diff options
Diffstat (limited to 'src/core/src/data/io')
| -rw-r--r-- | src/core/src/data/io/AbstractMVDataReader.java | 49 | ||||
| -rw-r--r-- | src/core/src/data/io/AbstractMVDataWriter.java | 70 | ||||
| -rw-r--r-- | src/core/src/data/io/MVDataReader.java | 39 | ||||
| -rw-r--r-- | src/core/src/data/io/MVDataWriter.java | 45 | ||||
| -rw-r--r-- | src/core/src/data/io/stub/StubDataReader.java | 63 | ||||
| -rw-r--r-- | src/core/src/data/io/stub/StubDataWriter.java | 104 |
6 files changed, 370 insertions, 0 deletions
diff --git a/src/core/src/data/io/AbstractMVDataReader.java b/src/core/src/data/io/AbstractMVDataReader.java new file mode 100644 index 0000000..3e63de1 --- /dev/null +++ b/src/core/src/data/io/AbstractMVDataReader.java @@ -0,0 +1,49 @@ +/* + * SSSync, a Simple and Stupid Synchronizer for data with multi-valued attributes + * Copyright (C) 2014 Ludovic Pouzenc <ludovic@pouzenc.fr> + * + * This file is part of SSSync. + * + * SSSync is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * SSSync is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with SSSync. If not, see <http://www.gnu.org/licenses/> + */ + +package data.io; + +/** + * Stream-oriented abstract reader from a particular data source. + * Memory footprint should not depends on readable line count nor next() call count. + * + * @author lpouzenc + */ +public abstract class AbstractMVDataReader implements MVDataReader { + + protected String dataSourceName="(unknown source)"; + + /** + * Not supported (Readers are read-only). + */ + @Override + public void remove() { + throw new UnsupportedOperationException(); + } + + /* (non-Javadoc) + * @see data.io.MVDataReader#getDataSourceName() + */ + @Override + public String getDataSourceName() { + return dataSourceName; + } + +} diff --git a/src/core/src/data/io/AbstractMVDataWriter.java b/src/core/src/data/io/AbstractMVDataWriter.java new file mode 100644 index 0000000..454e8ce --- /dev/null +++ b/src/core/src/data/io/AbstractMVDataWriter.java @@ -0,0 +1,70 @@ +/* + * SSSync, a Simple and Stupid Synchronizer for data with multi-valued attributes + * Copyright (C) 2014 Ludovic Pouzenc <ludovic@pouzenc.fr> + * + * This file is part of SSSync. + * + * SSSync is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * SSSync is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with SSSync. If not, see <http://www.gnu.org/licenses/> + */ + +package data.io; + +import java.util.Set; + +import data.MVDataEntry; + +/** + * Stream-oriented abstract writer from a particular data source. + * All derived writers should honor a dry-run mode. + * + * @author lpouzenc + */ +public abstract class AbstractMVDataWriter implements MVDataWriter { + //TODO : not so useful. Interface extraction was not a good idea ? + + /** + * Dry-run mode flag (disabled by default) + */ + protected boolean dryRun=false; + + /* (non-Javadoc) + * @see data.io.MVDataWriter#isDryRun() + */ + public boolean isDryRun() { + return dryRun; + } + + /* (non-Javadoc) + * @see data.io.MVDataWriter#setDryRun(boolean) + */ + public void setDryRun(boolean dryRun) { + this.dryRun = dryRun; + } + + /* (non-Javadoc) + * @see data.io.MVDataWriter#insert(data.MVDataEntry) + */ + @Override + public abstract void insert(MVDataEntry newEntry) throws Exception; + /* (non-Javadoc) + * @see data.io.MVDataWriter#update(data.MVDataEntry, data.MVDataEntry, java.util.Set) + */ + @Override + public abstract void update(MVDataEntry updatedEntry, MVDataEntry originalEntry, Set<String> attrToUpdate) throws Exception; + /* (non-Javadoc) + * @see data.io.MVDataWriter#delete(data.MVDataEntry) + */ + @Override + public abstract void delete(MVDataEntry existingEntry) throws Exception; +} diff --git a/src/core/src/data/io/MVDataReader.java b/src/core/src/data/io/MVDataReader.java new file mode 100644 index 0000000..8a9871a --- /dev/null +++ b/src/core/src/data/io/MVDataReader.java @@ -0,0 +1,39 @@ +/* + * SSSync, a Simple and Stupid Synchronizer for data with multi-valued attributes + * Copyright (C) 2014 Ludovic Pouzenc <ludovic@pouzenc.fr> + * + * This file is part of SSSync. + * + * SSSync is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * SSSync is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with SSSync. If not, see <http://www.gnu.org/licenses/> + */ + +package data.io; + +import java.util.Iterator; + +import data.MVDataEntry; + +/** + * TODO javadoc + * + * @author lpouzenc + */ +public interface MVDataReader extends Iterator<MVDataEntry>, Iterable<MVDataEntry>{ + + /** + * @return the dataSourceName + */ + public String getDataSourceName(); + +}
\ No newline at end of file diff --git a/src/core/src/data/io/MVDataWriter.java b/src/core/src/data/io/MVDataWriter.java new file mode 100644 index 0000000..2f16fbc --- /dev/null +++ b/src/core/src/data/io/MVDataWriter.java @@ -0,0 +1,45 @@ +/* + * SSSync, a Simple and Stupid Synchronizer for data with multi-valued attributes + * Copyright (C) 2014 Ludovic Pouzenc <ludovic@pouzenc.fr> + * + * This file is part of SSSync. + * + * SSSync is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * SSSync is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with SSSync. If not, see <http://www.gnu.org/licenses/> + */ + +package data.io; + +import java.util.Set; + +import data.MVDataEntry; + +/** + * TODO javadoc + * + * @author lpouzenc + */ +public interface MVDataWriter { + + public boolean isDryRun(); + public void setDryRun(boolean dryRun); + + public void insert(MVDataEntry newEntry) throws Exception; + + public void update(MVDataEntry updatedEntry, + MVDataEntry originalEntry, Set<String> attrToUpdate) + throws Exception; + + public void delete(MVDataEntry existingEntry) throws Exception; + +}
\ No newline at end of file diff --git a/src/core/src/data/io/stub/StubDataReader.java b/src/core/src/data/io/stub/StubDataReader.java new file mode 100644 index 0000000..ed91267 --- /dev/null +++ b/src/core/src/data/io/stub/StubDataReader.java @@ -0,0 +1,63 @@ +/* + * SSSync, a Simple and Stupid Synchronizer for data with multi-valued attributes + * Copyright (C) 2014 Ludovic Pouzenc <ludovic@pouzenc.fr> + * + * This file is part of SSSync. + * + * SSSync is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * SSSync is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with SSSync. If not, see <http://www.gnu.org/licenses/> + */ + +package data.io.stub; + +import java.util.Iterator; +import java.util.NoSuchElementException; + +import data.MVDataEntry; +import data.io.AbstractMVDataReader; + +/** + * Stub reader implementation for automated tests. + * + * @author lpouzenc + */ +public class StubDataReader extends AbstractMVDataReader { + + private final MVDataEntry fakeEntries[]; + private int cursorRead; + + public StubDataReader(String dataSourceName, MVDataEntry[] fakeEntries) { + this.dataSourceName = dataSourceName; + this.fakeEntries = fakeEntries.clone(); + } + + @Override + public Iterator<MVDataEntry> iterator() { + this.cursorRead = 0; + return this; + } + + @Override + public boolean hasNext() { + return cursorRead < fakeEntries.length; + } + + @Override + public MVDataEntry next() { + if ( ! hasNext() ) { + throw new NoSuchElementException(); + } + return fakeEntries[cursorRead++]; + } + +} diff --git a/src/core/src/data/io/stub/StubDataWriter.java b/src/core/src/data/io/stub/StubDataWriter.java new file mode 100644 index 0000000..cd08e77 --- /dev/null +++ b/src/core/src/data/io/stub/StubDataWriter.java @@ -0,0 +1,104 @@ +/* + * SSSync, a Simple and Stupid Synchronizer for data with multi-valued attributes + * Copyright (C) 2014 Ludovic Pouzenc <ludovic@pouzenc.fr> + * + * This file is part of SSSync. + * + * SSSync is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * SSSync is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with SSSync. If not, see <http://www.gnu.org/licenses/> + */ + +package data.io.stub; + +import java.util.Set; + +import data.MVDataEntry; +import data.io.AbstractMVDataWriter; + +/** + * Stub writer implementation for automated tests. + * + * @author lpouzenc + */ +public class StubDataWriter extends AbstractMVDataWriter { + + enum OpKind { INSERT, UPDATE, DELETE }; + + private final int maxLogEntries; + + private OpKind opLog[]; + private MVDataEntry opData[]; + private int cursorLog; + + public StubDataWriter(int maxLogEntries) { + this.maxLogEntries = maxLogEntries; + this.opLog = new OpKind[maxLogEntries]; + this.opData = new MVDataEntry[maxLogEntries]; + } + + @Override + public void insert(MVDataEntry newline) { + if ( cursorLog >= maxLogEntries) { + throw new IllegalStateException(); + } + opLog[cursorLog]=OpKind.INSERT; + opData[cursorLog]=newline; + cursorLog++; + } + + @Override + public void update(MVDataEntry updatedLine, MVDataEntry originalLine, Set<String> attrToUpdate) { + if ( cursorLog >= maxLogEntries) { + throw new IllegalStateException(); + } + opLog[cursorLog]=OpKind.UPDATE; + opData[cursorLog]=updatedLine; + cursorLog++; + } + + @Override + public void delete(MVDataEntry existingLine) { + if ( cursorLog >= maxLogEntries) { + throw new IllegalStateException(); + } + opLog[cursorLog]=OpKind.DELETE; + opData[cursorLog]=existingLine; + cursorLog++; + } + + @Override + public String toString() { + StringBuffer buf = new StringBuffer(); + + for (int i = 0; i < cursorLog; i++) { + buf.append(opLog[i] + ": " + opData[i] + "\n"); + } + + return buf.toString(); + } + + /** + * @return the opLog + */ + public OpKind[] getOpLog() { + return opLog.clone(); + } + + /** + * @return the opData + */ + public MVDataEntry[] getOpData() { + return opData.clone(); + } + +} |