org.javers.core.diff.changetype.map.MapChange Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of javers-core Show documentation
Show all versions of javers-core Show documentation
JaVers - object auditing and diff framework for Java
package org.javers.core.diff.changetype.map;
import org.javers.common.collections.Lists;
import org.javers.common.string.PrettyValuePrinter;
import org.javers.common.validation.Validate;
import org.javers.core.diff.changetype.PropertyChange;
import org.javers.core.diff.changetype.PropertyChangeMetadata;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
/**
* Changes on a Map property
*
* @author bartosz walacik
*/
public class MapChange extends PropertyChange {
private final List changes;
public MapChange(PropertyChangeMetadata metadata, List changes) {
super(metadata);
Validate.argumentIsNotNull(changes);
Validate.argumentCheck(!changes.isEmpty(),"changes list should not be empty");
this.changes = Collections.unmodifiableList(new ArrayList<>(changes));
}
public List getEntryChanges() {
return changes;
}
public List getEntryAddedChanges() {
return filterChanges(EntryAdded.class);
}
public List getEntryRemovedChanges() {
return filterChanges(EntryRemoved.class);
}
public List getEntryValueChanges() {
return filterChanges(EntryValueChange.class);
}
private List filterChanges(final Class ofType) {
return (List) Lists.positiveFilter(changes, input -> ofType.isAssignableFrom(input.getClass()));
}
@Override
public String prettyPrint(PrettyValuePrinter valuePrinter) {
Validate.argumentIsNotNull(valuePrinter);
StringBuilder builder = new StringBuilder();
builder.append(valuePrinter.formatWithQuotes(getPropertyNameWithPath()) + " map changes :\n");
changes.forEach(cc -> builder.append(" " + cc.prettyPrint(valuePrinter)+"\n"));
String result = builder.toString();
return result.substring(0, result.length() - 1);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof MapChange) {
MapChange that = (MapChange) obj;
return super.equals(that)
&& Objects.equals(this.changes, that.changes);
}
return false;
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), this.changes);
}
}