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DATAKV-117 - Pass on type information to KV Adapter.

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Original pull request: #18.
This commit is contained in:
Christoph Strobl
2015-10-21 10:12:38 +02:00
committed by Mark Paluch
parent 551b27deb2
commit fae6d418b6
5 changed files with 94 additions and 11 deletions
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27
src/main/java/org/springframework/data/keyvalue/core/AbstractKeyValueAdapter.java
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@@ -57,6 +57,33 @@ public abstract class AbstractKeyValueAdapter implements KeyValueAdapter {
return engine;
}
/*
* (non-Javadoc)
* @see org.springframework.data.keyvalue.core.KeyValueAdapter#get(java.io.Serializable, java.io.Serializable, java.lang.Class)
*/
@Override
public <T> T get(Serializable id, Serializable keyspace, Class<T> type) {
return (T) get(id, keyspace);
}
/*
* (non-Javadoc)
* @see org.springframework.data.keyvalue.core.KeyValueAdapter#get(java.io.Serializable, java.io.Serializable, java.lang.Class)
*/
@Override
public <T> T delete(Serializable id, Serializable keyspace, Class<T> type) {
return (T) delete(id, keyspace);
}
/*
* (non-Javadoc)
* @see org.springframework.data.keyvalue.core.KeyValueAdapter#get(java.io.Serializable, java.io.Serializable, java.lang.Class)
*/
@Override
public <T> Iterable<T> find(KeyValueQuery<?> query, Serializable keyspace, Class<T> type) {
return (Iterable<T>) engine.execute(query, keyspace, type);
}
/*
* (non-Javadoc)
* @see org.springframework.data.keyvalue.core.KeyValueAdapter#find(org.springframework.data.keyvalue.core.query.KeyValueQuery, java.io.Serializable)

27
src/main/java/org/springframework/data/keyvalue/core/KeyValueAdapter.java
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@@ -58,6 +58,15 @@ public interface KeyValueAdapter extends DisposableBean {
*/
Object get(Serializable id, Serializable keyspace);
/**
* @param id
* @param keyspace
* @param type
* @return
* @since 1.1
*/
<T> T get(Serializable id, Serializable keyspace, Class<T> type);
/**
* Delete and return the obect with given type and id.
*
@@ -67,6 +76,15 @@ public interface KeyValueAdapter extends DisposableBean {
*/
Object delete(Serializable id, Serializable keyspace);
/**
* @param id
* @param keyspace
* @param type
* @return
* @since 1.1
*/
<T> T delete(Serializable id, Serializable keyspace, Class<T> type);
/**
* Get all elements for given keyspace.
*
@@ -104,6 +122,15 @@ public interface KeyValueAdapter extends DisposableBean {
*/
Iterable<?> find(KeyValueQuery<?> query, Serializable keyspace);
/**
* @param query
* @param keyspace
* @param type
* @return
* @since 1.1
*/
<T> Iterable<T> find(KeyValueQuery<?> query, Serializable keyspace, Class<T> type);
/**
* Count number of objects within {@literal keyspace}.
*

7
src/main/java/org/springframework/data/keyvalue/core/KeyValueTemplate.java
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@@ -271,7 +271,7 @@ public class KeyValueTemplate implements KeyValueOperations, ApplicationEventPub
@Override
public T doInKeyValue(KeyValueAdapter adapter) {
Object result = adapter.get(id, keyspace);
Object result = adapter.get(id, keyspace, type);
if (result == null || typeCheck(type, result)) {
return (T) result;
@@ -342,10 +342,9 @@ public class KeyValueTemplate implements KeyValueOperations, ApplicationEventPub
T result = execute(new KeyValueCallback<T>() {
@SuppressWarnings("unchecked")
@Override
public T doInKeyValue(KeyValueAdapter adapter) {
return (T) adapter.delete(id, keyspace);
return (T) adapter.delete(id, keyspace, type);
}
});
@@ -394,7 +393,7 @@ public class KeyValueTemplate implements KeyValueOperations, ApplicationEventPub
@Override
public Iterable<T> doInKeyValue(KeyValueAdapter adapter) {
Iterable<?> result = adapter.find(query, resolveKeySpace(type));
Iterable<?> result = adapter.find(query, resolveKeySpace(type), type);
if (result == null) {
return Collections.emptySet();
}

30
src/main/java/org/springframework/data/keyvalue/core/QueryEngine.java
View File

@@ -56,6 +56,21 @@ public abstract class QueryEngine<ADAPTER extends KeyValueAdapter, CRITERIA, SOR
return execute(criteria, sort, query.getOffset(), query.getRows(), keyspace);
}
/**
* Extract query attributes and delegate to concrete execution.
*
* @param query
* @param keyspace
* @return
*/
public <T> Collection<T> execute(KeyValueQuery<?> query, Serializable keyspace, Class<T> type) {
CRITERIA criteria = this.criteriaAccessor != null ? this.criteriaAccessor.resolve(query) : null;
SORT sort = this.sortAccessor != null ? this.sortAccessor.resolve(query) : null;
return execute(criteria, sort, query.getOffset(), query.getRows(), keyspace, type);
}
/**
* Extract query attributes and delegate to concrete execution.
*
@@ -79,6 +94,21 @@ public abstract class QueryEngine<ADAPTER extends KeyValueAdapter, CRITERIA, SOR
*/
public abstract Collection<?> execute(CRITERIA criteria, SORT sort, int offset, int rows, Serializable keyspace);
/**
* @param criteria
* @param sort
* @param offset
* @param rows
* @param keyspace
* @param type
* @return
* @since 1.1
*/
public <T> Collection<T> execute(CRITERIA criteria, SORT sort, int offset, int rows, Serializable keyspace,
Class<T> type) {
return (Collection<T>) execute(criteria, sort, offset, rows, keyspace);
}
/**
* @param criteria
* @param keyspace