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package graphql.language;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import graphql.Internal;
import graphql.PublicApi;
import graphql.collect.ImmutableKit;
import graphql.util.TraversalControl;
import graphql.util.TraverserContext;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.function.Consumer;
import static com.google.common.collect.ImmutableMap.copyOf;
import static graphql.Assert.assertNotNull;
import static graphql.collect.ImmutableKit.addToMap;
import static graphql.collect.ImmutableKit.emptyList;
import static graphql.collect.ImmutableKit.emptyMap;
/*
* This is provided to a DataFetcher, therefore it is a public API.
* This might change in the future.
*/
@PublicApi
public class Field extends AbstractNode<Field> implements Selection<Field>, SelectionSetContainer<Field>, DirectivesContainer<Field>, NamedNode<Field> {
private final String name;
private final String alias;
private final ImmutableList<Argument> arguments;
private final ImmutableList<Directive> directives;
private final SelectionSet selectionSet;
public static final String CHILD_ARGUMENTS = "arguments";
public static final String CHILD_DIRECTIVES = "directives";
public static final String CHILD_SELECTION_SET = "selectionSet";
@Internal
protected Field(String name,
String alias,
List<Argument> arguments,
List<Directive> directives,
SelectionSet selectionSet,
SourceLocation sourceLocation,
List<Comment> comments,
IgnoredChars ignoredChars,
Map<String, String> additionalData) {
super(sourceLocation, comments, ignoredChars, additionalData);
this.name = name;
this.alias = alias;
this.arguments = ImmutableList.copyOf(arguments);
this.directives = ImmutableList.copyOf(directives);
this.selectionSet = selectionSet;
}
/**
* alternative to using a Builder for convenience
*
* @param name of the field
*/
public Field(String name) {
this(name, null, emptyList(), emptyList(), null, null, emptyList(), IgnoredChars.EMPTY, emptyMap());
}
/**
* alternative to using a Builder for convenience
*
* @param name of the field
* @param arguments to the field
*/
public Field(String name, List<Argument> arguments) {
this(name, null, arguments, emptyList(), null, null, emptyList(), IgnoredChars.EMPTY, emptyMap());
}
/**
* alternative to using a Builder for convenience
*
* @param name of the field
* @param arguments to the field
* @param selectionSet of the field
*/
public Field(String name, List<Argument> arguments, SelectionSet selectionSet) {
this(name, null, arguments, emptyList(), selectionSet, null, emptyList(), IgnoredChars.EMPTY, emptyMap());
}
/**
* alternative to using a Builder for convenience
*
* @param name of the field
* @param selectionSet of the field
*/
public Field(String name, SelectionSet selectionSet) {
this(name, null, emptyList(), emptyList(), selectionSet, null, emptyList(), IgnoredChars.EMPTY, emptyMap());
}
@Override
public List<Node> getChildren() {
List<Node> result = new ArrayList<>();
result.addAll(arguments);
result.addAll(directives);
if (selectionSet != null) {
result.add(selectionSet);
}
return result;
}
@Override
public NodeChildrenContainer getNamedChildren() {
return NodeChildrenContainer.newNodeChildrenContainer()
.children(CHILD_ARGUMENTS, arguments)
.children(CHILD_DIRECTIVES, directives)
.child(CHILD_SELECTION_SET, selectionSet)
.build();
}
@Override
public Field withNewChildren(NodeChildrenContainer newChildren) {
return transform(builder ->
builder.arguments(newChildren.getChildren(CHILD_ARGUMENTS))
.directives(newChildren.getChildren(CHILD_DIRECTIVES))
.selectionSet(newChildren.getChildOrNull(CHILD_SELECTION_SET))
);
}
@Override
public String getName() {
return name;
}
public String getAlias() {
return alias;
}
public List<Argument> getArguments() {
return arguments;
}
@Override
public List<Directive> getDirectives() {
return directives;
}
@Override
public SelectionSet getSelectionSet() {
return selectionSet;
}
@Override
public boolean isEqualTo(Node o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Field that = (Field) o;
return Objects.equals(this.name, that.name) && Objects.equals(this.alias, that.alias);
}
@Override
public Field deepCopy() {
return new Field(name,
alias,
deepCopy(arguments),
deepCopy(directives),
deepCopy(selectionSet),
getSourceLocation(),
getComments(),
getIgnoredChars(),
getAdditionalData()
);
}
@Override
public String toString() {
return "Field{" +
"name='" + name + '\'' +
", alias='" + alias + '\'' +
", arguments=" + arguments +
", directives=" + directives +
", selectionSet=" + selectionSet +
'}';
}
@Override
public TraversalControl accept(TraverserContext<Node> context, NodeVisitor visitor) {
return visitor.visitField(this, context);
}
public static Builder newField() {
return new Builder();
}
public static Builder newField(String name) {
return new Builder().name(name);
}
public static Builder newField(String name, SelectionSet selectionSet) {
return new Builder().name(name).selectionSet(selectionSet);
}
public Field transform(Consumer<Builder> builderConsumer) {
Builder builder = new Builder(this);
builderConsumer.accept(builder);
return builder.build();
}
public static final class Builder implements NodeDirectivesBuilder {
private SourceLocation sourceLocation;
private ImmutableList<Comment> comments = emptyList();
private String name;
private String alias;
private ImmutableList<Argument> arguments = emptyList();
private ImmutableList<Directive> directives = emptyList();
private SelectionSet selectionSet;
private IgnoredChars ignoredChars = IgnoredChars.EMPTY;
private ImmutableMap<String, String> additionalData = emptyMap();
private Builder() {
}
private Builder(Field existing) {
this.sourceLocation = existing.getSourceLocation();
this.comments = ImmutableList.copyOf(existing.getComments());
this.name = existing.getName();
this.alias = existing.getAlias();
this.arguments = ImmutableList.copyOf(existing.getArguments());
this.directives = ImmutableList.copyOf(existing.getDirectives());
this.selectionSet = existing.getSelectionSet();
this.ignoredChars = existing.getIgnoredChars();
this.additionalData = copyOf(existing.getAdditionalData());
}
public Builder sourceLocation(SourceLocation sourceLocation) {
this.sourceLocation = sourceLocation;
return this;
}
public Builder comments(List<Comment> comments) {
this.comments = ImmutableList.copyOf(comments);
return this;
}
public Builder name(String name) {
this.name = name;
return this;
}
public Builder alias(String alias) {
this.alias = alias;
return this;
}
public Builder arguments(List<Argument> arguments) {
this.arguments = ImmutableList.copyOf(arguments);
return this;
}
@Override
public Builder directives(List<Directive> directives) {
this.directives = ImmutableList.copyOf(directives);
return this;
}
public Builder directive(Directive directive) {
this.directives = ImmutableKit.addToList(directives, directive);
return this;
}
public Builder selectionSet(SelectionSet selectionSet) {
this.selectionSet = selectionSet;
return this;
}
public Builder ignoredChars(IgnoredChars ignoredChars) {
this.ignoredChars = ignoredChars;
return this;
}
public Builder additionalData(Map<String, String> additionalData) {
this.additionalData = ImmutableMap.copyOf(assertNotNull(additionalData));
return this;
}
public Builder additionalData(String key, String value) {
this.additionalData = addToMap(this.additionalData, key, value);
return this;
}
public Field build() {
return new Field(name, alias, arguments, directives, selectionSet, sourceLocation, comments, ignoredChars, additionalData);
}
}
}
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