Example usage for org.apache.lucene.util.automaton ByteRunAutomaton run

Introduction

In this page you can find the example usage for org.apache.lucene.util.automaton ByteRunAutomaton run.

Prototype

public boolean run(byte[] s, int offset, int length) 

Source Link

Document

Returns true if the given byte array is accepted by this automaton

Usage

From source file:io.crate.expression.operator.RegexpMatchOperator.java

License:Apache License

@Override
public Boolean evaluate(Input<BytesRef>... args) {
    assert args.length == 2 : "invalid number of arguments";
    BytesRef source = args[0].value();//from w  w  w.  ja v  a 2  s .  c o m
    if (source == null) {
        return null;
    }
    BytesRef pattern = args[1].value();
    if (pattern == null) {
        return null;
    }
    String sPattern = pattern.utf8ToString();
    if (isPcrePattern(sPattern)) {
        return source.utf8ToString().matches(sPattern);
    } else {
        RegExp regexp = new RegExp(sPattern);
        ByteRunAutomaton regexpRunAutomaton = new ByteRunAutomaton(regexp.toAutomaton());
        return regexpRunAutomaton.run(source.bytes, source.offset, source.length);
    }
}

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From source file:io.crate.operation.operator.RegexpMatchOperator.java

License:Apache License

@Override
public Boolean evaluate(Input<BytesRef>... args) {
    assert args.length == 2 : "invalid number of arguments";
    BytesRef source = args[0].value();/*from w  w w.ja v  a2  s  .co m*/
    if (source == null) {
        return null;
    }
    BytesRef pattern = args[1].value();
    if (pattern == null) {
        return null;
    }
    if (isPcrePattern(pattern)) {
        return source.utf8ToString().matches(pattern.utf8ToString());
    } else {
        RegExp regexp = new RegExp(pattern.utf8ToString());
        ByteRunAutomaton regexpRunAutomaton = new ByteRunAutomaton(regexp.toAutomaton());
        return regexpRunAutomaton.run(source.bytes, source.offset, source.length);
    }
}

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