com.google.ortools.constraintsolver.LocalSearchMetaheuristic Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of google-or-tools Show documentation
Show all versions of google-or-tools Show documentation
A project to publish Google OR-Tools as a dependable dependency in Maven.
The newest version!
// Generated by the protocol buffer compiler. DO NOT EDIT!
// source: ortools/constraint_solver/routing_enums.proto
package com.google.ortools.constraintsolver;
/**
*
* Local search metaheuristics used to guide the search. Apart from greedy
* descent, they will try to escape local minima.
*
*
* Protobuf type {@code operations_research.LocalSearchMetaheuristic}
*/
public final class LocalSearchMetaheuristic extends
com.google.protobuf.GeneratedMessageV3 implements
// @@protoc_insertion_point(message_implements:operations_research.LocalSearchMetaheuristic)
LocalSearchMetaheuristicOrBuilder {
private static final long serialVersionUID = 0L;
// Use LocalSearchMetaheuristic.newBuilder() to construct.
private LocalSearchMetaheuristic(com.google.protobuf.GeneratedMessageV3.Builder> builder) {
super(builder);
}
private LocalSearchMetaheuristic() {
}
@java.lang.Override
public final com.google.protobuf.UnknownFieldSet
getUnknownFields() {
return this.unknownFields;
}
private LocalSearchMetaheuristic(
com.google.protobuf.CodedInputStream input,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws com.google.protobuf.InvalidProtocolBufferException {
this();
if (extensionRegistry == null) {
throw new java.lang.NullPointerException();
}
com.google.protobuf.UnknownFieldSet.Builder unknownFields =
com.google.protobuf.UnknownFieldSet.newBuilder();
try {
boolean done = false;
while (!done) {
int tag = input.readTag();
switch (tag) {
case 0:
done = true;
break;
default: {
if (!parseUnknownFieldProto3(
input, unknownFields, extensionRegistry, tag)) {
done = true;
}
break;
}
}
}
} catch (com.google.protobuf.InvalidProtocolBufferException e) {
throw e.setUnfinishedMessage(this);
} catch (java.io.IOException e) {
throw new com.google.protobuf.InvalidProtocolBufferException(
e).setUnfinishedMessage(this);
} finally {
this.unknownFields = unknownFields.build();
makeExtensionsImmutable();
}
}
public static final com.google.protobuf.Descriptors.Descriptor
getDescriptor() {
return com.google.ortools.constraintsolver.RoutingEnums.internal_static_operations_research_LocalSearchMetaheuristic_descriptor;
}
protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
internalGetFieldAccessorTable() {
return com.google.ortools.constraintsolver.RoutingEnums.internal_static_operations_research_LocalSearchMetaheuristic_fieldAccessorTable
.ensureFieldAccessorsInitialized(
com.google.ortools.constraintsolver.LocalSearchMetaheuristic.class, com.google.ortools.constraintsolver.LocalSearchMetaheuristic.Builder.class);
}
/**
* Protobuf enum {@code operations_research.LocalSearchMetaheuristic.Value}
*/
public enum Value
implements com.google.protobuf.ProtocolMessageEnum {
/**
*
* Lets the solver select the metaheuristic.
*
*
* AUTOMATIC = 0;
*/
AUTOMATIC(0),
/**
*
* Accepts improving (cost-reducing) local search neighbors until a local
* minimum is reached.
*
*
* GREEDY_DESCENT = 1;
*/
GREEDY_DESCENT(1),
/**
*
* Uses guided local search to escape local minima
* (cf. http://en.wikipedia.org/wiki/Guided_Local_Search); this is generally
* the most efficient metaheuristic for vehicle routing.
*
*
* GUIDED_LOCAL_SEARCH = 2;
*/
GUIDED_LOCAL_SEARCH(2),
/**
*
* Uses simulated annealing to escape local minima
* (cf. http://en.wikipedia.org/wiki/Simulated_annealing).
*
*
* SIMULATED_ANNEALING = 3;
*/
SIMULATED_ANNEALING(3),
/**
*
* Uses tabu search to escape local minima
* (cf. http://en.wikipedia.org/wiki/Tabu_search).
*
*
* TABU_SEARCH = 4;
*/
TABU_SEARCH(4),
/**
*
* Uses tabu search on the objective value of solution to escape local
* minima
*
*
* OBJECTIVE_TABU_SEARCH = 5;
*/
OBJECTIVE_TABU_SEARCH(5),
UNRECOGNIZED(-1),
;
/**
*
* Lets the solver select the metaheuristic.
*
*
* AUTOMATIC = 0;
*/
public static final int AUTOMATIC_VALUE = 0;
/**
*
* Accepts improving (cost-reducing) local search neighbors until a local
* minimum is reached.
*
*
* GREEDY_DESCENT = 1;
*/
public static final int GREEDY_DESCENT_VALUE = 1;
/**
*
* Uses guided local search to escape local minima
* (cf. http://en.wikipedia.org/wiki/Guided_Local_Search); this is generally
* the most efficient metaheuristic for vehicle routing.
*
*
* GUIDED_LOCAL_SEARCH = 2;
*/
public static final int GUIDED_LOCAL_SEARCH_VALUE = 2;
/**
*
* Uses simulated annealing to escape local minima
* (cf. http://en.wikipedia.org/wiki/Simulated_annealing).
*
*
* SIMULATED_ANNEALING = 3;
*/
public static final int SIMULATED_ANNEALING_VALUE = 3;
/**
*
* Uses tabu search to escape local minima
* (cf. http://en.wikipedia.org/wiki/Tabu_search).
*
*
* TABU_SEARCH = 4;
*/
public static final int TABU_SEARCH_VALUE = 4;
/**
*
* Uses tabu search on the objective value of solution to escape local
* minima
*
*
* OBJECTIVE_TABU_SEARCH = 5;
*/
public static final int OBJECTIVE_TABU_SEARCH_VALUE = 5;
public final int getNumber() {
if (this == UNRECOGNIZED) {
throw new java.lang.IllegalArgumentException(
"Can't get the number of an unknown enum value.");
}
return value;
}
/**
* @deprecated Use {@link #forNumber(int)} instead.
*/
@java.lang.Deprecated
public static Value valueOf(int value) {
return forNumber(value);
}
public static Value forNumber(int value) {
switch (value) {
case 0: return AUTOMATIC;
case 1: return GREEDY_DESCENT;
case 2: return GUIDED_LOCAL_SEARCH;
case 3: return SIMULATED_ANNEALING;
case 4: return TABU_SEARCH;
case 5: return OBJECTIVE_TABU_SEARCH;
default: return null;
}
}
public static com.google.protobuf.Internal.EnumLiteMap
internalGetValueMap() {
return internalValueMap;
}
private static final com.google.protobuf.Internal.EnumLiteMap<
Value> internalValueMap =
new com.google.protobuf.Internal.EnumLiteMap() {
public Value findValueByNumber(int number) {
return Value.forNumber(number);
}
};
public final com.google.protobuf.Descriptors.EnumValueDescriptor
getValueDescriptor() {
return getDescriptor().getValues().get(ordinal());
}
public final com.google.protobuf.Descriptors.EnumDescriptor
getDescriptorForType() {
return getDescriptor();
}
public static final com.google.protobuf.Descriptors.EnumDescriptor
getDescriptor() {
return com.google.ortools.constraintsolver.LocalSearchMetaheuristic.getDescriptor().getEnumTypes().get(0);
}
private static final Value[] VALUES = values();
public static Value valueOf(
com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
if (desc.getType() != getDescriptor()) {
throw new java.lang.IllegalArgumentException(
"EnumValueDescriptor is not for this type.");
}
if (desc.getIndex() == -1) {
return UNRECOGNIZED;
}
return VALUES[desc.getIndex()];
}
private final int value;
private Value(int value) {
this.value = value;
}
// @@protoc_insertion_point(enum_scope:operations_research.LocalSearchMetaheuristic.Value)
}
private byte memoizedIsInitialized = -1;
public final boolean isInitialized() {
byte isInitialized = memoizedIsInitialized;
if (isInitialized == 1) return true;
if (isInitialized == 0) return false;
memoizedIsInitialized = 1;
return true;
}
public void writeTo(com.google.protobuf.CodedOutputStream output)
throws java.io.IOException {
unknownFields.writeTo(output);
}
public int getSerializedSize() {
int size = memoizedSize;
if (size != -1) return size;
size = 0;
size += unknownFields.getSerializedSize();
memoizedSize = size;
return size;
}
@java.lang.Override
public boolean equals(final java.lang.Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof com.google.ortools.constraintsolver.LocalSearchMetaheuristic)) {
return super.equals(obj);
}
com.google.ortools.constraintsolver.LocalSearchMetaheuristic other = (com.google.ortools.constraintsolver.LocalSearchMetaheuristic) obj;
boolean result = true;
result = result && unknownFields.equals(other.unknownFields);
return result;
}
@java.lang.Override
public int hashCode() {
if (memoizedHashCode != 0) {
return memoizedHashCode;
}
int hash = 41;
hash = (19 * hash) + getDescriptor().hashCode();
hash = (29 * hash) + unknownFields.hashCode();
memoizedHashCode = hash;
return hash;
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(
java.nio.ByteBuffer data)
throws com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(
java.nio.ByteBuffer data,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(
com.google.protobuf.ByteString data)
throws com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(
com.google.protobuf.ByteString data,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(byte[] data)
throws com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(
byte[] data,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws com.google.protobuf.InvalidProtocolBufferException {
return PARSER.parseFrom(data, extensionRegistry);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(java.io.InputStream input)
throws java.io.IOException {
return com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(
java.io.InputStream input,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input, extensionRegistry);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseDelimitedFrom(java.io.InputStream input)
throws java.io.IOException {
return com.google.protobuf.GeneratedMessageV3
.parseDelimitedWithIOException(PARSER, input);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseDelimitedFrom(
java.io.InputStream input,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return com.google.protobuf.GeneratedMessageV3
.parseDelimitedWithIOException(PARSER, input, extensionRegistry);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(
com.google.protobuf.CodedInputStream input)
throws java.io.IOException {
return com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input);
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic parseFrom(
com.google.protobuf.CodedInputStream input,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
return com.google.protobuf.GeneratedMessageV3
.parseWithIOException(PARSER, input, extensionRegistry);
}
public Builder newBuilderForType() { return newBuilder(); }
public static Builder newBuilder() {
return DEFAULT_INSTANCE.toBuilder();
}
public static Builder newBuilder(com.google.ortools.constraintsolver.LocalSearchMetaheuristic prototype) {
return DEFAULT_INSTANCE.toBuilder().mergeFrom(prototype);
}
public Builder toBuilder() {
return this == DEFAULT_INSTANCE
? new Builder() : new Builder().mergeFrom(this);
}
@java.lang.Override
protected Builder newBuilderForType(
com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
Builder builder = new Builder(parent);
return builder;
}
/**
*
* Local search metaheuristics used to guide the search. Apart from greedy
* descent, they will try to escape local minima.
*
*
* Protobuf type {@code operations_research.LocalSearchMetaheuristic}
*/
public static final class Builder extends
com.google.protobuf.GeneratedMessageV3.Builder implements
// @@protoc_insertion_point(builder_implements:operations_research.LocalSearchMetaheuristic)
com.google.ortools.constraintsolver.LocalSearchMetaheuristicOrBuilder {
public static final com.google.protobuf.Descriptors.Descriptor
getDescriptor() {
return com.google.ortools.constraintsolver.RoutingEnums.internal_static_operations_research_LocalSearchMetaheuristic_descriptor;
}
protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable
internalGetFieldAccessorTable() {
return com.google.ortools.constraintsolver.RoutingEnums.internal_static_operations_research_LocalSearchMetaheuristic_fieldAccessorTable
.ensureFieldAccessorsInitialized(
com.google.ortools.constraintsolver.LocalSearchMetaheuristic.class, com.google.ortools.constraintsolver.LocalSearchMetaheuristic.Builder.class);
}
// Construct using com.google.ortools.constraintsolver.LocalSearchMetaheuristic.newBuilder()
private Builder() {
maybeForceBuilderInitialization();
}
private Builder(
com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
super(parent);
maybeForceBuilderInitialization();
}
private void maybeForceBuilderInitialization() {
if (com.google.protobuf.GeneratedMessageV3
.alwaysUseFieldBuilders) {
}
}
public Builder clear() {
super.clear();
return this;
}
public com.google.protobuf.Descriptors.Descriptor
getDescriptorForType() {
return com.google.ortools.constraintsolver.RoutingEnums.internal_static_operations_research_LocalSearchMetaheuristic_descriptor;
}
public com.google.ortools.constraintsolver.LocalSearchMetaheuristic getDefaultInstanceForType() {
return com.google.ortools.constraintsolver.LocalSearchMetaheuristic.getDefaultInstance();
}
public com.google.ortools.constraintsolver.LocalSearchMetaheuristic build() {
com.google.ortools.constraintsolver.LocalSearchMetaheuristic result = buildPartial();
if (!result.isInitialized()) {
throw newUninitializedMessageException(result);
}
return result;
}
public com.google.ortools.constraintsolver.LocalSearchMetaheuristic buildPartial() {
com.google.ortools.constraintsolver.LocalSearchMetaheuristic result = new com.google.ortools.constraintsolver.LocalSearchMetaheuristic(this);
onBuilt();
return result;
}
public Builder clone() {
return (Builder) super.clone();
}
public Builder setField(
com.google.protobuf.Descriptors.FieldDescriptor field,
java.lang.Object value) {
return (Builder) super.setField(field, value);
}
public Builder clearField(
com.google.protobuf.Descriptors.FieldDescriptor field) {
return (Builder) super.clearField(field);
}
public Builder clearOneof(
com.google.protobuf.Descriptors.OneofDescriptor oneof) {
return (Builder) super.clearOneof(oneof);
}
public Builder setRepeatedField(
com.google.protobuf.Descriptors.FieldDescriptor field,
int index, java.lang.Object value) {
return (Builder) super.setRepeatedField(field, index, value);
}
public Builder addRepeatedField(
com.google.protobuf.Descriptors.FieldDescriptor field,
java.lang.Object value) {
return (Builder) super.addRepeatedField(field, value);
}
public Builder mergeFrom(com.google.protobuf.Message other) {
if (other instanceof com.google.ortools.constraintsolver.LocalSearchMetaheuristic) {
return mergeFrom((com.google.ortools.constraintsolver.LocalSearchMetaheuristic)other);
} else {
super.mergeFrom(other);
return this;
}
}
public Builder mergeFrom(com.google.ortools.constraintsolver.LocalSearchMetaheuristic other) {
if (other == com.google.ortools.constraintsolver.LocalSearchMetaheuristic.getDefaultInstance()) return this;
this.mergeUnknownFields(other.unknownFields);
onChanged();
return this;
}
public final boolean isInitialized() {
return true;
}
public Builder mergeFrom(
com.google.protobuf.CodedInputStream input,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws java.io.IOException {
com.google.ortools.constraintsolver.LocalSearchMetaheuristic parsedMessage = null;
try {
parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
} catch (com.google.protobuf.InvalidProtocolBufferException e) {
parsedMessage = (com.google.ortools.constraintsolver.LocalSearchMetaheuristic) e.getUnfinishedMessage();
throw e.unwrapIOException();
} finally {
if (parsedMessage != null) {
mergeFrom(parsedMessage);
}
}
return this;
}
public final Builder setUnknownFields(
final com.google.protobuf.UnknownFieldSet unknownFields) {
return super.setUnknownFieldsProto3(unknownFields);
}
public final Builder mergeUnknownFields(
final com.google.protobuf.UnknownFieldSet unknownFields) {
return super.mergeUnknownFields(unknownFields);
}
// @@protoc_insertion_point(builder_scope:operations_research.LocalSearchMetaheuristic)
}
// @@protoc_insertion_point(class_scope:operations_research.LocalSearchMetaheuristic)
private static final com.google.ortools.constraintsolver.LocalSearchMetaheuristic DEFAULT_INSTANCE;
static {
DEFAULT_INSTANCE = new com.google.ortools.constraintsolver.LocalSearchMetaheuristic();
}
public static com.google.ortools.constraintsolver.LocalSearchMetaheuristic getDefaultInstance() {
return DEFAULT_INSTANCE;
}
private static final com.google.protobuf.Parser
PARSER = new com.google.protobuf.AbstractParser() {
public LocalSearchMetaheuristic parsePartialFrom(
com.google.protobuf.CodedInputStream input,
com.google.protobuf.ExtensionRegistryLite extensionRegistry)
throws com.google.protobuf.InvalidProtocolBufferException {
return new LocalSearchMetaheuristic(input, extensionRegistry);
}
};
public static com.google.protobuf.Parser parser() {
return PARSER;
}
@java.lang.Override
public com.google.protobuf.Parser getParserForType() {
return PARSER;
}
public com.google.ortools.constraintsolver.LocalSearchMetaheuristic getDefaultInstanceForType() {
return DEFAULT_INSTANCE;
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy