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Merge remote-tracking branch 'origin/master'

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Rob Austin
2014-11-13 12:45:59 +00:00
parent 4f8bdfb0a3 1d1cd4e80e
commit cdbe799c2b
1 changed files with 9 additions and 11 deletions
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src/main/java/net/openhft/chronicle/map/ChronicleMap.java
+9 -11
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@@ -112,16 +112,14 @@ public interface ChronicleMap<K, V> extends ConcurrentMap<K, V>, ChronicleHash {
* method, depending on what deserialization strategy is configured on the builder, using which this map
* was constructed. If the value deserializer is able to reuse the given {@code usingValue} object,
* calling this method instead of {@link #get(Object)} could help to reduce garbage creation.
*
* <p> try (ReadContext&gt;?, BondVOInterface&lt; context = map.getUsingLocked(key,using)) {
* BondVOInterface bond = context.value().getValue();
*
* long issueDate = bond.getIssueDate(); String symbol = bond.getSymbol();
*
* // add your logic here ( the lock will ensure this bond can not be changed by another thread )
*
* } // the read lock is released here </p>
*
* <pre>{@code
* try (ReadContext<BondVOInterface> context = map.getUsingLocked(key,using)) {
* BondVOInterface bond = context.value().getValue();
* long issueDate = bond.getIssueDate();
* String symbol = bond.getSymbol();
* // add your logic here (the lock will ensure this bond can not be changed by another thread)
* } // the read lock is released here.
* }</pre></>
* To ensure that you can read the 'issueDate' and 'symbol' can be read atomically, these values must be
* read while the segment lock is in place.
*
@@ -143,7 +141,7 @@ public interface ChronicleMap<K, V> extends ConcurrentMap<K, V>, ChronicleHash {
/**
* Acquire a value for a key, creating if absent.
*
* <p>If the specified key if absent in the map, {@linkplain AbstractChronicleMapBuilder#defaultValue(Object)
* <p>If the specified key is absent in the map, {@linkplain AbstractChronicleMapBuilder#defaultValue(Object)
* default value} is taken or {@linkplain AbstractChronicleMapBuilder#defaultValueProvider(DefaultValueProvider)
* default value provider} is called. Then this object is put to this map for the specified key.
*