diff options
Diffstat (limited to 'base/src/main/java/bjc/utils/esodata/TapeChanger.java')
| -rw-r--r-- | base/src/main/java/bjc/utils/esodata/TapeChanger.java | 79 |
1 files changed, 37 insertions, 42 deletions
diff --git a/base/src/main/java/bjc/utils/esodata/TapeChanger.java b/base/src/main/java/bjc/utils/esodata/TapeChanger.java index 08f56c1..2623ad3 100644 --- a/base/src/main/java/bjc/utils/esodata/TapeChanger.java +++ b/base/src/main/java/bjc/utils/esodata/TapeChanger.java @@ -10,13 +10,13 @@ package bjc.utils.esodata; * either return null/false. * * @param <T> - * The element type of the tapes. + * The element type of the tapes. */ public class TapeChanger<T> implements Tape<T> { /* Our list of tapes. */ private Tape<Tape<T>> tapes; /* The current tape. */ - private Tape<T> currentTape; + private Tape<T> currentTape; /** Create a new empty tape changer. */ public TapeChanger() { @@ -27,10 +27,10 @@ public class TapeChanger<T> implements Tape<T> { * Create a new tape changer with the specified tapes. * * @param current - * The tape to mount first. + * The tape to mount first. * * @param others - * The tapes to put in this tape changer. + * The tapes to put in this tape changer. */ @SafeVarargs public TapeChanger(final Tape<T> current, final Tape<T>... others) { @@ -38,7 +38,7 @@ public class TapeChanger<T> implements Tape<T> { tapes.insertBefore(current); - for (final Tape<T> tp : others) { + for(final Tape<T> tp : others) { tapes.insertAfter(tp); tapes.right(); } @@ -49,63 +49,63 @@ public class TapeChanger<T> implements Tape<T> { @Override public T item() { - if (currentTape == null) return null; + if(currentTape == null) return null; return currentTape.item(); } @Override public void item(final T itm) { - if (currentTape == null) return; + if(currentTape == null) return; currentTape.item(itm); } @Override public int size() { - if (currentTape == null) return 0; + if(currentTape == null) return 0; return currentTape.size(); } @Override public int position() { - if (currentTape == null) return 0; + if(currentTape == null) return 0; return currentTape.position(); } @Override public void insertBefore(final T itm) { - if (currentTape == null) return; + if(currentTape == null) return; currentTape.insertBefore(itm); } @Override public void insertAfter(final T itm) { - if (currentTape == null) return; + if(currentTape == null) return; currentTape.insertAfter(itm); } @Override public T remove() { - if (currentTape == null) return null; + if(currentTape == null) return null; return currentTape.remove(); } @Override public void first() { - if (currentTape == null) return; + if(currentTape == null) return; currentTape.first(); } @Override public void last() { - if (currentTape == null) return; + if(currentTape == null) return; currentTape.last(); } @@ -117,7 +117,7 @@ public class TapeChanger<T> implements Tape<T> { @Override public boolean left(final int amt) { - if (currentTape == null) return false; + if(currentTape == null) return false; return currentTape.left(amt); } @@ -129,7 +129,7 @@ public class TapeChanger<T> implements Tape<T> { @Override public boolean right(final int amt) { - if (currentTape == null) return false; + if(currentTape == null) return false; return currentTape.right(amt); } @@ -143,16 +143,16 @@ public class TapeChanger<T> implements Tape<T> { * If the current tape is not double-sided, does nothing. */ public void flip() { - if (currentTape == null) return; + if(currentTape == null) return; - if (currentTape.isDoubleSided()) { + if(currentTape.isDoubleSided()) { ((DoubleTape<T>) currentTape).flip(); } } @Override public boolean isDoubleSided() { - if (currentTape == null) return false; + if(currentTape == null) return false; return currentTape.isDoubleSided(); } @@ -160,8 +160,7 @@ public class TapeChanger<T> implements Tape<T> { /** * Check if a tape is currently loaded. * - * @return - * Whether or not a tape is loaded. + * @return Whether or not a tape is loaded. */ public boolean isLoaded() { return currentTape != null; @@ -173,13 +172,12 @@ public class TapeChanger<T> implements Tape<T> { * Attempting to load a tape that isn't there won't eject the current * tape. * - * @return - * Whether or not the next tape was loaded. + * @return Whether or not the next tape was loaded. */ public boolean nextTape() { final boolean succ = tapes.right(); - if (succ) { + if(succ) { currentTape = tapes.item(); } @@ -192,13 +190,12 @@ public class TapeChanger<T> implements Tape<T> { * Attempting to load a tape that isn't there won't eject the current * tape. * - * @return - * Whether or not the previous tape was loaded. + * @return Whether or not the previous tape was loaded. */ public boolean prevTape() { final boolean succ = tapes.left(); - if (succ) { + if(succ) { currentTape = tapes.item(); } @@ -213,7 +210,7 @@ public class TapeChanger<T> implements Tape<T> { * The specified tape is loaded. * * @param tp - * The tape to insert and load. + * The tape to insert and load. */ public void insertTape(final Tape<T> tp) { tapes.insertAfter(tp); @@ -229,11 +226,10 @@ public class TapeChanger<T> implements Tape<T> { * * Loads the previous tape, if there is one. * - * @return - * The removed tape. + * @return The removed tape. */ public Tape<T> removeTape() { - if (currentTape == null) return null; + if(currentTape == null) return null; final Tape<T> tp = tapes.remove(); currentTape = tapes.item(); @@ -253,8 +249,7 @@ public class TapeChanger<T> implements Tape<T> { /** * Get how many tapes are currently in the changer. * - * @return - * How many tapes are currently in the changer. + * @return How many tapes are currently in the changer. */ public int tapeCount() { return tapes.size(); @@ -271,19 +266,19 @@ public class TapeChanger<T> implements Tape<T> { @Override public boolean equals(final Object obj) { - if (this == obj) return true; - if (obj == null) return false; - if (!(obj instanceof TapeChanger<?>)) return false; + if(this == obj) return true; + if(obj == null) return false; + if(!(obj instanceof TapeChanger<?>)) return false; final TapeChanger<?> other = (TapeChanger<?>) obj; - if (currentTape == null) { - if (other.currentTape != null) return false; - } else if (!currentTape.equals(other.currentTape)) return false; + if(currentTape == null) { + if(other.currentTape != null) return false; + } else if(!currentTape.equals(other.currentTape)) return false; - if (tapes == null) { - if (other.tapes != null) return false; - } else if (!tapes.equals(other.tapes)) return false; + if(tapes == null) { + if(other.tapes != null) return false; + } else if(!tapes.equals(other.tapes)) return false; return true; } |