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Express paramaters as final

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This commit is contained in:
Douglas Lovell 2017-10-13 21:17:04 -03:00
parent 82d36386fd
commit 360d76193a
9 changed files with 40 additions and 35 deletions
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2
src/main/java/org/ahocorasick/trie/FragmentToken.java
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@ -2,7 +2,7 @@ package org.ahocorasick.trie;
public class FragmentToken extends Token {
public FragmentToken(String fragment) {
public FragmentToken(final String fragment) {
super(fragment);
}

6
src/main/java/org/ahocorasick/trie/Keyword.java
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@ -23,14 +23,14 @@ package org.ahocorasick.trie;
*/
public class Keyword implements Comparable {
private final String text;
private int depth;
private final int depth;
/**
* Create portion of potential match
* @param text content that matches
* @param depth count of prior source tokens that comprise the match
*/
public Keyword(String text, int depth) {
public Keyword(final String text, final int depth) {
this.text = text;
this.depth = depth;
}
@ -51,7 +51,7 @@ public class Keyword implements Comparable {
}
@Override
public int compareTo(Object o) {
public int compareTo(final Object o) {
if (o instanceof Keyword) {
return text.compareTo(((Keyword) o).text);
}

2
src/main/java/org/ahocorasick/trie/MatchToken.java
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@ -4,7 +4,7 @@ public class MatchToken extends Token {
private final Emit emit;
public MatchToken(String fragment, Emit emit) {
public MatchToken(final String fragment, final Emit emit) {
super(fragment);
this.emit = emit;
}

18
src/main/java/org/ahocorasick/trie/State.java
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@ -54,7 +54,7 @@ public class State {
this.rootState = depth == 0 ? this : null;
}
private State nextState(Transition transition, boolean ignoreRootState) {
private State nextState(final Transition transition, boolean ignoreRootState) {
State nextState = this.success.get(transition);
if (!ignoreRootState && nextState == null && this.rootState != null) {
nextState = this.rootState;
@ -62,15 +62,15 @@ public class State {
return nextState;
}
public State nextState(Transition transition) {
public State nextState(final Transition transition) {
return nextState(transition, false);
}
public State nextStateIgnoreRootState(Transition transition) {
public State nextStateIgnoreRootState(final Transition transition) {
return nextState(transition, true);
}
public State addState(Transition transition) {
public State addState(final Transition transition) {
State nextState = nextStateIgnoreRootState(transition);
if (nextState == null) {
nextState = new State(this.depth+1);
@ -83,20 +83,20 @@ public class State {
return this.depth;
}
public void addEmit(Keyword keyword) {
public void addEmit(final Keyword keyword) {
if (this.emits == null) {
this.emits = new TreeSet<>();
}
this.emits.add(keyword);
}
public void addEmit(Collection<Keyword> emits) {
public void addEmit(final Collection<Keyword> emits) {
for (Keyword emit : emits) {
addEmit(emit);
}
}
public void addEmitString(String key) {
public void addEmitString(final String key) {
addEmit(new Keyword(key, getDepth()));
}
@ -104,7 +104,7 @@ public class State {
return this.emits == null ? Collections.<Keyword> emptyList() : this.emits;
}
public State failure(EmitCandidateFlushHandler emitCandidateFlushHandler) {
public State failure(final EmitCandidateFlushHandler emitCandidateFlushHandler) {
if (emitCandidateFlushHandler != null && this.failure.isRootState()) {
emitCandidateFlushHandler.flush();
}
@ -115,7 +115,7 @@ public class State {
return failure(null);
}
public void setFailure(State failState) {
public void setFailure(final State failState) {
this.failure = failState;
}

2
src/main/java/org/ahocorasick/trie/Token.java
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@ -4,7 +4,7 @@ public abstract class Token {
private final String fragment;
public Token(String fragment) {
public Token(final String fragment) {
this.fragment = fragment;
}

6
src/main/java/org/ahocorasick/trie/Tokenizer.java
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@ -10,7 +10,7 @@ public class Tokenizer {
private final String text;
public Tokenizer(Collection<Emit> emits, String text) {
public Tokenizer(final Collection<Emit> emits, final String text) {
this.emits = emits;
this.text = text;
}
@ -34,7 +34,9 @@ public class Tokenizer {
}
private Token createFragment(Emit emit, String text, int lastCollectedPosition) {
return new FragmentToken(text.substring(lastCollectedPosition+1, emit == null ? text.length() : emit.getStart()));
return new FragmentToken(text.substring(
lastCollectedPosition+1,
emit == null ? text.length() : emit.getStart()));
}
private Token createMatch(Emit emit, String text) {

4
src/main/java/org/ahocorasick/trie/Transition.java
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@ -28,7 +28,7 @@ public class Transition<T> {
protected final int start;
protected final int length;
public Transition(T token, int start, int length) {
public Transition(final T token, int start, int length) {
this.token = token;
this.start = start;
this.length = length;
@ -56,7 +56,7 @@ public class Transition<T> {
}
@Override
public boolean equals(Object obj) {
public boolean equals(final Object obj) {
if (obj == null) {
return false;
}

31
src/main/java/org/ahocorasick/trie/Trie.java
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@ -24,16 +24,16 @@ public class Trie {
private final State rootState;
private Trie(TrieConfig trieConfig) {
private Trie(final TrieConfig trieConfig) {
this.trieConfig = trieConfig;
this.rootState = new State();
}
private abstract class KeywordTokenizer {
protected int position = 0;
protected CharSequence input;
protected final CharSequence input;
protected int length;
protected KeywordTokenizer(CharSequence input) {
protected KeywordTokenizer(final CharSequence input) {
this.input = input;
this.length = input.length();
}
@ -44,7 +44,7 @@ public class Trie {
}
private class WordTokenizer extends KeywordTokenizer {
public WordTokenizer(CharSequence input) {
public WordTokenizer(final CharSequence input) {
super(input);
}
@Override
@ -66,7 +66,7 @@ public class Trie {
}
private class CharacterTokenizer extends KeywordTokenizer {
public CharacterTokenizer(CharSequence input) {
public CharacterTokenizer(final CharSequence input) {
super(input);
}
@Override
@ -84,7 +84,7 @@ public class Trie {
private final KeywordTokenizer tokenizer;
private final StringBuilder input;
public TokenStream(CharSequence text) {
public TokenStream(final CharSequence text) {
input = new StringBuilder(text.length());
for (int p = 0; p < text.length(); ++p) {
char ch = text.charAt(p);
@ -109,7 +109,7 @@ public class Trie {
}
private void addKeyword(CharSequence keyword) {
private void addKeyword(final CharSequence keyword) {
if (keyword == null || keyword.length() == 0) {
return;
}
@ -128,24 +128,24 @@ public class Trie {
}
@SuppressWarnings("unchecked")
public Collection<Emit> parseText(CharSequence text) {
public Collection<Emit> parseText(final CharSequence text) {
DefaultEmitHandler emitHandler = new DefaultEmitHandler();
parseText(text, emitHandler);
return emitHandler.getEmits();
}
public boolean containsMatch(CharSequence text) {
public boolean containsMatch(final CharSequence text) {
Emit firstMatch = firstMatch(text);
return firstMatch != null;
}
public Emit firstMatch(CharSequence text) {
public Emit firstMatch(final CharSequence text) {
FirstMatchHandler emitHandler = new FirstMatchHandler();
parseText(text, emitHandler);
return emitHandler.getFirstMatch();
}
public void parseText(CharSequence text, EmitHandler emitHandler) {
public void parseText(final CharSequence text, final EmitHandler emitHandler) {
final EmitCandidateHolder emitCandidateHolder = this.trieConfig.isAllowOverlaps() ?
new OverlappingEmitCandidateHolder() :
@ -181,11 +181,14 @@ public class Trie {
flushHandler.flush();
}
private State getState(State currentState, Transition transition, EmitCandidateFlushHandler flushHandler) {
private State getState(final State currentState,
final Transition transition,
final EmitCandidateFlushHandler flushHandler) {
State failState = currentState;
State newCurrentState = currentState.nextState(transition);
while (newCurrentState == null) {
currentState = currentState.failure(flushHandler);
newCurrentState = currentState.nextState(transition);
failState = failState.failure(flushHandler);
newCurrentState = failState.nextState(transition);
}
return newCurrentState;
}

4
src/main/java/org/ahocorasick/trie/WordTransition.java
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@ -26,7 +26,7 @@ public class WordTransition extends Transition<String> {
* @param word to match
* @param start position of first character within the source string
*/
public WordTransition(String word, int start) {
public WordTransition(final String word, int start) {
super(word, start, word.length());
}
@ -34,7 +34,7 @@ public class WordTransition extends Transition<String> {
* Create a transition without regard for position
* @param word to match
*/
public WordTransition(String word) {
public WordTransition(final String word) {
this(word, 0);
}
}