From ff86e47ceb47dc0d6bb57a41c40df75d3c878c71 Mon Sep 17 00:00:00 2001
From: Peter Powers <pmpowers@usgs.gov>
Date: Tue, 22 Mar 2016 09:52:36 -0600
Subject: [PATCH] new config identifiers for concurrency and curve value types
---
src/org/opensha2/calc/CurveValue.java | 16 +++++++++++
src/org/opensha2/calc/ThreadCount.java | 38 ++++++++++++++++++++++++++
2 files changed, 54 insertions(+)
create mode 100644 src/org/opensha2/calc/CurveValue.java
create mode 100644 src/org/opensha2/calc/ThreadCount.java
diff --git a/src/org/opensha2/calc/CurveValue.java b/src/org/opensha2/calc/CurveValue.java
new file mode 100644
index 000000000..108874d6c
--- /dev/null
+++ b/src/org/opensha2/calc/CurveValue.java
@@ -0,0 +1,16 @@
+package org.opensha2.calc;
+
+/**
+ * Hazard curve value types.
+ *
+ * @author Peter Powers
+ */
+public enum CurveValue {
+
+ /** Annual-rate. */
+ ANNUAL_RATE,
+
+ /** Poisson probability. */
+ POISSON_PROBABILITY;
+
+}
diff --git a/src/org/opensha2/calc/ThreadCount.java b/src/org/opensha2/calc/ThreadCount.java
new file mode 100644
index 000000000..eaef8470f
--- /dev/null
+++ b/src/org/opensha2/calc/ThreadCount.java
@@ -0,0 +1,38 @@
+package org.opensha2.calc;
+
+import java.util.concurrent.ExecutorService;
+
+/**
+ * The number of threads with which to intialize thread pools. Values reference
+ * the number of non-competing threads that could be supported on a particular
+ * system as determined by calling {@link Runtime#availableProcessors()}.
+ *
+ * @author Peter Powers
+ */
+public enum ThreadCount {
+
+ /**
+ * A single thread. Use of a single thread will generally prevent an
+ * {@link ExecutorService} from being used, and all calculations will be run
+ * on the thread from which a program was called.
+ */
+ ONE,
+
+ /**
+ * Half of {@code ALL}.
+ */
+ HALF,
+
+ /**
+ * Two less than {@code ALL}. So as to not commandeer all available
+ * resources.
+ */
+ N_MINUS_2,
+
+ /**
+ * All possible non-competing threads. The number of threads will equal the
+ * number of available processors.
+ */
+ ALL;
+
+}
--
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