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new fc4bc695fd Add getData methods to Key that populate ArrayByteSequence
(#4779)
fc4bc695fd is described below
commit fc4bc695fd35ce95a70e8e7270b204561f36bc05
Author: John K <[email protected]>
AuthorDate: Thu Aug 1 19:09:51 2024 -0400
Add getData methods to Key that populate ArrayByteSequence (#4779)
Add methods getRowData, getColumnFamilyData, and
getColumnQualifierData which each return ArrayByteSequence objects
in Key.java. Modeled after getColumnVisibilityData method added
in #4735.
Fixes #4749
---
.../java/org/apache/accumulo/core/data/Key.java | 54 ++++++++++++++++++++--
1 file changed, 51 insertions(+), 3 deletions(-)
diff --git a/core/src/main/java/org/apache/accumulo/core/data/Key.java
b/core/src/main/java/org/apache/accumulo/core/data/Key.java
index 7d4b613af0..d6f0ebccf7 100644
--- a/core/src/main/java/org/apache/accumulo/core/data/Key.java
+++ b/core/src/main/java/org/apache/accumulo/core/data/Key.java
@@ -657,6 +657,21 @@ public class Key implements WritableComparable<Key>,
Cloneable {
return new ArrayByteSequence(row);
}
+ /**
+ * Writes the row ID into the given <code>ArrayByteSequence</code> without
allocating new object
+ * by using {@link
org.apache.accumulo.core.data.ArrayByteSequence#reset(byte[], int, int)}
+ * method. Using this updates existing ArrayByteSequence object with
reference to row data, rather
+ * than copying row data.
+ *
+ * @param r <code>ArrayByteSequence</code> object to copy into
+ * @return the <code>ArrayByteSequence</code> that was passed in
+ * @since 3.1.0
+ */
+ public ArrayByteSequence getRowData(ArrayByteSequence r) {
+ r.reset(row, 0, row.length);
+ return r;
+ }
+
/**
* Gets the row ID as a <code>Text</code> object.
*
@@ -686,6 +701,21 @@ public class Key implements WritableComparable<Key>,
Cloneable {
return new ArrayByteSequence(colFamily);
}
+ /**
+ * Writes the column family into the given <code>ArrayByteSequence</code>
without allocating new
+ * object by using {@link
org.apache.accumulo.core.data.ArrayByteSequence#reset(byte[], int, int)}
+ * method. Using this updates existing ArrayByteSequence object with
reference to column family
+ * data, rather than copying column family data.
+ *
+ * @param cf <code>ArrayByteSequence</code> object to copy into
+ * @return the <code>ArrayByteSequence</code> that was passed in
+ * @since 3.1.0
+ */
+ public ArrayByteSequence getColumnFamilyData(ArrayByteSequence cf) {
+ cf.reset(colFamily, 0, colFamily.length);
+ return cf;
+ }
+
/**
* Writes the column family into the given <code>Text</code>. This method
gives users control over
* allocation of Text objects by copying into the passed in text.
@@ -729,6 +759,22 @@ public class Key implements WritableComparable<Key>,
Cloneable {
return new ArrayByteSequence(colQualifier);
}
+ /**
+ * Writes the column qualifier into the given <code>ArrayByteSequence</code>
without allocating
+ * new object by using
+ * {@link org.apache.accumulo.core.data.ArrayByteSequence#reset(byte[], int,
int)} method. Using
+ * this updates existing ArrayByteSequence object with reference to column
qualifier data, rather
+ * than copying column qualifier data.
+ *
+ * @param cq <code>ArrayByteSequence</code> object to copy into
+ * @return the <code>ArrayByteSequence</code> that was passed in
+ * @since 3.1.0
+ */
+ public ArrayByteSequence getColumnQualifierData(ArrayByteSequence cq) {
+ cq.reset(colQualifier, 0, colQualifier.length);
+ return cq;
+ }
+
/**
* Writes the column qualifier into the given <code>Text</code>. This method
gives users control
* over allocation of Text objects by copying into the passed in text.
@@ -808,9 +854,11 @@ public class Key implements WritableComparable<Key>,
Cloneable {
}
/**
- * Writes the column visibility into the given
<code>ArrayByteSequence</code>. This method gives
- * users control over allocation of ArrayByteSequence objects by copying
into the passed in
- * ArrayByteSequence.
+ * Writes the column visibility into the given
<code>ArrayByteSequence</code> without allocating
+ * new object by using
+ * {@link org.apache.accumulo.core.data.ArrayByteSequence#reset(byte[], int,
int)} method. Using
+ * this updates existing ArrayByteSequence object with reference to column
visibility data, rather
+ * than copying column visibility data.
*
* @param cv <code>ArrayByteSequence</code> object to copy into
* @return the <code>ArrayByteSequence</code> that was passed in
