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authorBenjamin J. Culkin <bjculkin@mix.wvu.edu>2017-10-08 22:39:59 -0300
committerBenjamin J. Culkin <bjculkin@mix.wvu.edu>2017-10-08 22:39:59 -0300
commitc82e3b3b2de0633317ec8fc85925e91422820597 (patch)
tree96567416ce23c5ce85601f9cedc3a94bb1c55cba /BJC-Utils2/src/main/java/bjc/utils/funcutils/LambdaLock.java
parentb3ac1c8690c3e14c879913e5dcc03a5f5e14876e (diff)
Start splitting into maven modules
Diffstat (limited to 'BJC-Utils2/src/main/java/bjc/utils/funcutils/LambdaLock.java')
-rw-r--r--BJC-Utils2/src/main/java/bjc/utils/funcutils/LambdaLock.java105
1 files changed, 0 insertions, 105 deletions
diff --git a/BJC-Utils2/src/main/java/bjc/utils/funcutils/LambdaLock.java b/BJC-Utils2/src/main/java/bjc/utils/funcutils/LambdaLock.java
deleted file mode 100644
index 62c5d32..0000000
--- a/BJC-Utils2/src/main/java/bjc/utils/funcutils/LambdaLock.java
+++ /dev/null
@@ -1,105 +0,0 @@
-package bjc.utils.funcutils;
-
-import java.util.concurrent.locks.Lock;
-import java.util.concurrent.locks.ReadWriteLock;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
-import java.util.function.Supplier;
-
-/**
- * A wrapper around a {@link ReadWriteLock} to ensure that the lock is used
- * properly.
- *
- * @author EVE
- *
- */
-public class LambdaLock {
- private final Lock readLock;
- private final Lock writeLock;
-
- /**
- * Create a new lambda-enabled lock around a new lock.
- */
- public LambdaLock() {
- this(new ReentrantReadWriteLock());
- }
-
- /**
- * Create a new lambda-enabled lock.
- *
- * @param lck
- * The lock to wrap.
- */
- public LambdaLock(final ReadWriteLock lck) {
- readLock = lck.readLock();
- writeLock = lck.writeLock();
- }
-
- /**
- * Execute an action with the read lock taken.
- *
- * @param supp
- * The action to call.
- *
- * @return The result of the action.
- */
- public <T> T read(final Supplier<T> supp) {
- readLock.lock();
-
- try {
- return supp.get();
- } finally {
- readLock.unlock();
- }
- }
-
- /**
- * Execute an action with the write lock taken.
- *
- * @param supp
- * The action to call.
- *
- * @return The result of the action.
- */
- public <T> T write(final Supplier<T> supp) {
- writeLock.lock();
-
- try {
- return supp.get();
- } finally {
- writeLock.unlock();
- }
- }
-
- /**
- * Execute an action with the read lock taken.
- *
- * @param action
- * The action to call.
- *
- */
- public void read(final Runnable action) {
- readLock.lock();
-
- try {
- action.run();
- } finally {
- readLock.unlock();
- }
- }
-
- /**
- * Execute an action with the write lock taken.
- *
- * @param action
- * The action to call.
- */
- public void write(final Runnable action) {
- writeLock.lock();
-
- try {
- action.run();
- } finally {
- writeLock.unlock();
- }
- }
-} \ No newline at end of file