SequentialIdGenerator.java

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package fr.sii.ogham.core.id.generator;
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import java.io.UnsupportedEncodingException;
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import java.net.URLEncoder;
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import java.util.concurrent.atomic.AtomicLong;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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 * Generates a simple sequence:
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 * <ul>
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 * <li>Either 1, 2, 3, ..., n</li>
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 * <li>Or {@code <name>}1, {@code <name>}2, {@code <name>}3, ...,
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 * {@code <name>}n</li>
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 * </ul>
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 *
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 * <p>
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 * Name is URL encoded
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 *
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 * <p>
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 * If the generated id is greater than {@link Long#MAX_VALUE}, then it restarts
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 * from 0.
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 *
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 * @author Aurélien Baudet
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 *
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 */
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public class SequentialIdGenerator implements IdGenerator {
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	private static final Logger LOG = LoggerFactory.getLogger(SequentialIdGenerator.class);
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	private final AtomicLong idx;
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	private final boolean useNamePrefix;
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	/**
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	 * The sequence starts at 0 and doesn't use the name (only a number).
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	 */
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	public SequentialIdGenerator() {
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		this(false);
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	}
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	/**
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	 * The sequence starts at 0 and use the name only if {@code useNamePrefix}
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	 * parameter is true.
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	 *
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	 * @param useNamePrefix
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	 *            use the name in the generated sequence
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	 */
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	public SequentialIdGenerator(boolean useNamePrefix) {
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		this(useNamePrefix, 0);
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	}
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	/**
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	 * The sequence starts at {@code initial} parameter value and use the name
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	 * only if {@code useNamePrefix} parameter is true.
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	 *
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	 * @param useNamePrefix
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	 *            use the name in the generated sequence
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	 * @param initial
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	 *            the sequence start value
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	 */
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	public SequentialIdGenerator(boolean useNamePrefix, int initial) {
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		super();
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		this.idx = new AtomicLong(initial);
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		this.useNamePrefix = useNamePrefix;
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	}
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	@Override
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	public String generate(String name) {
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		long id = idx.getAndIncrement();
70 6 1. generate : changed conditional boundary → NO_COVERAGE
2. generate : negated conditional → NO_COVERAGE
3. generate : changed conditional boundary → KILLED
4. generate : changed conditional boundary → KILLED
5. generate : negated conditional → KILLED
6. generate : negated conditional → KILLED
 
		if (id < 0) {
71 1 1. generate : Replaced long addition with subtraction → NO_COVERAGE
 
			id = id + Long.MIN_VALUE;
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		}
73 3 1. generate : replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::generate → NO_COVERAGE
2. generate : replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::generate → KILLED
3. generate : replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::generate → KILLED
 
		return namePrefix(name) + id;
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	}
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	private String namePrefix(String name) {
77 3 1. namePrefix : negated conditional → NO_COVERAGE
2. namePrefix : negated conditional → KILLED
3. namePrefix : negated conditional → KILLED
 
		if (!useNamePrefix) {
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			return "";
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		}
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		try {
81 2 1. namePrefix : replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::namePrefix → NO_COVERAGE
2. namePrefix : replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::namePrefix → KILLED
 
			return URLEncoder.encode(name, "UTF-8");
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		} catch (UnsupportedEncodingException e) {
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			LOG.warn("Failed to use {} as id prefix => no prefix used", name, e);
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			return "";
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		}
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	}
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}

Mutations

70

1.1
Location : generate
Killed by : oghamall.it.resolver.FreemarkerRelativeResourcesTests.relativeToPrefixSuffixAndPath(oghamall.it.resolver.FreemarkerRelativeResourcesTests) changed conditional boundary → KILLED

2.2
Location : generate
Killed by : oghamcore.it.html.translator.InlineImageTranslatorTest.oghamAttributesShoulBeRemoved(oghamcore.it.html.translator.InlineImageTranslatorTest) changed conditional boundary → KILLED

3.3
Location : generate
Killed by : none changed conditional boundary → NO_COVERAGE

4.4
Location : generate
Killed by : oghamcore.it.html.translator.InlineImageTranslatorTest.oghamAttributesShoulBeRemoved(oghamcore.it.html.translator.InlineImageTranslatorTest) negated conditional → KILLED

5.5
Location : generate
Killed by : oghamall.it.resolver.FreemarkerRelativeResourcesTests.relativeToPrefixSuffixAndPath(oghamall.it.resolver.FreemarkerRelativeResourcesTests) negated conditional → KILLED

6.6
Location : generate
Killed by : none negated conditional → NO_COVERAGE
71

1.1
Location : generate
Killed by : none Replaced long addition with subtraction → NO_COVERAGE
73

1.1
Location : generate
Killed by : oghamcore.it.html.translator.InlineImageTranslatorTest.oghamAttributesShoulBeRemoved(oghamcore.it.html.translator.InlineImageTranslatorTest) replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::generate → KILLED

2.2
Location : generate
Killed by : oghamall.it.resolver.FreemarkerRelativeResourcesTests.relativeToPrefixSuffixAndPath(oghamall.it.resolver.FreemarkerRelativeResourcesTests) replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::generate → KILLED

3.3
Location : generate
Killed by : none replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::generate → NO_COVERAGE
77

1.1
Location : namePrefix
Killed by : none negated conditional → NO_COVERAGE

2.2
Location : namePrefix
Killed by : oghamall.it.resolver.FreemarkerRelativeResourcesTests.relativeToPrefixSuffixAndPath(oghamall.it.resolver.FreemarkerRelativeResourcesTests) negated conditional → KILLED

3.3
Location : namePrefix
Killed by : oghamcore.it.html.translator.InlineImageTranslatorTest.oghamAttributesShoulBeRemoved(oghamcore.it.html.translator.InlineImageTranslatorTest) negated conditional → KILLED
81

1.1
Location : namePrefix
Killed by : none replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::namePrefix → NO_COVERAGE

2.2
Location : namePrefix
Killed by : oghamall.it.resolver.FreemarkerRelativeResourcesTests.relativeToPrefixSuffixAndPath(oghamall.it.resolver.FreemarkerRelativeResourcesTests) replaced return value with "" for fr/sii/ogham/core/id/generator/SequentialIdGenerator::namePrefix → KILLED

Active mutators

Tests examined


Report generated by PIT OGHAM