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Implemented forEachEntry() and forEachEntryWhile()

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leventov
2015-01-20 01:00:38 +07:00
parent f53a93275c
commit 06b326ab05
34 changed files with 575 additions and 239 deletions
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src/main/java/net/openhft/chronicle/hash/ChronicleHash.java
+34 -2
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@@ -18,6 +18,8 @@
package net.openhft.chronicle.hash;
import net.openhft.chronicle.hash.function.Consumer;
import net.openhft.chronicle.hash.function.Predicate;
import net.openhft.chronicle.map.ChronicleMap;
import net.openhft.chronicle.set.ChronicleSet;
@@ -28,7 +30,7 @@ import java.io.File;
* This interface defines common {@link ChronicleMap} and {@link ChronicleSet}, related to off-heap
* memory management and file-mapping. Not usable by itself.
*/
public interface ChronicleHash<K> extends Closeable {
public interface ChronicleHash<K, C extends KeyContext<K>> extends Closeable {
/**
* Returns the file this hash container mapped to, i. e. when it is created by
* {@link ChronicleHashBuilder#create()} call, or {@code null} if it is purely in-memory,
@@ -42,13 +44,43 @@ public interface ChronicleHash<K> extends Closeable {
long longSize();
KeyContext context(K key);
C context(K key);
/**
* @return the class of {@code <K>}
*/
Class<K> keyClass();
/**
* Checks the given predicate on each entry in this {@code ChronicleHash} until all entries
* have been processed or the predicate returns {@code false} for some entry, or throws
* an {@code Exception}. Exceptions thrown by the predicate are relayed to the caller.
*
* <p>The order in which the entries will be processed is unspecified. It might differ from
* the order of iteration via {@code Iterator} returned by any method of this
* {@code ChronicleHash} or it's collection view.
*
* <p>If the {@code ChronicleHash} is empty, this method returns {@code true} immediately.
*
* @param predicate the predicate to be checked for each entry
* @return {@code true} if the predicate returned {@code true} for all entries of
* the {@code ChronicleHash}, {@code false} if it returned {@code false} for the entry
*/
boolean forEachEntryWhile(Predicate<? super C> predicate);
/**
* Performs the given action for each entry in this {@code ChronicleHash} until all entries have
* been processed or the action throws an {@code Exception}. Exceptions thrown by the action are
* relayed to the caller.
*
* <p>The order in which the entries will be processed is unspecified. It might differ from
* the order of iteration via {@code Iterator} returned by any method of this
* {@code ChronicleHash} or it's collection view.
*
* @param action the action to be performed for each entry
*/
void forEachEntry(Consumer<? super C> action);
/**
* Releases the off-heap memory, used by this hash container and resources, used by replication,
* if any. However, if hash container (hence off-heap memory, used by it) is mapped to the file