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[Java] Add SizeUnit in org.rocksdb.util to store const like KB, GB.

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Summary:
* Add a class SizeUnit to store frequently used consts.  Currently
  it has KB, MB, GB, TB, and PB.

* Change the parameter type of Options.writeBufferSize and Options.blockSize
  from int to long.

Test Plan:
make rocksdbjava
make jtest

Reviewers: haobo, ankgup87, sdong, dhruba

Reviewed By: haobo

CC: leveldb

Differential Revision: https://reviews.facebook.net/D17703
This commit is contained in:
Yueh-Hsuan Chiang
2014-04-14 14:03:43 -07:00
parent 31e7e7fe84
commit 51f4b5090d
5 changed files with 39 additions and 22 deletions
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16
java/org/rocksdb/Options.java
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@@ -71,7 +71,7 @@ public class Options {
* @return the instance of the current Options.
* @see RocksDB.open()
*/
public Options setWriteBufferSize(int writeBufferSize) {
public Options setWriteBufferSize(long writeBufferSize) {
assert(isInitialized());
setWriteBufferSize(nativeHandle_, writeBufferSize);
return this;
@@ -83,7 +83,7 @@ public class Options {
* @return size of write buffer.
* @see setWriteBufferSize()
*/
public int writeBufferSize() {
public long writeBufferSize() {
assert(isInitialized());
return writeBufferSize(nativeHandle_);
}
@@ -127,7 +127,7 @@ public class Options {
* @return the instance of the current Options.
* @see RocksDB.open()
*/
public Options setBlockSize(int blockSize) {
public Options setBlockSize(long blockSize) {
assert(isInitialized());
setBlockSize(nativeHandle_, blockSize);
return this;
@@ -139,7 +139,7 @@ public class Options {
* @return block size.
* @see setBlockSize()
*/
public int blockSize() {
public long blockSize() {
assert(isInitialized());
return blockSize(nativeHandle_);
}
@@ -236,13 +236,13 @@ public class Options {
private native void dispose0();
private native void setCreateIfMissing(long handle, boolean flag);
private native boolean createIfMissing(long handle);
private native void setWriteBufferSize(long handle, int writeBufferSize);
private native int writeBufferSize(long handle);
private native void setWriteBufferSize(long handle, long writeBufferSize);
private native long writeBufferSize(long handle);
private native void setMaxWriteBufferNumber(
long handle, int maxWriteBufferNumber);
private native int maxWriteBufferNumber(long handle);
private native void setBlockSize(long handle, int blockSize);
private native int blockSize(long handle);
private native void setBlockSize(long handle, long blockSize);
private native long blockSize(long handle);
private native void setDisableSeekCompaction(
long handle, boolean disableSeekCompaction);
private native boolean disableSeekCompaction(long handle);