClass .newInstance()); } catch (Exception e) { throw new IllegalArgumentException( "Failed to instantiate comparator: " + comparator + "(" + e.toString() + ")"); } } else { throw new IllegalArgumentException("Unsupported comparator: " + comparator); } }