/*
* (non-Javadoc)
* @see org.springframework.data.repository.query.RepositoryQuery#execute(java.lang.Object[])
*/
@Override
public Object execute(Object[] parameters) {
ParametersParameterAccessor accessor =
new ParametersParameterAccessor(method.getParameters(), parameters);
QueryString query =
(isUserDefinedQuery()
? this.query
: this.query.forRegion(
method.getEntityInformation().getJavaType(), template.getRegion()));
for (Integer index : query.getInParameterIndexes()) {
query = query.bindIn(toCollection(accessor.getBindableValue(index - 1)));
}
Collection<?> result = toCollection(template.find(query.toString(), parameters));
if (method.isCollectionQuery()) {
return result;
} else if (method.isQueryForEntity()) {
if (result.isEmpty()) {
return null;
} else if (result.size() == 1) {
return result.iterator().next();
} else {
throw new IncorrectResultSizeDataAccessException(1, result.size());
}
} else {
throw new IllegalStateException("Unsupported query: " + query.toString());
}
}
/**
* Creates a new {@link StringBasedGemfireRepositoryQuery} using the given query {@link String},
* {@link GemfireQueryMethod} and {@link GemfireTemplate}.
*
* @param query will fall back to the query annotated to the given {@link GemfireQueryMethod} if
* {@literal null}.
* @param method must not be {@literal null}.
* @param template must not be {@literal null}.
*/
public StringBasedGemfireRepositoryQuery(
String query, GemfireQueryMethod method, GemfireTemplate template) {
super(method);
Assert.notNull(template);
this.userDefinedQuery |= !StringUtils.hasText(query);
this.query = new QueryString(StringUtils.hasText(query) ? query : method.getAnnotatedQuery());
this.method = method;
this.template = template;
if (method.isPageQuery() || method.isModifyingQuery()) {
throw new IllegalStateException(INVALID_QUERY);
}
}
/**
* Creates a new {@link StringBasedGemfireRepositoryQuery} using the given {@link
* GemfireQueryMethod} and {@link GemfireTemplate}. The actual query {@link String} will be looked
* up from the query method.
*
* @param method must not be {@literal null}.
* @param template must not be {@literal null}.
*/
public StringBasedGemfireRepositoryQuery(GemfireQueryMethod method, GemfireTemplate template) {
this(method.getAnnotatedQuery(), method, template);
}
