*/
package jalview.datamodel;
-import java.util.HashMap;
+import java.util.Comparator;
+import java.util.LinkedHashMap;
import java.util.Map;
+import java.util.Map.Entry;
+import java.util.SortedMap;
+import java.util.TreeMap;
import java.util.Vector;
+import jalview.datamodel.features.FeatureAttributeType;
+import jalview.datamodel.features.FeatureAttributes;
+import jalview.datamodel.features.FeatureLocationI;
+import jalview.datamodel.features.FeatureSourceI;
+import jalview.datamodel.features.FeatureSources;
+import jalview.util.StringUtils;
+
/**
- * DOCUMENT ME!
- *
- * @author $author$
- * @version $Revision$
+ * A class that models a single contiguous feature on a sequence. If flag
+ * 'contactFeature' is true, the start and end positions are interpreted instead
+ * as two contact points.
*/
-public class SequenceFeature
+public class SequenceFeature implements FeatureLocationI
{
+ /*
+ * score value if none is set; preferably Float.Nan, but see
+ * JAL-2060 and JAL-2554 for a couple of blockers to that
+ */
+ private static final float NO_SCORE = 0f;
+
private static final String STATUS = "status";
- private static final String STRAND = "STRAND";
+ public static final String STRAND = "STRAND";
- private static final String ATTRIBUTES = "ATTRIBUTES";
+ // key for Phase designed not to conflict with real GFF data
+ public static final String PHASE = "!Phase";
- public int begin;
+ // private key for ENA location designed not to conflict with real GFF data
+ private static final String LOCATION = "!Location";
+
+ private static final String ROW_DATA = "<tr><td>%s</td><td>%s</td><td>%s</td></tr>";
+
+ /*
+ * type, begin, end, featureGroup, score and contactFeature are final
+ * to ensure that the integrity of SequenceFeatures data store
+ * can't be broken by direct update of these fields
+ */
+ public final String type;
- public int end;
+ public final int begin;
- public float score;
+ public final int end;
- public String type;
+ public final String featureGroup;
+
+ public final float score;
+
+ private final boolean contactFeature;
public String description;
+ /*
+ * a map of key-value pairs; may be populated from GFF 'column 9' data,
+ * other data sources (e.g. GenBank file), or programmatically
+ */
public Map<String, Object> otherDetails;
public Vector<String> links;
- // Feature group can be set from a features file
- // as a group of features between STARTGROUP and ENDGROUP markers
- public String featureGroup;
-
- public SequenceFeature()
- {
- }
+ /*
+ * the identifier (if known) for the FeatureSource held in FeatureSources,
+ * as a provider of metadata about feature attributes
+ */
+ private String source;
/**
* Constructs a duplicate feature. Note: Uses makes a shallow copy of the
*/
public SequenceFeature(SequenceFeature cpy)
{
- if (cpy != null)
+ this(cpy, cpy.getBegin(), cpy.getEnd(), cpy.getFeatureGroup(), cpy
+ .getScore());
+ }
+
+ /**
+ * Constructor
+ *
+ * @param theType
+ * @param theDesc
+ * @param theBegin
+ * @param theEnd
+ * @param group
+ */
+ public SequenceFeature(String theType, String theDesc, int theBegin,
+ int theEnd, String group)
+ {
+ this(theType, theDesc, theBegin, theEnd, NO_SCORE, group);
+ }
+
+ /**
+ * Constructor including a score value
+ *
+ * @param theType
+ * @param theDesc
+ * @param theBegin
+ * @param theEnd
+ * @param theScore
+ * @param group
+ */
+ public SequenceFeature(String theType, String theDesc, int theBegin,
+ int theEnd, float theScore, String group)
+ {
+ this.type = theType;
+ this.description = theDesc;
+ this.begin = theBegin;
+ this.end = theEnd;
+ this.featureGroup = group;
+ this.score = theScore;
+
+ /*
+ * for now, only "Disulfide/disulphide bond" is treated as a contact feature
+ */
+ this.contactFeature = "disulfide bond".equalsIgnoreCase(type)
+ || "disulphide bond".equalsIgnoreCase(type);
+ }
+
+ /**
+ * A copy constructor that allows the value of final fields to be 'modified'
+ *
+ * @param sf
+ * @param newType
+ * @param newBegin
+ * @param newEnd
+ * @param newGroup
+ * @param newScore
+ */
+ public SequenceFeature(SequenceFeature sf, String newType, int newBegin,
+ int newEnd, String newGroup, float newScore)
+ {
+ this(newType, sf.getDescription(), newBegin, newEnd, newScore,
+ newGroup);
+
+ this.source = sf.source;
+
+ if (sf.otherDetails != null)
{
- begin = cpy.begin;
- end = cpy.end;
- score = cpy.score;
- if (cpy.type != null)
- {
- type = new String(cpy.type);
- }
- if (cpy.description != null)
- {
- description = new String(cpy.description);
- }
- if (cpy.featureGroup != null)
- {
- featureGroup = new String(cpy.featureGroup);
- }
- if (cpy.otherDetails != null)
- {
- try
- {
- otherDetails = (Map<String, Object>) ((HashMap<String, Object>) cpy.otherDetails)
- .clone();
- } catch (Exception e)
- {
- // ignore
- }
- }
- if (cpy.links != null && cpy.links.size() > 0)
- {
- links = new Vector<String>();
- for (int i = 0, iSize = cpy.links.size(); i < iSize; i++)
- {
- links.addElement(cpy.links.elementAt(i));
- }
- }
+ otherDetails = new LinkedHashMap<>();
+ otherDetails.putAll(sf.otherDetails);
+ }
+ if (sf.links != null && sf.links.size() > 0)
+ {
+ links = new Vector<>();
+ links.addAll(sf.links);
}
}
- public SequenceFeature(String type, String desc, String status,
- int begin, int end, String featureGroup)
+ /**
+ * A copy constructor that allows the value of final fields to be 'modified'
+ *
+ * @param sf
+ * @param newBegin
+ * @param newEnd
+ * @param newGroup
+ * @param newScore
+ */
+ public SequenceFeature(SequenceFeature sf, int newBegin, int newEnd,
+ String newGroup, float newScore)
{
- this.type = type;
- this.description = desc;
- setValue(STATUS, status);
- this.begin = begin;
- this.end = end;
- this.featureGroup = featureGroup;
+ this(sf, sf.getType(), newBegin, newEnd, newGroup, newScore);
}
- public SequenceFeature(String type, String desc, int begin, int end,
- float score, String featureGroup)
+ /**
+ * Two features are considered equal if they have the same type, group,
+ * description, start, end, phase, strand, and (if present) 'Name', ID' and
+ * 'Parent' attributes.
+ *
+ * Note we need to check Parent to distinguish the same exon occurring in
+ * different transcripts (in Ensembl GFF). This allows assembly of transcript
+ * sequences from their component exon regions.
+ */
+ @Override
+ public boolean equals(Object o)
{
- this.type = type;
- this.description = desc;
- this.begin = begin;
- this.end = end;
- this.score = score;
- this.featureGroup = featureGroup;
+ return equals(o, false);
}
- public boolean equals(SequenceFeature sf)
+ /**
+ * Overloaded method allows the equality test to optionally ignore the
+ * 'Parent' attribute of a feature. This supports avoiding adding many
+ * superficially duplicate 'exon' or CDS features to genomic or protein
+ * sequence.
+ *
+ * @param o
+ * @param ignoreParent
+ * @return
+ */
+ public boolean equals(Object o, boolean ignoreParent)
{
- if (begin != sf.begin || end != sf.end || score != sf.score)
+ if (o == null || !(o instanceof SequenceFeature))
{
return false;
}
- if (!(type + description + featureGroup).equals(sf.type
- + sf.description + sf.featureGroup))
+ SequenceFeature sf = (SequenceFeature) o;
+ boolean sameScore = Float.isNaN(score) ? Float.isNaN(sf.score)
+ : score == sf.score;
+ if (begin != sf.begin || end != sf.end || !sameScore)
{
return false;
}
+ if (getStrand() != sf.getStrand())
+ {
+ return false;
+ }
+
+ if (!(type + description + featureGroup + getPhase()).equals(
+ sf.type + sf.description + sf.featureGroup + sf.getPhase()))
+ {
+ return false;
+ }
+ if (!equalAttribute(getValue("ID"), sf.getValue("ID")))
+ {
+ return false;
+ }
+ if (!equalAttribute(getValue("Name"), sf.getValue("Name")))
+ {
+ return false;
+ }
+ if (!ignoreParent)
+ {
+ if (!equalAttribute(getValue("Parent"), sf.getValue("Parent")))
+ {
+ return false;
+ }
+ }
return true;
}
/**
+ * Returns true if both values are null, are both non-null and equal
+ *
+ * @param att1
+ * @param att2
+ * @return
+ */
+ protected static boolean equalAttribute(Object att1, Object att2)
+ {
+ if (att1 == null && att2 == null)
+ {
+ return true;
+ }
+ if (att1 != null)
+ {
+ return att1.equals(att2);
+ }
+ return att2.equals(att1);
+ }
+
+ /**
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*/
+ @Override
public int getBegin()
{
return begin;
}
- public void setBegin(int start)
- {
- this.begin = start;
- }
-
/**
* DOCUMENT ME!
*
* @return DOCUMENT ME!
*/
+ @Override
public int getEnd()
{
return end;
}
- public void setEnd(int end)
- {
- this.end = end;
- }
-
/**
* DOCUMENT ME!
*
return type;
}
- public void setType(String type)
- {
- this.type = type;
- }
-
/**
* DOCUMENT ME!
*
return featureGroup;
}
- public void setFeatureGroup(String featureGroup)
- {
- this.featureGroup = featureGroup;
- }
-
+ /**
+ * Adds a hyperlink for the feature. This should have the format label|url.
+ *
+ * @param labelLink
+ */
public void addLink(String labelLink)
{
if (links == null)
{
- links = new Vector<String>();
+ links = new Vector<>();
}
- links.insertElementAt(labelLink, 0);
+ if (!links.contains(labelLink))
+ {
+ links.insertElementAt(labelLink, 0);
+ }
}
public float getScore()
return score;
}
- public void setScore(float value)
- {
- score = value;
- }
-
/**
- * Used for getting values which are not in the basic set. eg STRAND, FRAME
+ * Used for getting values which are not in the basic set. eg STRAND, PHASE
* for GFF file
*
* @param key
}
/**
+ * Answers the value of the specified attribute as string, or null if no such
+ * value. If more than one attribute name is provided, tries to resolve as keys
+ * to nested maps. For example, if attribute "CSQ" holds a map of key-value
+ * pairs, then getValueAsString("CSQ", "Allele") returns the value of "Allele"
+ * in that map.
+ *
+ * @param key
+ * @return
+ */
+ public String getValueAsString(String... key)
+ {
+ if (otherDetails == null)
+ {
+ return null;
+ }
+ Object value = otherDetails.get(key[0]);
+ if (key.length > 1 && value instanceof Map<?, ?>)
+ {
+ value = ((Map) value).get(key[1]);
+ }
+ return value == null ? null : value.toString();
+ }
+
+ /**
* Returns a property value for the given key if known, else the specified
* default value
*
{
if (otherDetails == null)
{
- otherDetails = new HashMap<String, Object>();
+ /*
+ * LinkedHashMap preserves insertion order of attributes
+ */
+ otherDetails = new LinkedHashMap<>();
}
otherDetails.put(key, value);
+ recordAttribute(key, value);
+ }
+ }
+
+ /**
+ * Notifies the addition of a feature attribute. This lets us keep track of
+ * which attributes are present on each feature type, and also the range of
+ * numerical-valued attributes.
+ *
+ * @param key
+ * @param value
+ */
+ protected void recordAttribute(String key, Object value)
+ {
+ String attDesc = null;
+ if (source != null)
+ {
+ attDesc = FeatureSources.getInstance().getSource(source)
+ .getAttributeName(key);
}
+
+ FeatureAttributes.getInstance().addAttribute(this.type, attDesc, value,
+ key);
}
/*
return (String) getValue(STATUS);
}
- public void setAttributes(String attr)
- {
- setValue(ATTRIBUTES, attr);
- }
-
- public String getAttributes()
- {
- return (String) getValue(ATTRIBUTES);
- }
-
- public void setPosition(int pos)
- {
- begin = pos;
- end = pos;
- }
-
- public int getPosition()
- {
- return begin;
- }
-
/**
* Return 1 for forward strand ('+' in GFF), -1 for reverse strand ('-' in
* GFF), and 0 for unknown or not (validly) specified
return strand;
}
+ /**
+ * Set the value of strand
+ *
+ * @param strand
+ * should be "+" for forward, or "-" for reverse
+ */
public void setStrand(String strand)
{
setValue(STRAND, strand);
}
+ public void setPhase(String phase)
+ {
+ setValue(PHASE, phase);
+ }
+
+ public String getPhase()
+ {
+ return (String) getValue(PHASE);
+ }
+
+ /**
+ * Sets the 'raw' ENA format location specifier e.g. join(12..45,89..121)
+ *
+ * @param loc
+ */
+ public void setEnaLocation(String loc)
+ {
+ setValue(LOCATION, loc);
+ }
+
+ /**
+ * Gets the 'raw' ENA format location specifier e.g. join(12..45,89..121)
+ *
+ * @param loc
+ */
+ public String getEnaLocation()
+ {
+ return (String) getValue(LOCATION);
+ }
+
+ /**
+ * Readable representation, for debug only, not guaranteed not to change
+ * between versions
+ */
+ @Override
+ public String toString()
+ {
+ return String.format("%d %d %s %s", getBegin(), getEnd(), getType(),
+ getDescription());
+ }
+
+ /**
+ * Overridden to ensure that whenever two objects are equal, they have the
+ * same hashCode
+ */
+ @Override
+ public int hashCode()
+ {
+ String s = getType() + getDescription() + getFeatureGroup()
+ + getValue("ID") + getValue("Name") + getValue("Parent")
+ + getPhase();
+ return s.hashCode() + getBegin() + getEnd() + (int) getScore()
+ + getStrand();
+ }
+
+ /**
+ * Answers true if the feature's start/end values represent two related
+ * positions, rather than ends of a range. Such features may be visualised or
+ * reported differently to features on a range.
+ */
+ @Override
+ public boolean isContactFeature()
+ {
+ return contactFeature;
+ }
+
+ /**
+ * Answers true if the sequence has zero start and end position
+ *
+ * @return
+ */
+ public boolean isNonPositional()
+ {
+ return begin == 0 && end == 0;
+ }
+
+ /**
+ * Answers an html-formatted report of feature details. If parameter
+ * {@code mf} is not null, the feature is a virtual linked feature, and
+ * details included both the original location and the mapped location
+ * (CDS/peptide).
+ *
+ * @param seqName
+ * @param mf
+ *
+ * @return
+ */
+ public String getDetailsReport(String seqName, MappedFeatures mf)
+ {
+ FeatureSourceI metadata = FeatureSources.getInstance()
+ .getSource(source);
+
+ StringBuilder sb = new StringBuilder(128);
+ sb.append("<br>");
+ sb.append("<table>");
+ String name = mf == null ? seqName : mf.getLinkedSequenceName();
+ sb.append(String.format(ROW_DATA, "Location", name,
+ begin == end ? begin
+ : begin + (isContactFeature() ? ":" : "-") + end));
+
+ String consequence = "";
+ if (mf != null)
+ {
+ int[] localRange = mf.getMappedPositions(begin, end);
+ int from = localRange[0];
+ int to = localRange[localRange.length - 1];
+ String s = mf.isFromCds() ? "Peptide Location" : "Coding location";
+ sb.append(String.format(ROW_DATA, s, seqName, from == to ? from
+ : from + (isContactFeature() ? ":" : "-") + to));
+ if (mf.isFromCds())
+ {
+ consequence = mf.findProteinVariants(this);
+ }
+ }
+ sb.append(String.format(ROW_DATA, "Type", type, ""));
+ String desc = StringUtils.stripHtmlTags(description);
+ sb.append(String.format(ROW_DATA, "Description", desc, ""));
+ if (!Float.isNaN(score) && score != 0f)
+ {
+ sb.append(String.format(ROW_DATA, "Score", score, ""));
+ }
+ if (featureGroup != null)
+ {
+ sb.append(String.format(ROW_DATA, "Group", featureGroup, ""));
+ }
+
+ if (!consequence.isEmpty())
+ {
+ sb.append(String.format(ROW_DATA, "Consequence",
+ "<i>Translated by Jalview</i>", consequence));
+ }
+
+ if (otherDetails != null)
+ {
+ TreeMap<String, Object> ordered = new TreeMap<>(
+ String.CASE_INSENSITIVE_ORDER);
+ ordered.putAll(otherDetails);
+
+ for (Entry<String, Object> entry : ordered.entrySet())
+ {
+ String key = entry.getKey();
+
+ Object value = entry.getValue();
+ if (value instanceof Map<?, ?>)
+ {
+ /*
+ * expand values in a Map attribute across separate lines
+ * copy to a TreeMap for alphabetical ordering
+ */
+ Map<String, Object> values = (Map<String, Object>) value;
+ SortedMap<String, Object> sm = new TreeMap<>(
+ String.CASE_INSENSITIVE_ORDER);
+ sm.putAll(values);
+ for (Entry<?, ?> e : sm.entrySet())
+ {
+ sb.append(String.format(ROW_DATA, key, e.getKey().toString(), e
+ .getValue().toString()));
+ }
+ }
+ else
+ {
+ // tried <td title="key"> but it failed to provide a tooltip :-(
+ String attDesc = null;
+ if (metadata != null)
+ {
+ attDesc = metadata.getAttributeName(key);
+ }
+ String s = entry.getValue().toString();
+ if (isValueInteresting(key, s, metadata))
+ {
+ sb.append(String.format(ROW_DATA, key, attDesc == null ? ""
+ : attDesc, s));
+ }
+ }
+ }
+ }
+ sb.append("</table>");
+
+ String text = sb.toString();
+ return text;
+ }
+
+ /**
+ * Answers true if we judge the value is worth displaying, by some heuristic
+ * rules, else false
+ *
+ * @param key
+ * @param value
+ * @param metadata
+ * @return
+ */
+ boolean isValueInteresting(String key, String value,
+ FeatureSourceI metadata)
+ {
+ /*
+ * currently suppressing zero values as well as null or empty
+ */
+ if (value == null || "".equals(value) || ".".equals(value)
+ || "0".equals(value))
+ {
+ return false;
+ }
+
+ if (metadata == null)
+ {
+ return true;
+ }
+
+ FeatureAttributeType attType = metadata.getAttributeType(key);
+ if (attType != null
+ && (attType == FeatureAttributeType.Float || attType
+ .equals(FeatureAttributeType.Integer)))
+ {
+ try
+ {
+ float fval = Float.valueOf(value);
+ if (fval == 0f)
+ {
+ return false;
+ }
+ } catch (NumberFormatException e)
+ {
+ // ignore
+ }
+ }
+
+ return true; // default to interesting
+ }
+
+ /**
+ * Sets the feature source identifier
+ *
+ * @param theSource
+ */
+ public void setSource(String theSource)
+ {
+ source = theSource;
+ }
+}
+
+class SFSortByEnd implements Comparator<SequenceFeature>
+{
+ @Override
+ public int compare(SequenceFeature a, SequenceFeature b)
+ {
+ return a.getEnd() - b.getEnd();
+ }
+}
+
+class SFSortByBegin implements Comparator<SequenceFeature>
+{
+ @Override
+ public int compare(SequenceFeature a, SequenceFeature b)
+ {
+ return a.getBegin() - b.getBegin();
+ }
}
git://source.jalview.org / jalview.git / blobdiff