Merge pull request #44 from saalfeldlab/cmhulbert-perf/skipIsFile

Perf: skip isFile

pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.scijava</groupId>
 		<artifactId>pom-scijava</artifactId>
-		<version>37.0.0</version>
+		<version>38.0.1</version>
 		<relativePath />
 	</parent>
 
@@ -111,7 +111,7 @@
 	<scm>
 		<connection>scm:git:git://github.com/saalfeldlab/n5-zarr</connection>
 		<developerConnection>scm:git:[email protected]:saalfeldlab/n5-zarr</developerConnection>
-		<tag>HEAD</tag>
+		<tag>n5-zarr-1.3.4</tag>
 		<url>https://github.com/saalfeldlab/n5-zarr</url>
 	</scm>
 	<issueManagement>
@@ -138,7 +138,7 @@
 
 		<json-simple.version>1.1.1</json-simple.version>
 
-		<n5.version>3.2.0</n5.version>
+		<n5.version>3.3.0</n5.version>
 		<n5-zstandard.version>1.0.2</n5-zstandard.version>
 
 	</properties>

release.properties

@@ -0,0 +1,28 @@
+#release configuration
+#Wed Jun 05 09:56:44 EDT 2024
+scm.commentPrefix=[maven-release-plugin] 
+exec.pomFileName=pom.xml
+pushChanges=false
+releaseStrategyId=default
+project.scm.org.janelia.saalfeldlab\:n5-zarr.developerConnection=scm\:git\:[email protected]\:saalfeldlab/n5-zarr
+project.scm.org.janelia.saalfeldlab\:n5-zarr.tag=HEAD
+project.dev.org.janelia.saalfeldlab\:n5-zarr=1.3.5-SNAPSHOT
+projectVersionPolicyConfig=<projectVersionPolicyConfig>${projectVersionPolicyConfig}</projectVersionPolicyConfig>\n
+scm.tag=n5-zarr-1.3.4
+remoteTagging=true
+exec.additionalArguments=-Dgpg.skip\=true 
+scm.branchCommitComment=@{prefix} prepare branch @{releaseLabel}
+projectVersionPolicyId=default
+project.scm.org.janelia.saalfeldlab\:n5-zarr.url=https\://github.com/saalfeldlab/n5-zarr
+scm.url=scm\:git\:https\://github.com/saalfeldlab/n5-zarr
+scm.tagNameFormat=@{project.artifactId}-@{project.version}
+pinExternals=false
+preparationGoals=clean verify
+project.scm.org.janelia.saalfeldlab\:n5-zarr.connection=scm\:git\:git\://github.com/saalfeldlab/n5-zarr
+scm.releaseCommitComment=@{prefix} prepare release @{releaseLabel}
+exec.snapshotReleasePluginAllowed=false
+exec.activateProfiles=deploy-to-scijava
+project.rel.org.janelia.saalfeldlab\:n5-zarr=1.3.4
+scm.developmentCommitComment=@{prefix} prepare for next development iteration
+scm.rollbackCommitComment=@{prefix} rollback the release of @{releaseLabel}
+completedPhase=end-release

src/main/java/org/janelia/saalfeldlab/n5/zarr/ZarrKeyValueReader.java

@@ -651,11 +651,10 @@ public DataBlock<?> readBlock(
 								zarrDatasetAttributes.getDimensionSeparator(),
 								zarrDatasetAttributes.isRowMajor()));
 
-		if (!keyValueAccess.isFile(absolutePath))
-			return null;
-
 		try (final LockedChannel lockedChannel = keyValueAccess.lockForReading(absolutePath)) {
 			return readBlock(lockedChannel.newInputStream(), zarrDatasetAttributes, gridPosition);
+		} catch (final N5Exception.N5NoSuchKeyException e) {
+			return null;
 		} catch (final Throwable  e) {
 			throw new N5IOException(
 					"Failed to read block " + Arrays.toString(gridPosition) + " from dataset " + pathName,