| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| <@pp.dropOutputFile /> |
| <#list vv.types as type> |
| <#list type.minor as minor> |
| |
| <#assign className = "Nullable${minor.class}Vector" /> |
| <#assign valuesName = "${minor.class}Vector" /> |
| <#assign friendlyType = (minor.friendlyType!minor.boxedType!type.boxedType) /> |
| |
| <@pp.changeOutputFile name="/org/apache/arrow/vector/${className}.java" /> |
| |
| <#include "/@includes/license.ftl" /> |
| |
| package org.apache.arrow.vector; |
| |
| <#include "/@includes/vv_imports.ftl" /> |
| |
| /** |
| * Nullable${minor.class} implements a vector of values which could be null. Elements in the vector |
| * are first checked against a fixed length vector of boolean values. Then the element is retrieved |
| * from the base class (if not null). |
| * |
| * NB: this class is automatically generated from ${.template_name} and ValueVectorTypes.tdd using FreeMarker. |
| */ |
| @SuppressWarnings("unused") |
| public final class ${className} extends BaseDataValueVector implements <#if type.major == "VarLen">VariableWidth<#else>FixedWidth</#if>Vector, NullableVector{ |
| private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(${className}.class); |
| |
| private final FieldReader reader = new Nullable${minor.class}ReaderImpl(Nullable${minor.class}Vector.this); |
| |
| private final MaterializedField bitsField = MaterializedField.create("$bits$", new MajorType(MinorType.UINT1, DataMode.REQUIRED)); |
| private final MaterializedField valuesField = MaterializedField.create("$values$", new MajorType(field.getType().getMinorType(), DataMode.REQUIRED, field.getPrecision(), field.getScale())); |
| |
| final UInt1Vector bits = new UInt1Vector(bitsField, allocator); |
| final ${valuesName} values = new ${minor.class}Vector(valuesField, allocator); |
| |
| private final Mutator mutator = new Mutator(); |
| private final Accessor accessor = new Accessor(); |
| |
| public ${className}(MaterializedField field, BufferAllocator allocator) { |
| super(field, allocator); |
| } |
| |
| @Override |
| public FieldReader getReader(){ |
| return reader; |
| } |
| |
| @Override |
| public int getValueCapacity(){ |
| return Math.min(bits.getValueCapacity(), values.getValueCapacity()); |
| } |
| |
| @Override |
| public ArrowBuf[] getBuffers(boolean clear) { |
| final ArrowBuf[] buffers = ObjectArrays.concat(bits.getBuffers(false), values.getBuffers(false), ArrowBuf.class); |
| if (clear) { |
| for (final ArrowBuf buffer:buffers) { |
| buffer.retain(1); |
| } |
| clear(); |
| } |
| return buffers; |
| } |
| |
| @Override |
| public void close() { |
| bits.close(); |
| values.close(); |
| super.close(); |
| } |
| |
| @Override |
| public void clear() { |
| bits.clear(); |
| values.clear(); |
| super.clear(); |
| } |
| |
| @Override |
| public int getBufferSize(){ |
| return values.getBufferSize() + bits.getBufferSize(); |
| } |
| |
| @Override |
| public int getBufferSizeFor(final int valueCount) { |
| if (valueCount == 0) { |
| return 0; |
| } |
| |
| return values.getBufferSizeFor(valueCount) |
| + bits.getBufferSizeFor(valueCount); |
| } |
| |
| @Override |
| public ArrowBuf getBuffer() { |
| return values.getBuffer(); |
| } |
| |
| @Override |
| public ${valuesName} getValuesVector() { |
| return values; |
| } |
| |
| @Override |
| public void setInitialCapacity(int numRecords) { |
| bits.setInitialCapacity(numRecords); |
| values.setInitialCapacity(numRecords); |
| } |
| |
| // @Override |
| // public SerializedField.Builder getMetadataBuilder() { |
| // return super.getMetadataBuilder() |
| // .addChild(bits.getMetadata()) |
| // .addChild(values.getMetadata()); |
| // } |
| |
| @Override |
| public void allocateNew() { |
| if(!allocateNewSafe()){ |
| throw new OutOfMemoryException("Failure while allocating buffer."); |
| } |
| } |
| |
| @Override |
| public boolean allocateNewSafe() { |
| /* Boolean to keep track if all the memory allocations were successful |
| * Used in the case of composite vectors when we need to allocate multiple |
| * buffers for multiple vectors. If one of the allocations failed we need to |
| * clear all the memory that we allocated |
| */ |
| boolean success = false; |
| try { |
| success = values.allocateNewSafe() && bits.allocateNewSafe(); |
| } finally { |
| if (!success) { |
| clear(); |
| } |
| } |
| bits.zeroVector(); |
| mutator.reset(); |
| accessor.reset(); |
| return success; |
| } |
| |
| <#if type.major == "VarLen"> |
| @Override |
| public void allocateNew(int totalBytes, int valueCount) { |
| try { |
| values.allocateNew(totalBytes, valueCount); |
| bits.allocateNew(valueCount); |
| } catch(RuntimeException e) { |
| clear(); |
| throw e; |
| } |
| bits.zeroVector(); |
| mutator.reset(); |
| accessor.reset(); |
| } |
| |
| public void reset() { |
| bits.zeroVector(); |
| mutator.reset(); |
| accessor.reset(); |
| super.reset(); |
| } |
| |
| @Override |
| public int getByteCapacity(){ |
| return values.getByteCapacity(); |
| } |
| |
| @Override |
| public int getCurrentSizeInBytes(){ |
| return values.getCurrentSizeInBytes(); |
| } |
| |
| <#else> |
| @Override |
| public void allocateNew(int valueCount) { |
| try { |
| values.allocateNew(valueCount); |
| bits.allocateNew(valueCount+1); |
| } catch(OutOfMemoryException e) { |
| clear(); |
| throw e; |
| } |
| bits.zeroVector(); |
| mutator.reset(); |
| accessor.reset(); |
| } |
| |
| @Override |
| public void reset() { |
| bits.zeroVector(); |
| mutator.reset(); |
| accessor.reset(); |
| super.reset(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void zeroVector() { |
| bits.zeroVector(); |
| values.zeroVector(); |
| } |
| </#if> |
| |
| |
| // @Override |
| // public void load(SerializedField metadata, ArrowBuf buffer) { |
| // clear(); |
| // the bits vector is the first child (the order in which the children are added in getMetadataBuilder is significant) |
| // final SerializedField bitsField = metadata.getChild(0); |
| // bits.load(bitsField, buffer); |
| // |
| // final int capacity = buffer.capacity(); |
| // final int bitsLength = bitsField.getBufferLength(); |
| // final SerializedField valuesField = metadata.getChild(1); |
| // values.load(valuesField, buffer.slice(bitsLength, capacity - bitsLength)); |
| // } |
| |
| @Override |
| public TransferPair getTransferPair(BufferAllocator allocator){ |
| return new TransferImpl(getField(), allocator); |
| } |
| |
| @Override |
| public TransferPair getTransferPair(String ref, BufferAllocator allocator){ |
| return new TransferImpl(getField().withPath(ref), allocator); |
| } |
| |
| @Override |
| public TransferPair makeTransferPair(ValueVector to) { |
| return new TransferImpl((Nullable${minor.class}Vector) to); |
| } |
| |
| public void transferTo(Nullable${minor.class}Vector target){ |
| bits.transferTo(target.bits); |
| values.transferTo(target.values); |
| <#if type.major == "VarLen"> |
| target.mutator.lastSet = mutator.lastSet; |
| </#if> |
| clear(); |
| } |
| |
| public void splitAndTransferTo(int startIndex, int length, Nullable${minor.class}Vector target) { |
| bits.splitAndTransferTo(startIndex, length, target.bits); |
| values.splitAndTransferTo(startIndex, length, target.values); |
| <#if type.major == "VarLen"> |
| target.mutator.lastSet = length - 1; |
| </#if> |
| } |
| |
| private class TransferImpl implements TransferPair { |
| Nullable${minor.class}Vector to; |
| |
| public TransferImpl(MaterializedField field, BufferAllocator allocator){ |
| to = new Nullable${minor.class}Vector(field, allocator); |
| } |
| |
| public TransferImpl(Nullable${minor.class}Vector to){ |
| this.to = to; |
| } |
| |
| @Override |
| public Nullable${minor.class}Vector getTo(){ |
| return to; |
| } |
| |
| @Override |
| public void transfer(){ |
| transferTo(to); |
| } |
| |
| @Override |
| public void splitAndTransfer(int startIndex, int length) { |
| splitAndTransferTo(startIndex, length, to); |
| } |
| |
| @Override |
| public void copyValueSafe(int fromIndex, int toIndex) { |
| to.copyFromSafe(fromIndex, toIndex, Nullable${minor.class}Vector.this); |
| } |
| } |
| |
| @Override |
| public Accessor getAccessor(){ |
| return accessor; |
| } |
| |
| @Override |
| public Mutator getMutator(){ |
| return mutator; |
| } |
| |
| public ${minor.class}Vector convertToRequiredVector(){ |
| ${minor.class}Vector v = new ${minor.class}Vector(getField().getOtherNullableVersion(), allocator); |
| if (v.data != null) { |
| v.data.release(1); |
| } |
| v.data = values.data; |
| v.data.retain(1); |
| clear(); |
| return v; |
| } |
| |
| public void copyFrom(int fromIndex, int thisIndex, Nullable${minor.class}Vector from){ |
| final Accessor fromAccessor = from.getAccessor(); |
| if (!fromAccessor.isNull(fromIndex)) { |
| mutator.set(thisIndex, fromAccessor.get(fromIndex)); |
| } |
| } |
| |
| public void copyFromSafe(int fromIndex, int thisIndex, ${minor.class}Vector from){ |
| <#if type.major == "VarLen"> |
| mutator.fillEmpties(thisIndex); |
| </#if> |
| values.copyFromSafe(fromIndex, thisIndex, from); |
| bits.getMutator().setSafe(thisIndex, 1); |
| } |
| |
| public void copyFromSafe(int fromIndex, int thisIndex, Nullable${minor.class}Vector from){ |
| <#if type.major == "VarLen"> |
| mutator.fillEmpties(thisIndex); |
| </#if> |
| bits.copyFromSafe(fromIndex, thisIndex, from.bits); |
| values.copyFromSafe(fromIndex, thisIndex, from.values); |
| } |
| |
| public final class Accessor extends BaseDataValueVector.BaseAccessor <#if type.major = "VarLen">implements VariableWidthVector.VariableWidthAccessor</#if> { |
| final UInt1Vector.Accessor bAccessor = bits.getAccessor(); |
| final ${valuesName}.Accessor vAccessor = values.getAccessor(); |
| |
| /** |
| * Get the element at the specified position. |
| * |
| * @param index position of the value |
| * @return value of the element, if not null |
| * @throws NullValueException if the value is null |
| */ |
| public <#if type.major == "VarLen">byte[]<#else>${minor.javaType!type.javaType}</#if> get(int index) { |
| if (isNull(index)) { |
| throw new IllegalStateException("Can't get a null value"); |
| } |
| return vAccessor.get(index); |
| } |
| |
| @Override |
| public boolean isNull(int index) { |
| return isSet(index) == 0; |
| } |
| |
| public int isSet(int index){ |
| return bAccessor.get(index); |
| } |
| |
| <#if type.major == "VarLen"> |
| public long getStartEnd(int index){ |
| return vAccessor.getStartEnd(index); |
| } |
| |
| @Override |
| public int getValueLength(int index) { |
| return values.getAccessor().getValueLength(index); |
| } |
| </#if> |
| |
| public void get(int index, Nullable${minor.class}Holder holder){ |
| vAccessor.get(index, holder); |
| holder.isSet = bAccessor.get(index); |
| |
| <#if minor.class.startsWith("Decimal")> |
| holder.scale = getField().getScale(); |
| holder.precision = getField().getPrecision(); |
| </#if> |
| } |
| |
| @Override |
| public ${friendlyType} getObject(int index) { |
| if (isNull(index)) { |
| return null; |
| }else{ |
| return vAccessor.getObject(index); |
| } |
| } |
| |
| <#if minor.class == "Interval" || minor.class == "IntervalDay" || minor.class == "IntervalYear"> |
| public StringBuilder getAsStringBuilder(int index) { |
| if (isNull(index)) { |
| return null; |
| }else{ |
| return vAccessor.getAsStringBuilder(index); |
| } |
| } |
| </#if> |
| |
| @Override |
| public int getValueCount(){ |
| return bits.getAccessor().getValueCount(); |
| } |
| |
| public void reset(){} |
| } |
| |
| public final class Mutator extends BaseDataValueVector.BaseMutator implements NullableVectorDefinitionSetter<#if type.major = "VarLen">, VariableWidthVector.VariableWidthMutator</#if> { |
| private int setCount; |
| <#if type.major = "VarLen"> private int lastSet = -1;</#if> |
| |
| private Mutator(){ |
| } |
| |
| public ${valuesName} getVectorWithValues(){ |
| return values; |
| } |
| |
| @Override |
| public void setIndexDefined(int index){ |
| bits.getMutator().set(index, 1); |
| } |
| |
| /** |
| * Set the variable length element at the specified index to the supplied byte array. |
| * |
| * @param index position of the bit to set |
| * @param bytes array of bytes to write |
| */ |
| public void set(int index, <#if type.major == "VarLen">byte[]<#elseif (type.width < 4)>int<#else>${minor.javaType!type.javaType}</#if> value) { |
| setCount++; |
| final ${valuesName}.Mutator valuesMutator = values.getMutator(); |
| final UInt1Vector.Mutator bitsMutator = bits.getMutator(); |
| <#if type.major == "VarLen"> |
| for (int i = lastSet + 1; i < index; i++) { |
| valuesMutator.set(i, emptyByteArray); |
| } |
| </#if> |
| bitsMutator.set(index, 1); |
| valuesMutator.set(index, value); |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| } |
| |
| <#if type.major == "VarLen"> |
| |
| private void fillEmpties(int index){ |
| final ${valuesName}.Mutator valuesMutator = values.getMutator(); |
| for (int i = lastSet; i < index; i++) { |
| valuesMutator.setSafe(i + 1, emptyByteArray); |
| } |
| while(index > bits.getValueCapacity()) { |
| bits.reAlloc(); |
| } |
| lastSet = index; |
| } |
| |
| @Override |
| public void setValueLengthSafe(int index, int length) { |
| values.getMutator().setValueLengthSafe(index, length); |
| lastSet = index; |
| } |
| </#if> |
| |
| public void setSafe(int index, byte[] value, int start, int length) { |
| <#if type.major != "VarLen"> |
| throw new UnsupportedOperationException(); |
| <#else> |
| fillEmpties(index); |
| |
| bits.getMutator().setSafe(index, 1); |
| values.getMutator().setSafe(index, value, start, length); |
| setCount++; |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| </#if> |
| } |
| |
| public void setSafe(int index, ByteBuffer value, int start, int length) { |
| <#if type.major != "VarLen"> |
| throw new UnsupportedOperationException(); |
| <#else> |
| fillEmpties(index); |
| |
| bits.getMutator().setSafe(index, 1); |
| values.getMutator().setSafe(index, value, start, length); |
| setCount++; |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| </#if> |
| } |
| |
| public void setNull(int index){ |
| bits.getMutator().setSafe(index, 0); |
| } |
| |
| public void setSkipNull(int index, ${minor.class}Holder holder){ |
| values.getMutator().set(index, holder); |
| } |
| |
| public void setSkipNull(int index, Nullable${minor.class}Holder holder){ |
| values.getMutator().set(index, holder); |
| } |
| |
| |
| public void set(int index, Nullable${minor.class}Holder holder){ |
| final ${valuesName}.Mutator valuesMutator = values.getMutator(); |
| <#if type.major == "VarLen"> |
| for (int i = lastSet + 1; i < index; i++) { |
| valuesMutator.set(i, emptyByteArray); |
| } |
| </#if> |
| bits.getMutator().set(index, holder.isSet); |
| valuesMutator.set(index, holder); |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| } |
| |
| public void set(int index, ${minor.class}Holder holder){ |
| final ${valuesName}.Mutator valuesMutator = values.getMutator(); |
| <#if type.major == "VarLen"> |
| for (int i = lastSet + 1; i < index; i++) { |
| valuesMutator.set(i, emptyByteArray); |
| } |
| </#if> |
| bits.getMutator().set(index, 1); |
| valuesMutator.set(index, holder); |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| } |
| |
| public boolean isSafe(int outIndex) { |
| return outIndex < Nullable${minor.class}Vector.this.getValueCapacity(); |
| } |
| |
| <#assign fields = minor.fields!type.fields /> |
| public void set(int index, int isSet<#list fields as field><#if field.include!true >, ${field.type} ${field.name}Field</#if></#list> ){ |
| final ${valuesName}.Mutator valuesMutator = values.getMutator(); |
| <#if type.major == "VarLen"> |
| for (int i = lastSet + 1; i < index; i++) { |
| valuesMutator.set(i, emptyByteArray); |
| } |
| </#if> |
| bits.getMutator().set(index, isSet); |
| valuesMutator.set(index<#list fields as field><#if field.include!true >, ${field.name}Field</#if></#list>); |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| } |
| |
| public void setSafe(int index, int isSet<#list fields as field><#if field.include!true >, ${field.type} ${field.name}Field</#if></#list> ) { |
| <#if type.major == "VarLen"> |
| fillEmpties(index); |
| </#if> |
| |
| bits.getMutator().setSafe(index, isSet); |
| values.getMutator().setSafe(index<#list fields as field><#if field.include!true >, ${field.name}Field</#if></#list>); |
| setCount++; |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| } |
| |
| |
| public void setSafe(int index, Nullable${minor.class}Holder value) { |
| |
| <#if type.major == "VarLen"> |
| fillEmpties(index); |
| </#if> |
| bits.getMutator().setSafe(index, value.isSet); |
| values.getMutator().setSafe(index, value); |
| setCount++; |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| } |
| |
| public void setSafe(int index, ${minor.class}Holder value) { |
| |
| <#if type.major == "VarLen"> |
| fillEmpties(index); |
| </#if> |
| bits.getMutator().setSafe(index, 1); |
| values.getMutator().setSafe(index, value); |
| setCount++; |
| <#if type.major == "VarLen">lastSet = index;</#if> |
| } |
| |
| <#if !(type.major == "VarLen" || minor.class == "Decimal28Sparse" || minor.class == "Decimal38Sparse" || minor.class == "Decimal28Dense" || minor.class == "Decimal38Dense" || minor.class == "Interval" || minor.class == "IntervalDay")> |
| public void setSafe(int index, ${minor.javaType!type.javaType} value) { |
| <#if type.major == "VarLen"> |
| fillEmpties(index); |
| </#if> |
| bits.getMutator().setSafe(index, 1); |
| values.getMutator().setSafe(index, value); |
| setCount++; |
| } |
| |
| </#if> |
| |
| @Override |
| public void setValueCount(int valueCount) { |
| assert valueCount >= 0; |
| <#if type.major == "VarLen"> |
| fillEmpties(valueCount); |
| </#if> |
| values.getMutator().setValueCount(valueCount); |
| bits.getMutator().setValueCount(valueCount); |
| } |
| |
| @Override |
| public void generateTestData(int valueCount){ |
| bits.getMutator().generateTestDataAlt(valueCount); |
| values.getMutator().generateTestData(valueCount); |
| <#if type.major = "VarLen">lastSet = valueCount;</#if> |
| setValueCount(valueCount); |
| } |
| |
| @Override |
| public void reset(){ |
| setCount = 0; |
| <#if type.major = "VarLen">lastSet = -1;</#if> |
| } |
| } |
| } |
| </#list> |
| </#list> |