forgot files in last commit :(
git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1566 123451ca-8445-de46-9d55-352943316053
diff --git a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMFlushPolicy.java b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMFlushPolicy.java
index 82cee54..3b3b8c0 100644
--- a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMFlushPolicy.java
+++ b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/api/ILSMFlushPolicy.java
@@ -2,5 +2,5 @@
public interface ILSMFlushPolicy {
- public void shouldFlush(ILSMIndex harness);
+ public void shouldFlush(ILSMIndex index);
}
\ No newline at end of file
diff --git a/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/SequentialFlushPolicy.java b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/SequentialFlushPolicy.java
new file mode 100644
index 0000000..52c0035
--- /dev/null
+++ b/hyracks-storage-am-lsm-common/src/main/java/edu/uci/ics/hyracks/storage/am/lsm/common/impls/SequentialFlushPolicy.java
@@ -0,0 +1,41 @@
+package edu.uci.ics.hyracks.storage.am.lsm.common.impls;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.logging.Logger;
+
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+import edu.uci.ics.hyracks.storage.am.common.api.IndexException;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMFlushPolicy;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndex;
+import edu.uci.ics.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
+
+public enum SequentialFlushPolicy implements ILSMFlushPolicy {
+ INSTANCE;
+
+ private static final Logger LOGGER = Logger.getLogger(SequentialFlushPolicy.class.getName());
+
+ private final ExecutorService executor;
+
+ private SequentialFlushPolicy() {
+ executor = Executors.newSingleThreadExecutor();
+ }
+
+ @Override
+ public void shouldFlush(final ILSMIndex index) {
+ executor.submit(new Runnable() {
+ public void run() {
+ try {
+ LOGGER.info("flushing");
+ ((ILSMIndexAccessor) index.createAccessor()).flush();
+ LOGGER.info("finished flushing");
+ } catch (HyracksDataException e) {
+ LOGGER.info(e.getMessage());
+ } catch (IndexException e) {
+ LOGGER.info(e.getMessage());
+ }
+ LOGGER.info("Thread should end");
+ }
+ });
+ }
+}