diff options
Diffstat (limited to 'com/nemez/cmdmgr/util/BranchStack.java')
-rw-r--r-- | com/nemez/cmdmgr/util/BranchStack.java | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/com/nemez/cmdmgr/util/BranchStack.java b/com/nemez/cmdmgr/util/BranchStack.java new file mode 100644 index 0000000..aac8efb --- /dev/null +++ b/com/nemez/cmdmgr/util/BranchStack.java @@ -0,0 +1,33 @@ +package com.nemez.cmdmgr.util; + +import java.util.ArrayList; + +import com.nemez.cmdmgr.component.ChainComponent; + +public class BranchStack { + + private ArrayList<ChainComponent> components; + + public BranchStack() { + components = new ArrayList<ChainComponent>(); + } + + public void push(ChainComponent comp) { + components.add(comp); + } + + public ChainComponent pop() { + if (components.size() > 0) { + ChainComponent toPop = components.remove(components.size() - 1); + return toPop; + } + return null; + } + + public ChainComponent get() { + if (components.size() > 0) { + return components.get(components.size() - 1); + } + return null; + } +} |