Github user chaithu14 commented on a diff in the pull request:
https://github.com/apache/apex-malhar/pull/324#discussion_r68926798
--- Diff:
library/src/main/java/org/apache/apex/malhar/lib/state/spillable/SpillableByteArrayListMultimapImpl.java
---
@@ -0,0 +1,241 @@
+package org.apache.apex.malhar.lib.state.spillable;
+
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.annotation.Nullable;
+import javax.validation.constraints.NotNull;
+
+import org.apache.apex.malhar.lib.utils.serde.PassThruByteArraySliceSerde;
+import org.apache.apex.malhar.lib.utils.serde.Serde;
+import org.apache.apex.malhar.lib.utils.serde.SerdeIntSlice;
+import org.apache.apex.malhar.lib.utils.serde.SliceUtils;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Multiset;
+
+import com.datatorrent.api.Context;
+import com.datatorrent.netlet.util.Slice;
+
+/**
+ * Created by tfarkas on 6/12/16.
+ */
+public class SpillableByteArrayListMultimapImpl<K, V> implements
Spillable.SpillableByteArrayListMultimap<K, V>,
+ Spillable.SpillableComponent
+{
+ public static final int DEFAULT_BATCH_SIZE = 1000;
+ public static final byte[] SIZE_KEY_SUFFIX = new byte[]{(byte)0,
(byte)0, (byte)0};
+
+ private int batchSize = DEFAULT_BATCH_SIZE;
+
+ private WindowBoundedMapCache<K, SpillableArrayListImpl<V>> cache = new
WindowBoundedMapCache<>();
+
+ @NotNull
+ private SpillableByteMapImpl<byte[], Integer> map;
+
+ private SpillableStateStore store;
+ private byte[] identifier;
+ private long bucket;
+ private Serde<K, Slice> serdeKey;
+ private Serde<V, Slice> serdeValue;
+
+ public SpillableByteArrayListMultimapImpl(SpillableStateStore store,
byte[] identifier, long bucket,
+ Serde<K, Slice> serdeKey,
+ Serde<V, Slice> serdeValue)
+ {
+ this.store = Preconditions.checkNotNull(store);
+ this.identifier = Preconditions.checkNotNull(identifier);
+ this.bucket = bucket;
+ this.serdeKey = Preconditions.checkNotNull(serdeKey);
+ this.serdeValue = Preconditions.checkNotNull(serdeValue);
+
+ map = new SpillableByteMapImpl(store, identifier, bucket, new
PassThruByteArraySliceSerde(), new SerdeIntSlice());
+ }
+
+ @Override
+ public List<V> get(@Nullable K key)
+ {
+ return getHelper(key);
+ }
+
--- End diff --
I think, we need to provide the asynchronous get method also.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
