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authorLarry Knox <lrknox@hdfgroup.org>2019-07-25 16:36:37 (GMT)
committerLarry Knox <lrknox@hdfgroup.org>2019-07-25 16:47:12 (GMT)
commit8008294578b5a133907d7ab1dd20e34735c54535 (patch)
treed1b9228d468afc05da9333567ea43a04bb0c4272 /java/src/hdf/hdf5lib/structs
parentd3fdcd8a680ad0f8b21304b35e8564b774a88ef0 (diff)
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Squashed commit of the following:
Merge changes from update_merged_S3_HDFS branch into develop. commit d5034315aea88629929ac0c9c59ebfafd5f21a31 Merge: 9c48823 d3fdcd8 Author: Larry Knox <lrknox@hdfgroup.org> Date: Thu Jul 25 08:24:53 2019 -0500 Merge branch 'develop' into update_merged_S3_HDFS
Diffstat (limited to 'java/src/hdf/hdf5lib/structs')
-rw-r--r--java/src/hdf/hdf5lib/structs/H5FD_hdfs_fapl_t.java102
-rw-r--r--java/src/hdf/hdf5lib/structs/H5FD_ros3_fapl_t.java121
2 files changed, 223 insertions, 0 deletions
diff --git a/java/src/hdf/hdf5lib/structs/H5FD_hdfs_fapl_t.java b/java/src/hdf/hdf5lib/structs/H5FD_hdfs_fapl_t.java
new file mode 100644
index 0000000..f56a038
--- /dev/null
+++ b/java/src/hdf/hdf5lib/structs/H5FD_hdfs_fapl_t.java
@@ -0,0 +1,102 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Read-Only HDFS Virtual File Driver (VFD) *
+ * Copyright (c) 2018, The HDF Group. *
+ * *
+ * All rights reserved. *
+ * *
+ * NOTICE: *
+ * All information contained herein is, and remains, the property of The HDF *
+ * Group. The intellectual and technical concepts contained herein are *
+ * proprietary to The HDF Group. Dissemination of this information or *
+ * reproduction of this material is strictly forbidden unless prior written *
+ * permission is obtained from The HDF Group. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+package hdf.hdf5lib.structs;
+
+import java.io.Serializable;
+
+/*
+ * Java representation of the HDFS VFD file access property list (fapl)
+ * structure.
+ *
+ * Used for the access of files hosted on the Hadoop Distributed File System.
+ */
+
+@SuppressWarnings("serial") // mute default serialUID warnings until someone knowledgeable comes along or something breaks horribly
+public class H5FD_hdfs_fapl_t implements Serializable {
+
+ private long version;
+ private String namenode_name;
+ private String user_name;
+ private String kerberos_ticket_cache;
+ private int namenode_port;
+ private int stream_buffer_size;
+
+ /**
+ * Create a fapl_t structure with the specified components.
+ */
+ public H5FD_hdfs_fapl_t(
+ String namenode_name,
+ int namenode_port,
+ String user_name,
+ String kerberos_ticket_cache,
+ int stream_buffer_size)
+ {
+ this.version = 1;
+ this.namenode_name = namenode_name;
+ this.namenode_port = namenode_port;
+ this.user_name = user_name;
+ this.kerberos_ticket_cache = kerberos_ticket_cache;
+ this.stream_buffer_size = stream_buffer_size;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (o == null)
+ return false;
+ if (!(o instanceof H5FD_hdfs_fapl_t))
+ return false;
+
+ H5FD_hdfs_fapl_t other = (H5FD_hdfs_fapl_t)o;
+ if (this.version != other.version)
+ return false;
+ if (!this.namenode_name.equals(other.namenode_name))
+ return false;
+ if (this.namenode_port != other.namenode_port)
+ return false;
+ if (!this.user_name.equals(other.user_name))
+ return false;
+ if (!this.kerberos_ticket_cache.equals(other.kerberos_ticket_cache))
+ return false;
+ if (this.stream_buffer_size != other.stream_buffer_size)
+ return false;
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ /* this is a _very bad_ hash algorithm for purposes of hashing! */
+ /* implemented to satisfy the "contract" regarding equality */
+ int k = (int)this.version;
+ k += this.namenode_name.length();
+ k += this.user_name.length();
+ k += this.kerberos_ticket_cache.length();
+ k += namenode_port;
+ k += stream_buffer_size;
+ return k;
+ }
+
+ @Override
+ public String toString() {
+ return "H5FD_hdfs_fapl_t (Version: " + this.version + ") {" +
+ "\n namenode_name: '" + this.namenode_name +
+ "'\n namenode_port: " + this.namenode_port +
+ "\n user_name: '" + this.user_name +
+ "'\n kerberos_ticket_cache: '" + this.kerberos_ticket_cache +
+ "'\n stream_buffer_size: " + this.stream_buffer_size +
+ "\n}\n";
+ }
+}
+
+
diff --git a/java/src/hdf/hdf5lib/structs/H5FD_ros3_fapl_t.java b/java/src/hdf/hdf5lib/structs/H5FD_ros3_fapl_t.java
new file mode 100644
index 0000000..6b086c3
--- /dev/null
+++ b/java/src/hdf/hdf5lib/structs/H5FD_ros3_fapl_t.java
@@ -0,0 +1,121 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Read-Only S3 Virtual File Driver (VFD) *
+ * Copyright (c) 2017-2018, The HDF Group. *
+ * *
+ * All rights reserved. *
+ * *
+ * NOTICE: *
+ * All information contained herein is, and remains, the property of The HDF *
+ * Group. The intellectual and technical concepts contained herein are *
+ * proprietary to The HDF Group. Dissemination of this information or *
+ * reproduction of this material is strictly forbidden unless prior written *
+ * permission is obtained from The HDF Group. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+package hdf.hdf5lib.structs;
+
+import java.io.Serializable;
+
+/*
+ * Java representation of the ROS3 VFD file access property list (fapl)
+ * structure.
+ *
+ * Used for the access of files hosted remotely on S3 by Amazon.
+ *
+ * For simplicity, implemented assuming that all ROS3 fapls have components:
+ * - version
+ * - aws_region
+ * - secret_id
+ * - secret_key
+ *
+ * Future implementations may be created to enable different fapl "shapes"
+ * depending on provided version.
+ *
+ * proposed:
+ *
+ * H5FD_ros3_fapl_t (super class, has only version field)
+ * H5FD_ros3_fapl_v1_t (extends super with Version 1 components)
+ * H5FD_ros3_fapl_v2_t (extends super with Version 2 components)
+ * and so on, for each version
+ *
+ * "super" is passed around, and is version-checked and re-cast as
+ * appropriate
+ */
+
+@SuppressWarnings("serial") // mute default serialUID warnings until someone knowledgeable comes along or something breaks horribly
+public class H5FD_ros3_fapl_t implements Serializable {
+
+ private long version;
+ private String aws_region;
+ private String secret_id;
+ private String secret_key;
+
+ /**
+ * Create a "default" fapl_t structure, for anonymous access.
+ */
+ public H5FD_ros3_fapl_t () {
+ /* H5FD_ros3_fapl_t("", "", ""); */ /* defer */
+ this.version = 1;
+ this.aws_region = "";
+ this.secret_id = "";
+ this.secret_key = "";
+ }
+
+ /**
+ * Create a fapl_t structure with the specified components.
+ * If all are the empty string, is anonymous (non-authenticating).
+ * Region and ID must both be supplied for authentication.
+ *
+ * @param region "aws region" for authenticating request
+ * @param id "secret id" or "access id" for authenticating request
+ * @param key "secret key" or "access key" for authenticating request
+ */
+ public H5FD_ros3_fapl_t (String region, String id, String key) {
+ this.version = 1; /* must equal H5FD__CURR_ROS3_FAPL_T_VERSION */
+ /* as found in H5FDros3.h */
+ this.aws_region = region;
+ this.secret_id = id;
+ this.secret_key = key;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (o == null)
+ return false;
+ if (!(o instanceof H5FD_ros3_fapl_t))
+ return false;
+
+ H5FD_ros3_fapl_t other = (H5FD_ros3_fapl_t)o;
+ if (this.version != other.version)
+ return false;
+ if (!this.aws_region.equals(other.aws_region))
+ return false;
+ if (!this.secret_key.equals(other.secret_key))
+ return false;
+ if (!this.secret_id.equals(other.secret_id))
+ return false;
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ /* this is a _very bad_ hash algorithm for purposes of hashing! */
+ /* implemented to satisfy the "contract" regarding equality */
+ int k = (int)this.version;
+ k += this.aws_region.length();
+ k += this.secret_id.length();
+ k += this.secret_key.length();
+ return k;
+ }
+
+ @Override
+ public String toString() {
+ return "H5FD_ros3_fapl_t (Version:" + this.version + ") {" +
+ "\n aws_region : " + this.aws_region +
+ "\n secret_id : " + this.secret_id +
+ "\n secret_key : " + this.secret_key +
+ "\n}\n";
+ }
+}
+
+