package io.ebeaninternal.server.type;
import io.ebean.config.dbplatform.DbPlatformType;
import io.ebean.text.TextException;
import io.ebean.text.json.EJson;
import io.ebeanservice.docstore.api.mapping.DocPropertyType;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.sql.SQLException;
import java.util.Map;
/**
* Postgres Hstore type which maps Map<String,String> to a single 'HStore column' in the DB.
*/
@SuppressWarnings("rawtypes")
public class ScalarTypePostgresHstore extends ScalarTypeBase<Map> {
public ScalarTypePostgresHstore() {
super(Map.class, false, DbPlatformType.HSTORE);
}
@Override
public boolean isMutable() {
return true;
}
@Override
public boolean isDirty(Object value) {
return !(value instanceof ModifyAwareOwner) || ((ModifyAwareOwner) value).isMarkedDirty();
}
@SuppressWarnings("unchecked")
@Override
public Map read(DataReader dataReader) throws SQLException {
Object value = dataReader.getObject();
if (value == null) {
return null;
}
if (!(value instanceof Map)) {
throw new RuntimeException("Expecting Hstore to return as Map but got type " + value.getClass());
}
return new ModifyAwareMap((Map) value);
}
@Override
public void bind(DataBind b, Map value) throws SQLException {
b.setObject(value);
}
@Override
public Object toJdbcType(Object value) {
return value;
}
@Override
public Map toBeanType(Object value) {
return (Map) value;
}
@Override
public String formatValue(Map v) {
try {
return EJson.write(v);
} catch (IOException e) {
throw new TextException(e);
}
}
@Override
public Map parse(String value) {
try {
return EJson.parseObject(value);
} catch (IOException e) {
throw new TextException(e);
}
}
@Override
public Map convertFromMillis(long dateTime) {
throw new RuntimeException("Should never be called");
}
@Override
public boolean isDateTimeCapable() {
return false;
}
@Override
public Map readData(DataInput dataInput) throws IOException {
if (!dataInput.readBoolean()) {
return null;
} else {
return parse(dataInput.readUTF());
}
}
@Override
public void writeData(DataOutput dataOutput, Map map) throws IOException {
if (map == null) {
dataOutput.writeBoolean(false);
} else {
ScalarHelp.writeUTF(dataOutput, format(map));
}
}
@Override
public void jsonWrite(JsonGenerator writer, Map value) throws IOException {
EJson.write(value, writer);
}
@Override
public Map jsonRead(JsonParser parser) throws IOException {
// at this point the BeanProperty has read the START_OBJECT token
// to check for a null value. Pass the START_OBJECT token through to
// the EJson parsing so that it knows the first token has been read
return EJson.parseObject(parser, parser.getCurrentToken());
}
@Override
public DocPropertyType getDocType() {
return DocPropertyType.OBJECT;
}
}