本文整理汇总了Java中org.apache.hadoop.hbase.KeyValue.MetaComparator类的典型用法代码示例。如果您正苦于以下问题：Java MetaComparator类的具体用法？Java MetaComparator怎么用？Java MetaComparator使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
MetaComparator类属于org.apache.hadoop.hbase.KeyValue包，在下文中一共展示了MetaComparator类的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: metacomparisons
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
private void metacomparisons(final KeyValue.MetaComparator c) {
long now = System.currentTimeMillis();
assertTrue(c.compare(new KeyValue(
Bytes.toBytes(TableName.META_TABLE_NAME.getNameAsString()+",a,,0,1"), now),
new KeyValue(
Bytes.toBytes(TableName.META_TABLE_NAME.getNameAsString()+",a,,0,1"), now)) == 0);
KeyValue a = new KeyValue(
Bytes.toBytes(TableName.META_TABLE_NAME.getNameAsString()+",a,,0,1"), now);
KeyValue b = new KeyValue(
Bytes.toBytes(TableName.META_TABLE_NAME.getNameAsString()+",a,,0,2"), now);
assertTrue(c.compare(a, b) < 0);
assertTrue(c.compare(new KeyValue(
Bytes.toBytes(TableName.META_TABLE_NAME.getNameAsString()+",a,,0,2"), now),
new KeyValue(
Bytes.toBytes(TableName.META_TABLE_NAME.getNameAsString()+",a,,0,1"), now)) > 0);
}
示例2: testBadMetaCompareSingleDelim
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
public void testBadMetaCompareSingleDelim() {
MetaComparator c = new KeyValue.MetaComparator();
long now = System.currentTimeMillis();
// meta keys values are not quite right. A users can enter illegal values
// from shell when scanning meta.
KeyValue a = new KeyValue(Bytes.toBytes("table,a1"), now);
KeyValue b = new KeyValue(Bytes.toBytes("table,a2"), now);
try {
c.compare(a, b);
} catch (IllegalArgumentException iae) {
assertEquals(".META. key must have two ',' delimiters and have the following" +
" format: '<table>,<key>,<etc>'", iae.getMessage());
return;
}
fail("Expected IllegalArgumentException");
}
示例3: testBadMetaCompareSingleDelim
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
public void testBadMetaCompareSingleDelim() {
MetaComparator c = new KeyValue.MetaComparator();
long now = System.currentTimeMillis();
// meta keys values are not quite right. A users can enter illegal values
// from shell when scanning meta.
KeyValue a = new KeyValue(Bytes.toBytes("table,a1"), now);
KeyValue b = new KeyValue(Bytes.toBytes("table,a2"), now);
try {
c.compare(a, b);
} catch (IllegalArgumentException iae) {
assertEquals("hbase:meta key must have two ',' delimiters and have the following" +
" format: '<table>,<key>,<etc>'", iae.getMessage());
return;
}
fail("Expected IllegalArgumentException");
}
示例4: testBadMetaCompareSingleDelim
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
public void testBadMetaCompareSingleDelim() {
MetaComparator c = new KeyValue.MetaComparator();
long now = System.currentTimeMillis();
// meta keys values are not quite right. A users can enter illegal values
// from shell when scanning meta.
KeyValue a = new KeyValue(Bytes.toBytes("table,a1"), now);
KeyValue b = new KeyValue(Bytes.toBytes("table,a2"), now);
try {
c.compare(a, b);
} catch (IllegalArgumentException iae) {
assertEquals(".META. key must have two ',' delimiters and have the following" +
" format: '<table>,<key>,<etc>'", iae.getMessage());
return;
}
fail("Expected IllegalArgumentException");
}
示例5: createSeeker
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
/**
* Is this the correct handling of an illegal comparator? How to prevent that from getting all
* the way to this point.
*/
@Override
public EncodedSeeker createSeeker(KVComparator comparator, HFileBlockDecodingContext decodingCtx) {
if (comparator instanceof RawBytesComparator){
throw new IllegalArgumentException("comparator must be KeyValue.KeyComparator");
} else if (comparator instanceof MetaComparator){
throw new IllegalArgumentException("DataBlockEncoding.PREFIX_TREE not compatible with hbase:meta "
+"table");
}
return new PrefixTreeSeeker(decodingCtx.getHFileContext().isIncludesMvcc());
}
示例6: testMoreComparisons
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
public void testMoreComparisons() throws Exception {
long now = System.currentTimeMillis();
// Meta compares
KeyValue aaa = new KeyValue(
Bytes.toBytes("TestScanMultipleVersions,row_0500,1236020145502"), now);
KeyValue bbb = new KeyValue(
Bytes.toBytes("TestScanMultipleVersions,,99999999999999"), now);
KVComparator c = new KeyValue.MetaComparator();
assertTrue(c.compare(bbb, aaa) < 0);
KeyValue aaaa = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,,1236023996656"),
Bytes.toBytes("info"), Bytes.toBytes("regioninfo"), 1236024396271L,
(byte[])null);
assertTrue(c.compare(aaaa, bbb) < 0);
KeyValue x = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,row_0500,1236034574162"),
Bytes.toBytes("info"), Bytes.toBytes(""), 9223372036854775807L,
(byte[])null);
KeyValue y = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,row_0500,1236034574162"),
Bytes.toBytes("info"), Bytes.toBytes("regioninfo"), 1236034574912L,
(byte[])null);
assertTrue(c.compare(x, y) < 0);
comparisons(new KeyValue.MetaComparator());
comparisons(new KeyValue.KVComparator());
metacomparisons(new KeyValue.MetaComparator());
}
示例7: testMetaComparatorTableKeysWithCommaOk
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
public void testMetaComparatorTableKeysWithCommaOk() {
MetaComparator c = new KeyValue.MetaComparator();
long now = System.currentTimeMillis();
// meta keys values are not quite right. A users can enter illegal values
// from shell when scanning meta.
KeyValue a = new KeyValue(Bytes.toBytes("table,key,with,commas1,1234"), now);
KeyValue b = new KeyValue(Bytes.toBytes("table,key,with,commas2,0123"), now);
assertTrue(c.compare(a, b) < 0);
}
示例8: testMoreComparisons
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
public void testMoreComparisons() throws Exception {
// Root compares
long now = System.currentTimeMillis();
KeyValue a = new KeyValue(Bytes.toBytes(".META.,,99999999999999"), now);
KeyValue b = new KeyValue(Bytes.toBytes(".META.,,1"), now);
KVComparator c = new KeyValue.RootComparator();
assertTrue(c.compare(b, a) < 0);
KeyValue aa = new KeyValue(Bytes.toBytes(".META.,,1"), now);
KeyValue bb = new KeyValue(Bytes.toBytes(".META.,,1"),
Bytes.toBytes("info"), Bytes.toBytes("regioninfo"), 1235943454602L,
(byte[])null);
assertTrue(c.compare(aa, bb) < 0);
// Meta compares
KeyValue aaa = new KeyValue(
Bytes.toBytes("TestScanMultipleVersions,row_0500,1236020145502"), now);
KeyValue bbb = new KeyValue(
Bytes.toBytes("TestScanMultipleVersions,,99999999999999"), now);
c = new KeyValue.MetaComparator();
assertTrue(c.compare(bbb, aaa) < 0);
KeyValue aaaa = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,,1236023996656"),
Bytes.toBytes("info"), Bytes.toBytes("regioninfo"), 1236024396271L,
(byte[])null);
assertTrue(c.compare(aaaa, bbb) < 0);
KeyValue x = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,row_0500,1236034574162"),
Bytes.toBytes("info"), Bytes.toBytes(""), 9223372036854775807L,
(byte[])null);
KeyValue y = new KeyValue(Bytes.toBytes("TestScanMultipleVersions,row_0500,1236034574162"),
Bytes.toBytes("info"), Bytes.toBytes("regioninfo"), 1236034574912L,
(byte[])null);
assertTrue(c.compare(x, y) < 0);
comparisons(new KeyValue.MetaComparator());
comparisons(new KeyValue.KVComparator());
metacomparisons(new KeyValue.RootComparator());
metacomparisons(new KeyValue.MetaComparator());
}
示例9: testMetaComparatorTableKeysWithCommaOk
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
public void testMetaComparatorTableKeysWithCommaOk() {
MetaComparator c = new KeyValue.MetaComparator();
long now = System.currentTimeMillis();
// meta keys values are not quite right. A users can enter illegal values
// from shell when scanning meta.
KeyValue a = new KeyValue(Bytes.toBytes("table,key,with,commas1,1234"), now);
KeyValue b = new KeyValue(Bytes.toBytes("table,key,with,commas2,0123"), now);
assertTrue(c.compare(a, b) < 0);
}
示例10: metacomparisons
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
private void metacomparisons(final KeyValue.MetaComparator c) {
long now = System.currentTimeMillis();
assertTrue(c.compare(new KeyValue(Bytes.toBytes(".META.,a,,0,1"), now),
new KeyValue(Bytes.toBytes(".META.,a,,0,1"), now)) == 0);
KeyValue a = new KeyValue(Bytes.toBytes(".META.,a,,0,1"), now);
KeyValue b = new KeyValue(Bytes.toBytes(".META.,a,,0,2"), now);
assertTrue(c.compare(a, b) < 0);
assertTrue(c.compare(new KeyValue(Bytes.toBytes(".META.,a,,0,2"), now),
new KeyValue(Bytes.toBytes(".META.,a,,0,1"), now)) > 0);
}
示例11: createSeeker
import org.apache.hadoop.hbase.KeyValue.MetaComparator; //导入依赖的package包/类
/**
* Is this the correct handling of an illegal comparator? How to prevent that from getting all
* the way to this point.
*/
@Override
public EncodedSeeker createSeeker(KVComparator comparator, boolean includesMvccVersion) {
if (comparator instanceof RawBytesComparator){
throw new IllegalArgumentException("comparator must be KeyValue.KeyComparator");
} else if (comparator instanceof MetaComparator){
throw new IllegalArgumentException("DataBlockEncoding.PREFIX_TREE not compatible with hbase:meta "
+"table");
}
return new PrefixTreeSeeker(includesMvccVersion);
}