private int repeatInternal(
@NotNull PseudocodeImpl originalPseudocode,
@Nullable Label startLabel,
@Nullable Label finishLabel,
int labelCount) {
Integer startIndex =
startLabel != null
? ((PseudocodeLabel) startLabel).getTargetInstructionIndex()
: Integer.valueOf(0);
assert startIndex != null;
Integer finishIndex =
finishLabel != null
? ((PseudocodeLabel) finishLabel).getTargetInstructionIndex()
: Integer.valueOf(originalPseudocode.mutableInstructionList.size());
assert finishIndex != null;
Map<Label, Label> originalToCopy = Maps.newLinkedHashMap();
Multimap<Instruction, Label> originalLabelsForInstruction = HashMultimap.create();
for (PseudocodeLabel label : originalPseudocode.labels) {
Integer index = label.getTargetInstructionIndex();
if (index == null) continue; // label is not bounded yet
if (label == startLabel || label == finishLabel) continue;
if (startIndex <= index && index <= finishIndex) {
originalToCopy.put(label, label.copy(labelCount++));
originalLabelsForInstruction.put(getJumpTarget(label), label);
}
}
for (Label label : originalToCopy.values()) {
labels.add((PseudocodeLabel) label);
}
for (int index = startIndex; index < finishIndex; index++) {
Instruction originalInstruction = originalPseudocode.mutableInstructionList.get(index);
repeatLabelsBindingForInstruction(
originalInstruction, originalToCopy, originalLabelsForInstruction);
Instruction copy = copyInstruction(originalInstruction, originalToCopy);
addInstruction(copy);
if (originalInstruction == originalPseudocode.errorInstruction
&& copy instanceof SubroutineExitInstruction) {
errorInstruction = (SubroutineExitInstruction) copy;
}
if (originalInstruction == originalPseudocode.exitInstruction
&& copy instanceof SubroutineExitInstruction) {
exitInstruction = (SubroutineExitInstruction) copy;
}
if (originalInstruction == originalPseudocode.sinkInstruction
&& copy instanceof SubroutineSinkInstruction) {
sinkInstruction = (SubroutineSinkInstruction) copy;
}
}
if (finishIndex < mutableInstructionList.size()) {
repeatLabelsBindingForInstruction(
originalPseudocode.mutableInstructionList.get(finishIndex),
originalToCopy,
originalLabelsForInstruction);
}
return labelCount;
}
private void init(
PName name,
PTableType type,
long timeStamp,
long sequenceNumber,
String pkName,
List<PColumn> columns,
PTableStats stats) {
this.name = name;
this.type = type;
this.timeStamp = timeStamp;
this.sequenceNumber = sequenceNumber;
this.columnsByName = ArrayListMultimap.create(columns.size(), 1);
this.pkName = pkName;
List<PColumn> pkColumns = Lists.newArrayListWithExpectedSize(columns.size() - 1);
PColumn[] allColumns = new PColumn[columns.size()];
RowKeySchemaBuilder builder = new RowKeySchemaBuilder();
for (int i = 0; i < allColumns.length; i++) {
PColumn column = columns.get(i);
allColumns[column.getPosition()] = column;
PName familyName = column.getFamilyName();
if (familyName == null) {
pkColumns.add(column);
builder.addField(column);
}
columnsByName.put(column.getName().getString(), column);
}
this.pkColumns = ImmutableList.copyOf(pkColumns);
this.rowKeySchema = builder.setMinNullable(pkColumns.size()).build();
this.allColumns = ImmutableList.copyOf(allColumns);
// Two pass so that column order in column families matches overall column order
// and to ensure that column family order is constant
int maxExpectedSize = allColumns.length - pkColumns.size();
// Maintain iteration order so that column families are ordered as they are listed
Map<PName, List<PColumn>> familyMap = Maps.newLinkedHashMap();
for (PColumn column : allColumns) {
PName familyName = column.getFamilyName();
if (familyName != null) {
List<PColumn> columnsInFamily = familyMap.get(familyName);
if (columnsInFamily == null) {
columnsInFamily = Lists.newArrayListWithExpectedSize(maxExpectedSize);
familyMap.put(familyName, columnsInFamily);
}
columnsInFamily.add(column);
}
}
Iterator<Map.Entry<PName, List<PColumn>>> iterator = familyMap.entrySet().iterator();
PColumnFamily[] families = new PColumnFamily[familyMap.size()];
ImmutableMap.Builder<String, PColumnFamily> familyByString = ImmutableMap.builder();
ImmutableSortedMap.Builder<byte[], PColumnFamily> familyByBytes =
ImmutableSortedMap.orderedBy(Bytes.BYTES_COMPARATOR);
for (int i = 0; i < families.length; i++) {
Map.Entry<PName, List<PColumn>> entry = iterator.next();
PColumnFamily family = new PColumnFamilyImpl(entry.getKey(), entry.getValue());
families[i] = family;
familyByString.put(family.getName().getString(), family);
familyByBytes.put(family.getName().getBytes(), family);
}
this.families = ImmutableList.copyOf(families);
this.familyByBytes = familyByBytes.build();
this.familyByString = familyByString.build();
this.stats = stats;
}
public MutationState createTable(CreateTableStatement statement, byte[][] splits)
throws SQLException {
PTableType tableType = statement.getTableType();
boolean isView = tableType == PTableType.VIEW;
if (isView && !statement.getProps().isEmpty()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.VIEW_WITH_TABLE_CONFIG)
.build()
.buildException();
}
connection.rollback();
boolean wasAutoCommit = connection.getAutoCommit();
try {
connection.setAutoCommit(false);
TableName tableNameNode = statement.getTableName();
String schemaName = tableNameNode.getSchemaName();
String tableName = tableNameNode.getTableName();
PrimaryKeyConstraint pkConstraint = statement.getPrimaryKeyConstraint();
String pkName = null;
Set<String> pkColumns = Collections.<String>emptySet();
Iterator<String> pkColumnsIterator = Iterators.emptyIterator();
if (pkConstraint != null) {
pkColumns = pkConstraint.getColumnNames();
pkColumnsIterator = pkColumns.iterator();
pkName = pkConstraint.getName();
}
List<ColumnDef> colDefs = statement.getColumnDefs();
List<PColumn> columns = Lists.newArrayListWithExpectedSize(colDefs.size());
PreparedStatement colUpsert = connection.prepareStatement(INSERT_COLUMN);
int columnOrdinal = 0;
Map<String, PName> familyNames = Maps.newLinkedHashMap();
boolean isPK = false;
for (ColumnDef colDef : colDefs) {
if (colDef.isPK()) {
if (isPK) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.PRIMARY_KEY_ALREADY_EXISTS)
.setColumnName(colDef.getColumnDefName().getColumnName().getName())
.build()
.buildException();
}
isPK = true;
}
PColumn column = newColumn(columnOrdinal++, colDef, pkConstraint);
if (SchemaUtil.isPKColumn(column)) {
// TODO: remove this constraint?
if (!pkColumns.isEmpty()
&& !column.getName().getString().equals(pkColumnsIterator.next())) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.PRIMARY_KEY_OUT_OF_ORDER)
.setSchemaName(schemaName)
.setTableName(tableName)
.setColumnName(column.getName().getString())
.build()
.buildException();
}
}
columns.add(column);
if (colDef.getDataType() == PDataType.BINARY && colDefs.size() > 1) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.BINARY_IN_ROW_KEY)
.setSchemaName(schemaName)
.setTableName(tableName)
.setColumnName(column.getName().getString())
.build()
.buildException();
}
if (column.getFamilyName() != null) {
familyNames.put(column.getFamilyName().getString(), column.getFamilyName());
}
}
if (!isPK && pkColumns.isEmpty()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.PRIMARY_KEY_MISSING)
.setSchemaName(schemaName)
.setTableName(tableName)
.build()
.buildException();
}
List<Pair<byte[], Map<String, Object>>> familyPropList =
Lists.newArrayListWithExpectedSize(familyNames.size());
Map<String, Object> commonFamilyProps = Collections.emptyMap();
Map<String, Object> tableProps = Collections.emptyMap();
if (!statement.getProps().isEmpty()) {
if (statement.isView()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.VIEW_WITH_PROPERTIES)
.build()
.buildException();
}
for (String familyName : statement.getProps().keySet()) {
if (!familyName.equals(QueryConstants.ALL_FAMILY_PROPERTIES_KEY)) {
if (familyNames.get(familyName) == null) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.PROPERTIES_FOR_FAMILY)
.setFamilyName(familyName)
.build()
.buildException();
}
}
}
commonFamilyProps = Maps.newHashMapWithExpectedSize(statement.getProps().size());
tableProps = Maps.newHashMapWithExpectedSize(statement.getProps().size());
Collection<Pair<String, Object>> props =
statement.getProps().get(QueryConstants.ALL_FAMILY_PROPERTIES_KEY);
// Somewhat hacky way of determining if property is for HColumnDescriptor or
// HTableDescriptor
HColumnDescriptor defaultDescriptor =
new HColumnDescriptor(QueryConstants.DEFAULT_COLUMN_FAMILY_BYTES);
for (Pair<String, Object> prop : props) {
if (defaultDescriptor.getValue(prop.getFirst()) != null) {
commonFamilyProps.put(prop.getFirst(), prop.getSecond());
} else {
tableProps.put(prop.getFirst(), prop.getSecond());
}
}
}
for (PName familyName : familyNames.values()) {
Collection<Pair<String, Object>> props = statement.getProps().get(familyName.getString());
if (props.isEmpty()) {
familyPropList.add(
new Pair<byte[], Map<String, Object>>(familyName.getBytes(), commonFamilyProps));
} else {
Map<String, Object> combinedFamilyProps =
Maps.newHashMapWithExpectedSize(props.size() + commonFamilyProps.size());
combinedFamilyProps.putAll(commonFamilyProps);
for (Pair<String, Object> prop : props) {
combinedFamilyProps.put(prop.getFirst(), prop.getSecond());
}
familyPropList.add(
new Pair<byte[], Map<String, Object>>(familyName.getBytes(), combinedFamilyProps));
}
}
// Bootstrapping for our SYSTEM.TABLE that creates itself before it exists
if (tableType == PTableType.SYSTEM) {
PTable table =
new PTableImpl(
new PNameImpl(tableName),
tableType,
MetaDataProtocol.MIN_TABLE_TIMESTAMP,
0,
QueryConstants.SYSTEM_TABLE_PK_NAME,
null,
columns);
connection.addTable(schemaName, table);
}
for (PColumn column : columns) {
addColumnMutation(schemaName, tableName, column, colUpsert);
}
Integer saltBucketNum = (Integer) tableProps.remove(PhoenixDatabaseMetaData.SALT_BUCKETS);
if (saltBucketNum != null
&& (saltBucketNum <= 0 || saltBucketNum > SaltingUtil.MAX_BUCKET_NUM)) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.INVALID_BUCKET_NUM)
.build()
.buildException();
}
PreparedStatement tableUpsert = connection.prepareStatement(CREATE_TABLE);
tableUpsert.setString(1, schemaName);
tableUpsert.setString(2, tableName);
tableUpsert.setString(3, tableType.getSerializedValue());
tableUpsert.setInt(4, 0);
tableUpsert.setInt(5, columnOrdinal);
if (saltBucketNum != null) {
tableUpsert.setInt(6, saltBucketNum);
} else {
tableUpsert.setNull(6, Types.INTEGER);
}
tableUpsert.setString(7, pkName);
tableUpsert.execute();
final List<Mutation> tableMetaData = connection.getMutationState().toMutations();
connection.rollback();
MetaDataMutationResult result =
connection
.getQueryServices()
.createTable(tableMetaData, isView, tableProps, familyPropList, splits);
MutationCode code = result.getMutationCode();
switch (code) {
case TABLE_ALREADY_EXISTS:
connection.addTable(schemaName, result.getTable());
if (!statement.ifNotExists()) {
throw new TableAlreadyExistsException(schemaName, tableName);
}
break;
case NEWER_TABLE_FOUND:
// TODO: add table if in result?
throw new NewerTableAlreadyExistsException(schemaName, tableName);
case UNALLOWED_TABLE_MUTATION:
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_MUTATE_TABLE)
.setSchemaName(schemaName)
.setTableName(tableName)
.build()
.buildException();
default:
PTable table =
new PTableImpl(
new PNameImpl(tableName),
tableType,
result.getMutationTime(),
0,
pkName,
saltBucketNum,
columns);
connection.addTable(schemaName, table);
if (tableType == PTableType.USER) {
connection.setAutoCommit(true);
// Delete everything in the column. You'll still be able to do queries at earlier
// timestamps
Long scn = connection.getSCN();
long ts = (scn == null ? result.getMutationTime() : scn);
PSchema schema =
new PSchemaImpl(
schemaName,
ImmutableMap.<String, PTable>of(table.getName().getString(), table));
TableRef tableRef = new TableRef(null, table, schema, ts);
byte[] emptyCF = SchemaUtil.getEmptyColumnFamily(table.getColumnFamilies());
MutationPlan plan =
new PostDDLCompiler(connection).compile(tableRef, emptyCF, null, ts);
return connection.getQueryServices().updateData(plan);
}
break;
}
return new MutationState(0, connection);
} finally {
connection.setAutoCommit(wasAutoCommit);
}
}
public class FunctionUtil {
private FunctionUtil() {}
public static FieldValue evaluate(
Apply apply, List<FieldValue> values, EvaluationContext context) {
String name = apply.getFunction();
Function function = getFunction(name);
if (function == null) {
DefineFunction defineFunction = context.resolveFunction(name);
if (defineFunction == null) {
throw new UnsupportedFeatureException(apply);
}
return evaluate(defineFunction, values, context);
}
return function.evaluate(values);
}
public static FieldValue evaluate(
DefineFunction defineFunction, List<FieldValue> values, EvaluationContext context) {
List<ParameterField> parameterFields = defineFunction.getParameterFields();
if (parameterFields.size() < 1) {
throw new InvalidFeatureException(defineFunction);
} // End if
if (parameterFields.size() != values.size()) {
throw new EvaluationException();
}
FunctionEvaluationContext functionContext = new FunctionEvaluationContext(context);
for (int i = 0; i < parameterFields.size(); i++) {
ParameterField parameterField = parameterFields.get(i);
FieldValue value = FieldValueUtil.refine(parameterField, values.get(i));
functionContext.declare(parameterField.getName(), value);
}
Expression expression = defineFunction.getExpression();
if (expression == null) {
throw new InvalidFeatureException(defineFunction);
}
FieldValue result = ExpressionUtil.evaluate(expression, functionContext);
return FieldValueUtil.refine(defineFunction.getDataType(), defineFunction.getOptype(), result);
}
public static Function getFunction(String name) {
return FunctionUtil.functions.get(name);
}
public static void putFunction(String name, Function function) {
FunctionUtil.functions.put(name, function);
}
private static void checkArguments(List<FieldValue> values, int size) {
checkArguments(values, size, false);
}
private static void checkArguments(List<FieldValue> values, int size, boolean allowNulls) {
boolean success = (values.size() == size) && (allowNulls ? true : !values.contains(null));
if (!success) {
throw new EvaluationException();
}
}
private static void checkVariableArguments(List<FieldValue> values, int size) {
checkVariableArguments(values, size, false);
}
private static void checkVariableArguments(
List<FieldValue> values, int size, boolean allowNulls) {
boolean success = (values.size() >= size) && (allowNulls ? true : !values.contains(null));
if (!success) {
throw new EvaluationException();
}
}
private static Number cast(DataType dataType, Number number) {
switch (dataType) {
case INTEGER:
if (number instanceof Integer) {
return number;
}
return Integer.valueOf(number.intValue());
case FLOAT:
if (number instanceof Float) {
return number;
}
return Float.valueOf(number.floatValue());
case DOUBLE:
if (number instanceof Double) {
return number;
}
return Double.valueOf(number.doubleValue());
default:
break;
}
throw new EvaluationException();
}
private static DataType integerToDouble(DataType dataType) {
switch (dataType) {
case INTEGER:
return DataType.DOUBLE;
default:
break;
}
return dataType;
}
private static final Map<String, Function> functions = Maps.newLinkedHashMap();
public interface Function {
FieldValue evaluate(List<FieldValue> values);
}
public abstract static class ArithmeticFunction implements Function {
public abstract Number evaluate(Number left, Number right);
@Override
public FieldValue evaluate(List<FieldValue> values) {
if (values.size() != 2) {
throw new EvaluationException();
}
FieldValue left = values.get(0);
FieldValue right = values.get(1);
// "If one of the input fields of a simple arithmetic function is a missing value, the result
// evaluates to missing value"
if (left == null || right == null) {
return null;
}
DataType dataType = TypeUtil.getResultDataType(left.getDataType(), right.getDataType());
Number result;
try {
result = evaluate(left.asNumber(), right.asNumber());
} catch (ArithmeticException ae) {
throw new InvalidResultException(null);
}
return FieldValueUtil.create(cast(dataType, result));
}
}
static {
putFunction(
"+",
new ArithmeticFunction() {
@Override
public Double evaluate(Number left, Number right) {
return Double.valueOf(left.doubleValue() + right.doubleValue());
}
});
putFunction(
"-",
new ArithmeticFunction() {
@Override
public Double evaluate(Number left, Number right) {
return Double.valueOf(left.doubleValue() - right.doubleValue());
}
});
putFunction(
"*",
new ArithmeticFunction() {
@Override
public Double evaluate(Number left, Number right) {
return Double.valueOf(left.doubleValue() * right.doubleValue());
}
});
putFunction(
"/",
new ArithmeticFunction() {
@Override
public Number evaluate(Number left, Number right) {
if (left instanceof Integer && right instanceof Integer) {
return Integer.valueOf(left.intValue() / right.intValue());
}
return Double.valueOf(left.doubleValue() / right.doubleValue());
}
});
}
public abstract static class AggregateFunction implements Function {
public abstract StorelessUnivariateStatistic createStatistic();
public DataType getResultType(DataType dataType) {
return dataType;
}
@Override
public FieldValue evaluate(List<FieldValue> values) {
StorelessUnivariateStatistic statistic = createStatistic();
DataType dataType = null;
for (FieldValue value : values) {
// "Missing values in the input to an aggregate function are simply ignored"
if (value == null) {
continue;
}
statistic.increment((value.asNumber()).doubleValue());
if (dataType != null) {
dataType = TypeUtil.getResultDataType(dataType, value.getDataType());
} else {
dataType = value.getDataType();
}
}
if (statistic.getN() == 0) {
throw new MissingResultException(null);
}
Object result = cast(getResultType(dataType), statistic.getResult());
return FieldValueUtil.create(result);
}
}
static {
putFunction(
"min",
new AggregateFunction() {
@Override
public Min createStatistic() {
return new Min();
}
});
putFunction(
"max",
new AggregateFunction() {
@Override
public Max createStatistic() {
return new Max();
}
});
putFunction(
"avg",
new AggregateFunction() {
@Override
public Mean createStatistic() {
return new Mean();
}
@Override
public DataType getResultType(DataType dataType) {
return integerToDouble(dataType);
}
});
putFunction(
"sum",
new AggregateFunction() {
@Override
public Sum createStatistic() {
return new Sum();
}
});
putFunction(
"product",
new AggregateFunction() {
@Override
public Product createStatistic() {
return new Product();
}
});
}
public abstract static class MathFunction implements Function {
public abstract Double evaluate(Number value);
public DataType getResultType(DataType dataType) {
return dataType;
}
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 1);
FieldValue value = values.get(0);
Number result = cast(getResultType(value.getDataType()), evaluate(value.asNumber()));
return FieldValueUtil.create(result);
}
}
public abstract static class FpMathFunction extends MathFunction {
@Override
public DataType getResultType(DataType dataType) {
return integerToDouble(dataType);
}
}
static {
putFunction(
"log10",
new FpMathFunction() {
@Override
public Double evaluate(Number value) {
return Math.log10(value.doubleValue());
}
});
putFunction(
"ln",
new FpMathFunction() {
@Override
public Double evaluate(Number value) {
return Math.log(value.doubleValue());
}
});
putFunction(
"exp",
new FpMathFunction() {
@Override
public Double evaluate(Number value) {
return Math.exp(value.doubleValue());
}
});
putFunction(
"sqrt",
new FpMathFunction() {
@Override
public Double evaluate(Number value) {
return Math.sqrt(value.doubleValue());
}
});
putFunction(
"abs",
new MathFunction() {
@Override
public Double evaluate(Number value) {
return Math.abs(value.doubleValue());
}
});
putFunction(
"pow",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 2);
FieldValue left = values.get(0);
FieldValue right = values.get(1);
DataType dataType = TypeUtil.getResultDataType(left.getDataType(), right.getDataType());
Double result =
Math.pow((left.asNumber()).doubleValue(), (right.asNumber()).doubleValue());
return FieldValueUtil.create(cast(dataType, result));
}
});
putFunction(
"threshold",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 2);
FieldValue left = values.get(0);
FieldValue right = values.get(1);
DataType dataType = TypeUtil.getResultDataType(left.getDataType(), right.getDataType());
Integer result =
((left.asNumber()).doubleValue() > (right.asNumber()).doubleValue()) ? 1 : 0;
return FieldValueUtil.create(cast(dataType, result));
}
});
putFunction(
"floor",
new MathFunction() {
@Override
public Double evaluate(Number number) {
return Math.floor(number.doubleValue());
}
});
putFunction(
"ceil",
new MathFunction() {
@Override
public Double evaluate(Number number) {
return Math.ceil(number.doubleValue());
}
});
putFunction(
"round",
new MathFunction() {
@Override
public Double evaluate(Number number) {
return (double) Math.round(number.doubleValue());
}
});
}
public abstract static class ValueFunction implements Function {
public abstract Boolean evaluate(FieldValue value);
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 1, true);
FieldValue value = values.get(0);
Boolean result = evaluate(value);
return FieldValueUtil.create(result);
}
}
static {
putFunction(
"isMissing",
new ValueFunction() {
@Override
public Boolean evaluate(FieldValue value) {
return Boolean.valueOf(value == null);
}
});
putFunction(
"isNotMissing",
new ValueFunction() {
@Override
public Boolean evaluate(FieldValue value) {
return Boolean.valueOf(value != null);
}
});
}
public abstract static class EqualityFunction implements Function {
public abstract Boolean evaluate(boolean equals);
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 2);
FieldValue left = values.get(0);
FieldValue right = values.get(1);
Boolean result = evaluate((left).equalsValue(right));
return FieldValueUtil.create(result);
}
}
static {
putFunction(
"equal",
new EqualityFunction() {
@Override
public Boolean evaluate(boolean equals) {
return Boolean.valueOf(equals);
}
});
putFunction(
"notEqual",
new EqualityFunction() {
@Override
public Boolean evaluate(boolean equals) {
return Boolean.valueOf(!equals);
}
});
}
public abstract static class ComparisonFunction implements Function {
public abstract Boolean evaluate(int order);
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 2);
FieldValue left = values.get(0);
FieldValue right = values.get(1);
Boolean result = evaluate((left).compareToValue(right));
return FieldValueUtil.create(result);
}
}
static {
putFunction(
"lessThan",
new ComparisonFunction() {
@Override
public Boolean evaluate(int order) {
return Boolean.valueOf(order < 0);
}
});
putFunction(
"lessOrEqual",
new ComparisonFunction() {
@Override
public Boolean evaluate(int order) {
return Boolean.valueOf(order <= 0);
}
});
putFunction(
"greaterThan",
new ComparisonFunction() {
@Override
public Boolean evaluate(int order) {
return Boolean.valueOf(order > 0);
}
});
putFunction(
"greaterOrEqual",
new ComparisonFunction() {
@Override
public Boolean evaluate(int order) {
return Boolean.valueOf(order >= 0);
}
});
}
public abstract static class BinaryBooleanFunction implements Function {
public abstract Boolean evaluate(Boolean left, Boolean right);
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkVariableArguments(values, 2);
Boolean result = (values.get(0)).asBoolean();
for (int i = 1; i < values.size(); i++) {
result = evaluate(result, (values.get(i)).asBoolean());
}
return FieldValueUtil.create(result);
}
}
static {
putFunction(
"and",
new BinaryBooleanFunction() {
@Override
public Boolean evaluate(Boolean left, Boolean right) {
return Boolean.valueOf(left.booleanValue() & right.booleanValue());
}
});
putFunction(
"or",
new BinaryBooleanFunction() {
@Override
public Boolean evaluate(Boolean left, Boolean right) {
return Boolean.valueOf(left.booleanValue() | right.booleanValue());
}
});
}
public abstract static class UnaryBooleanFunction implements Function {
public abstract Boolean evaluate(Boolean value);
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 1);
FieldValue value = values.get(0);
Boolean result = evaluate(value.asBoolean());
return FieldValueUtil.create(result);
}
}
static {
putFunction(
"not",
new UnaryBooleanFunction() {
@Override
public Boolean evaluate(Boolean value) {
return Boolean.valueOf(!value.booleanValue());
}
});
}
public abstract static class ValueListFunction implements Function {
public abstract Boolean evaluate(FieldValue value, List<FieldValue> values);
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkVariableArguments(values, 2);
Boolean result = evaluate(values.get(0), values.subList(1, values.size()));
return FieldValueUtil.create(result);
}
}
static {
putFunction(
"isIn",
new ValueListFunction() {
@Override
public Boolean evaluate(FieldValue value, List<FieldValue> values) {
return value.equalsAnyValue(values);
}
});
putFunction(
"isNotIn",
new ValueListFunction() {
@Override
public Boolean evaluate(FieldValue value, List<FieldValue> values) {
return !value.equalsAnyValue(values);
}
});
}
static {
putFunction(
"if",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
if ((values.size() < 2 || values.size() > 3)) {
throw new EvaluationException();
}
FieldValue flag = values.get(0);
if (flag == null) {
throw new EvaluationException();
} // End if
if (flag.asBoolean()) {
FieldValue trueValue = values.get(1);
// "The THEN part is required"
if (trueValue == null) {
throw new EvaluationException();
}
return trueValue;
} else {
FieldValue falseValue = (values.size() > 2 ? values.get(2) : null);
// "The ELSE part is optional. If the ELSE part is absent then a missing value is
// returned"
if (falseValue == null) {
return null;
}
return falseValue;
}
}
});
}
public abstract static class StringFunction implements Function {
public abstract String evaluate(String value);
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 1);
FieldValue value = values.get(0);
String result = evaluate(value.asString());
return FieldValueUtil.create(result);
}
}
static {
putFunction(
"uppercase",
new StringFunction() {
@Override
public String evaluate(String value) {
return value.toUpperCase();
}
});
putFunction(
"lowercase",
new StringFunction() {
@Override
public String evaluate(String value) {
return value.toLowerCase();
}
});
putFunction(
"substring",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 3);
String string = (values.get(0)).asString();
int position = (values.get(1)).asInteger();
int length = (values.get(2)).asInteger();
// "The first character of a string is located at position 1 (not position 0)"
if (position <= 0 || length < 0) {
throw new EvaluationException();
}
String result = string.substring(position - 1, (position + length) - 1);
return FieldValueUtil.create(result);
}
});
putFunction(
"trimBlanks",
new StringFunction() {
@Override
public String evaluate(String value) {
return value.trim();
}
});
}
static {
putFunction(
"formatNumber",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 2);
FieldValue value = values.get(0);
FieldValue pattern = values.get(1);
String result;
// According to the java.util.Formatter javadoc, Java formatting is more strict than C's
// printf formatting.
// For example, in Java, if a conversion is incompatible with a flag, an exception will
// be thrown. In C's printf, inapplicable flags are silently ignored.
try {
result = String.format(pattern.asString(), value.asNumber());
} catch (IllegalFormatException ife) {
throw ife;
}
return FieldValueUtil.create(result);
}
});
putFunction(
"formatDatetime",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 2);
FieldValue value = values.get(0);
FieldValue pattern = values.get(1);
String result;
try {
result =
String.format(
translatePattern(pattern.asString()), (value.asDateTime()).toDate());
} catch (IllegalFormatException ife) {
throw ife;
}
return FieldValueUtil.create(result);
}
private String translatePattern(String pattern) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < pattern.length(); i++) {
char c = pattern.charAt(i);
sb.append(c);
if (c == '%') {
// Every %[conversion] has to become %1$t[conversion]
// Here, "1$" denotes the first argument, and "t" denotes the prefix for date and
// time conversion characters
if (i < (pattern.length() - 1) && pattern.charAt(i + 1) != '%') {
sb.append("1$t");
}
}
}
return sb.toString();
}
});
}
static {
putFunction(
"dateDaysSinceYear",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 2);
LocalDate instant = (values.get(0)).asLocalDate();
int year = (values.get(1)).asInteger();
DaysSinceDate period = new DaysSinceDate(year, instant);
return FieldValueUtil.create(period.intValue());
}
});
putFunction(
"dateSecondsSinceMidnight",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 1);
LocalTime instant = (values.get(0)).asLocalTime();
Seconds seconds =
Seconds.seconds(
instant.getHourOfDay() * 60 * 60
+ instant.getMinuteOfHour() * 60
+ instant.getSecondOfMinute());
SecondsSinceMidnight period = new SecondsSinceMidnight(seconds);
return FieldValueUtil.create(period.intValue());
}
});
putFunction(
"dateSecondsSinceYear",
new Function() {
@Override
public FieldValue evaluate(List<FieldValue> values) {
checkArguments(values, 2);
LocalDateTime instant = (values.get(0)).asLocalDateTime();
int year = (values.get(1)).asInteger();
SecondsSinceDate period = new SecondsSinceDate(year, instant);
return FieldValueUtil.create(period.intValue());
}
});
}
}