io.stargate.db.schema.ImmutableColumnMappingMetadata Maven / Gradle / Ivy
package io.stargate.db.schema;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.io.ObjectStreamException;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.NotThreadSafe;
import org.immutables.value.Generated;
/**
* Immutable implementation of {@link ColumnMappingMetadata}.
*
* Use the builder to create immutable instances:
* {@code ImmutableColumnMappingMetadata.builder()}.
*/
@Generated(from = "ColumnMappingMetadata", generator = "Immutables")
@SuppressWarnings({"all"})
@SuppressFBWarnings
@ParametersAreNonnullByDefault
@javax.annotation.Generated("org.immutables.processor.ProxyProcessor")
@Immutable
public final class ImmutableColumnMappingMetadata extends ColumnMappingMetadata {
private final String vertexColumn;
private final String edgeColumn;
private final int hashCode;
private ImmutableColumnMappingMetadata(String vertexColumn, String edgeColumn) {
this.vertexColumn = vertexColumn;
this.edgeColumn = edgeColumn;
this.hashCode = computeHashCode();
}
/**
* @return The value of the {@code vertexColumn} attribute
*/
@Override
public String vertexColumn() {
return vertexColumn;
}
/**
* @return The value of the {@code edgeColumn} attribute
*/
@Override
public String edgeColumn() {
return edgeColumn;
}
/**
* Copy the current immutable object by setting a value for the {@link ColumnMappingMetadata#vertexColumn() vertexColumn} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for vertexColumn
* @return A modified copy of the {@code this} object
*/
public final ImmutableColumnMappingMetadata withVertexColumn(String value) {
String newValue = Objects.requireNonNull(value, "vertexColumn");
if (this.vertexColumn.equals(newValue)) return this;
return new ImmutableColumnMappingMetadata(newValue, this.edgeColumn);
}
/**
* Copy the current immutable object by setting a value for the {@link ColumnMappingMetadata#edgeColumn() edgeColumn} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for edgeColumn
* @return A modified copy of the {@code this} object
*/
public final ImmutableColumnMappingMetadata withEdgeColumn(String value) {
String newValue = Objects.requireNonNull(value, "edgeColumn");
if (this.edgeColumn.equals(newValue)) return this;
return new ImmutableColumnMappingMetadata(this.vertexColumn, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableColumnMappingMetadata} that have equal attribute values.
* @return {@code true} if {@code this} is equal to {@code another} instance
*/
@Override
public boolean equals(@Nullable Object another) {
if (this == another) return true;
return another instanceof ImmutableColumnMappingMetadata
&& equalTo((ImmutableColumnMappingMetadata) another);
}
private boolean equalTo(ImmutableColumnMappingMetadata another) {
if (hashCode != another.hashCode) return false;
return vertexColumn.equals(another.vertexColumn)
&& edgeColumn.equals(another.edgeColumn);
}
/**
* Returns a precomputed-on-construction hash code from attributes: {@code vertexColumn}, {@code edgeColumn}.
* @return hashCode value
*/
@Override
public int hashCode() {
return hashCode;
}
private int computeHashCode() {
int h = 5381;
h += (h << 5) + vertexColumn.hashCode();
h += (h << 5) + edgeColumn.hashCode();
return h;
}
/**
* Prints the immutable value {@code ColumnMappingMetadata} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return "ColumnMappingMetadata{"
+ "vertexColumn=" + vertexColumn
+ ", edgeColumn=" + edgeColumn
+ "}";
}
/**
* Creates an immutable copy of a {@link ColumnMappingMetadata} value.
* Uses accessors to get values to initialize the new immutable instance.
* If an instance is already immutable, it is returned as is.
* @param instance The instance to copy
* @return A copied immutable ColumnMappingMetadata instance
*/
public static ImmutableColumnMappingMetadata copyOf(ColumnMappingMetadata instance) {
if (instance instanceof ImmutableColumnMappingMetadata) {
return (ImmutableColumnMappingMetadata) instance;
}
return ImmutableColumnMappingMetadata.builder()
.from(instance)
.build();
}
private Object readResolve() throws ObjectStreamException {
return new ImmutableColumnMappingMetadata(this.vertexColumn, this.edgeColumn);
}
/**
* Creates a builder for {@link ImmutableColumnMappingMetadata ImmutableColumnMappingMetadata}.
*
* ImmutableColumnMappingMetadata.builder()
* .vertexColumn(String) // required {@link ColumnMappingMetadata#vertexColumn() vertexColumn}
* .edgeColumn(String) // required {@link ColumnMappingMetadata#edgeColumn() edgeColumn}
* .build();
*
* @return A new ImmutableColumnMappingMetadata builder
*/
public static ImmutableColumnMappingMetadata.Builder builder() {
return new ImmutableColumnMappingMetadata.Builder();
}
/**
* Builds instances of type {@link ImmutableColumnMappingMetadata ImmutableColumnMappingMetadata}.
* Initialize attributes and then invoke the {@link #build()} method to create an
* immutable instance.
* {@code Builder} is not thread-safe and generally should not be stored in a field or collection,
* but instead used immediately to create instances.
*/
@Generated(from = "ColumnMappingMetadata", generator = "Immutables")
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_VERTEX_COLUMN = 0x1L;
private static final long INIT_BIT_EDGE_COLUMN = 0x2L;
private long initBits = 0x3L;
private @Nullable String vertexColumn;
private @Nullable String edgeColumn;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code ColumnMappingMetadata} instance.
* Regular attribute values will be replaced with those from the given instance.
* Absent optional values will not replace present values.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(ColumnMappingMetadata instance) {
Objects.requireNonNull(instance, "instance");
vertexColumn(instance.vertexColumn());
edgeColumn(instance.edgeColumn());
return this;
}
/**
* Initializes the value for the {@link ColumnMappingMetadata#vertexColumn() vertexColumn} attribute.
* @param vertexColumn The value for vertexColumn
* @return {@code this} builder for use in a chained invocation
*/
public final Builder vertexColumn(String vertexColumn) {
this.vertexColumn = Objects.requireNonNull(vertexColumn, "vertexColumn");
initBits &= ~INIT_BIT_VERTEX_COLUMN;
return this;
}
/**
* Initializes the value for the {@link ColumnMappingMetadata#edgeColumn() edgeColumn} attribute.
* @param edgeColumn The value for edgeColumn
* @return {@code this} builder for use in a chained invocation
*/
public final Builder edgeColumn(String edgeColumn) {
this.edgeColumn = Objects.requireNonNull(edgeColumn, "edgeColumn");
initBits &= ~INIT_BIT_EDGE_COLUMN;
return this;
}
/**
* Builds a new {@link ImmutableColumnMappingMetadata ImmutableColumnMappingMetadata}.
* @return An immutable instance of ColumnMappingMetadata
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableColumnMappingMetadata build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableColumnMappingMetadata(vertexColumn, edgeColumn);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if ((initBits & INIT_BIT_VERTEX_COLUMN) != 0) attributes.add("vertexColumn");
if ((initBits & INIT_BIT_EDGE_COLUMN) != 0) attributes.add("edgeColumn");
return "Cannot build ColumnMappingMetadata, some of required attributes are not set " + attributes;
}
}
}