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documentation for MARC field streams in MARC record

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This commit is contained in:
Jörg Prante 2022-10-31 23:46:22 +01:00
parent 399a43d920
commit 4da5a40e1c
1 changed files with 162 additions and 35 deletions
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197
src/main/java/org/xbib/marc/MarcRecord.java
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@ -150,76 +150,203 @@ public class MarcRecord implements Map<String, Object> {
}
/**
* Filter the MARC fields of this record with a given tag.
* Filter all MARC fields of this record with a given tag.
*
* @param tag the MARC tag
* @param handler the handler
*/
public void filter(String tag, MarcFieldHandler handler) {
filter(marcField -> marcField.getTag().equals(tag), handler);
public void all(String tag, MarcFieldHandler handler) {
all(marcField -> marcField.getTag().equals(tag), handler);
}
public void filter(String tag, String indicator, MarcFieldHandler handler) {
filter(marcField -> marcField.getTag().equals(tag) && marcField.getIndicator().equals(indicator), handler);
/**
* Filter all MARC fields of this record with a given tag and indicator.
* @param tag the tag
* @param indicator the indicator
* @param handler the handler
*/
public void all(String tag, String indicator, MarcFieldHandler handler) {
all(marcField -> marcField.getTag().equals(tag) && marcField.getIndicator().equals(indicator), handler);
}
public void filter(String tag, String indicator, String subfieldId, MarcFieldHandler handler) {
filter(marcField -> marcField.getTag().equals(tag) &&
/**
* Filter all MARC fields of this record with a given tag and indicator and subfield ID.
* @param tag the tag
* @param indicator the indicator
* @param subfieldId the subfield ID
* @param handler the handler
*/
public void all(String tag, String indicator, String subfieldId, MarcFieldHandler handler) {
all(marcField -> marcField.getTag().equals(tag) &&
marcField.getIndicator().equals(indicator) &&
marcField.getSubfieldIds().contains(subfieldId), handler);
}
public void filter(Pattern pattern, MarcFieldHandler handler) {
filter(field -> field.matchesKey(pattern), handler);
/**
* Filter all MARC fields of this record with a given key pattern.
* @param pattern a pattern that must match the key
* @param handler the handler
*/
public void all(Pattern pattern, MarcFieldHandler handler) {
all(field -> field.matchesKey(pattern), handler);
}
public void filter(Predicate<? super MarcField> predicate, MarcFieldHandler handler) {
/**
* Filter all MARC fields of this record that satisfy a given predicate.
* @param predicate the predicate
* @param handler the handler
*/
public void all(Predicate<? super MarcField> predicate, MarcFieldHandler handler) {
marcFields.stream().filter(predicate).forEach(handler::field);
}
public void filterFirst(Predicate<? super MarcField> predicate, MarcFieldHandler handler) {
marcFields.stream().filter(predicate).findFirst().ifPresent(handler::field);
}
public MarcField getFirst(String tag) {
return getFirst(marcField -> marcField.getTag().equals(tag));
}
public MarcField getFirst(String tag, String indicator) {
return getFirst(marcField -> marcField.getTag().equals(tag) && marcField.getIndicator().equals(indicator));
}
public MarcField getFirst(String tag, String indicator, String subfieldId) {
return getFirst(marcField -> marcField.getTag().equals(tag) &&
marcField.getIndicator().equals(indicator) &&
marcField.getSubfieldIds().contains(subfieldId));
}
public MarcField getFirst(Predicate<? super MarcField> predicate) {
final MarcField[] array = new MarcField[1];
filterFirst(predicate, marcField -> array[0] = marcField);
return array[0];
}
/**
* Return all MARC fields of this record with a given tag and indicator.
* @param tag the tag
* @return a list of MARC fields
*/
public List<MarcField> getAll(String tag) {
return getAll(marcField -> marcField.getTag().equals(tag));
}
/**
* Return all MARC fields of this record with a given tag and indicator.
* @param tag the tag
* @param indicator the indicator
* @return a list of MARC fields
*/
public List<MarcField> getAll(String tag, String indicator) {
return getAll(marcField -> marcField.getTag().equals(tag) && marcField.getIndicator().equals(indicator));
}
/**
* Return all MARC fields of this record with a given tagm indicator, and subfield ID.
* @param tag the tag
* @param indicator the indicator
* @param subfieldId the subfield ID
* @return a list of MARC fields
*/
public List<MarcField> getAll(String tag, String indicator, String subfieldId) {
return getAll(marcField -> marcField.getTag().equals(tag) &&
marcField.getIndicator().equals(indicator) &&
marcField.getSubfieldIds().contains(subfieldId));
}
/**
* Return all MARC fields of this record that satisfy a given predicate.
* @param predicate the predicate
* @return a list of MARC fields
*/
public List<MarcField> getAll(Predicate<? super MarcField> predicate) {
List<MarcField> list = new LinkedList<>();
filter(predicate, list::add);
all(predicate, list::add);
return list;
}
/**
* Filter for the first MARC field of this record with a given tag.
* @param tag the MARC tag
* @param handler the handler
*/
public void first(String tag, MarcFieldHandler handler) {
first(marcField -> marcField.getTag().equals(tag), handler);
}
/**
* Filter for the first MARC field of this record with a given tag and indicator.
* @param tag the MARC tag
* @param indicator the indicator
* @param handler the handler
*/
public void first(String tag, String indicator, MarcFieldHandler handler) {
first(marcField -> marcField.getTag().equals(tag) && marcField.getIndicator().equals(indicator), handler);
}
/**
* Filter for the first MARC field of this record with a given tag and indicator and subfield ID.
* @param tag the tag
* @param indicator the indicator
* @param subfieldId the subfield ID
* @param handler the handler
*/
public void first(String tag, String indicator, String subfieldId, MarcFieldHandler handler) {
first(marcField -> marcField.getTag().equals(tag) &&
marcField.getIndicator().equals(indicator) &&
marcField.getSubfieldIds().contains(subfieldId), handler);
}
/**
* Filter the first MARC field of this record that satisfies a given predicate.
* @param predicate the predicate
* @param handler the handler
*/
public void first(Predicate<? super MarcField> predicate, MarcFieldHandler handler) {
marcFields.stream().filter(predicate).findFirst().ifPresent(handler::field);
}
/**
* Return the first MARC field of this record with a given tag.
* @param tag the tag
* @return the MARC field or null
*/
public MarcField getFirst(String tag) {
return getFirst(marcField -> marcField.getTag().equals(tag));
}
/**
* Return the first MARC field of this record with a given tag and indicator.
* @param tag the tag
* @param indicator the indicator
* @return the MARC field or null
*/
public MarcField getFirst(String tag, String indicator) {
return getFirst(marcField -> marcField.getTag().equals(tag) && marcField.getIndicator().equals(indicator));
}
/**
* Return the first MARC field of this record with a given tag and indicator and subfield ID.
* @param tag the tag
* @param indicator the indicator
* @param subfieldId the subfield ID
* @return the MARC field or null
*/
public MarcField getFirst(String tag, String indicator, String subfieldId) {
return getFirst(marcField -> marcField.getTag().equals(tag) &&
marcField.getIndicator().equals(indicator) &&
marcField.getSubfieldIds().contains(subfieldId));
}
/**
* Return the first MARC field of this record that satisfies a given predicate.
* @param predicate the predicate
* @return the MARC field or null
*/
public MarcField getFirst(Predicate<? super MarcField> predicate) {
final MarcField[] array = new MarcField[1];
first(predicate, marcField -> array[0] = marcField);
return array[0];
}
/**
* Filter any MARC field of this record that satisfies a given predicate.
* @param predicate the predicate
* @param handler the handler
*/
public void any(Predicate<? super MarcField> predicate, MarcFieldHandler handler) {
marcFields.stream().filter(predicate).findAny().ifPresent(handler::field);
}
/**
* Get any MARC field of this record that satisfies a given predicate.
* @param predicate the predicate
* @return the MARC field or null
*/
public MarcField getAny(Predicate<? super MarcField> predicate) {
final MarcField[] array = new MarcField[1];
any(predicate, marcField -> array[0] = marcField);
return array[0];
}
@Override
public int size() {
return delegate.size();