2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.datamodel;
23 import org.apache.logging.log4j.util.Strings;
25 public class SequenceDummy extends Sequence
27 public SequenceDummy(String sequenceId)
29 super(sequenceId, "THISAPLACEHOLDER");
32 private boolean dummy = true;
35 * become a proxy for mseq, merging any existing annotation on this sequence
39 public void become(SequenceI mseq)
41 initSeqFrom(mseq, null);
46 * Test if the SequenceDummy has been promoted to a real sequence via
47 * SequenceDummy.become
49 * @return true if this is a placeholder and contains no actual sequence data
51 public boolean isDummy()
57 * Always suppress /start-end for display name as we don't know it
60 public String getDisplayId(boolean jvsuffix)
62 // required for correct behaviour of SequenceIdMatcher
63 return super.getDisplayId(false);
69 return super.getStart();
75 if (datasetSequence == null && dummy && getFeatures() != null
76 && getFeatures().hasFeatures())
78 return getFeatures().getFeatureExtent().get(1);
80 return super.getEnd();
84 public char[] getSequence()
87 return super.getSequence();
91 public String getSequenceAsString(int start, int end)
94 return super.getSequenceAsString(start, end);
97 private void checkSeqData()
99 // materialise a dummy sequence of the correct length
100 if (datasetSequence == null && dummy && getFeatures() != null
101 && getFeatures().hasFeatures())
104 char[] sq = super.getSequence();
105 if (endS > sq.length)
108 String.valueOf(sq) + Strings.repeat("X", endS - sq.length));
114 public String getSequenceAsString()
117 return super.getSequenceAsString();
121 public SequenceI createDatasetSequence()
123 if (dummy && datasetSequence == null)
126 datasetSequence = new SequenceDummy(this.getName());
127 super.updateDatasetFrom((Sequence) datasetSequence, this);
128 super.setEnd(datasetSequence.getEnd());
130 return super.createDatasetSequence();