public static void toXContent(
AliasMetaData aliasMetaData, XContentBuilder builder, ToXContent.Params params)
throws IOException {
builder.startObject(aliasMetaData.alias(), XContentBuilder.FieldCaseConversion.NONE);
boolean binary = params.paramAsBoolean("binary", false);
if (aliasMetaData.filter() != null) {
if (binary) {
builder.field("filter", aliasMetaData.filter.compressed());
} else {
byte[] data = aliasMetaData.filter().uncompressed();
XContentParser parser = XContentFactory.xContent(data).createParser(data);
Map<String, Object> filter = parser.mapOrdered();
parser.close();
builder.field("filter", filter);
}
}
if (aliasMetaData.indexRouting() != null) {
builder.field("index_routing", aliasMetaData.indexRouting());
}
if (aliasMetaData.searchRouting() != null) {
builder.field("search_routing", aliasMetaData.searchRouting());
}
builder.endObject();
}
public void testMultipleAliasesPrecedence() throws Exception {
client()
.admin()
.indices()
.preparePutTemplate("template1")
.setTemplate("*")
.setOrder(0)
.addAlias(new Alias("alias1"))
.addAlias(new Alias("{index}-alias"))
.addAlias(
new Alias("alias3")
.filter(QueryBuilders.boolQuery().mustNot(QueryBuilders.existsQuery("test"))))
.addAlias(new Alias("alias4"))
.get();
client()
.admin()
.indices()
.preparePutTemplate("template2")
.setTemplate("te*")
.setOrder(1)
.addAlias(new Alias("alias1").routing("test"))
.addAlias(new Alias("alias3"))
.get();
assertAcked(
prepareCreate("test").addAlias(new Alias("test-alias").searchRouting("test-routing")));
ensureGreen();
GetAliasesResponse getAliasesResponse =
client().admin().indices().prepareGetAliases().addIndices("test").get();
assertThat(getAliasesResponse.getAliases().get("test").size(), equalTo(4));
for (AliasMetaData aliasMetaData : getAliasesResponse.getAliases().get("test")) {
assertThat(
aliasMetaData.alias(),
anyOf(equalTo("alias1"), equalTo("test-alias"), equalTo("alias3"), equalTo("alias4")));
if ("alias1".equals(aliasMetaData.alias())) {
assertThat(aliasMetaData.indexRouting(), equalTo("test"));
assertThat(aliasMetaData.searchRouting(), equalTo("test"));
} else if ("alias3".equals(aliasMetaData.alias())) {
assertThat(aliasMetaData.filter(), nullValue());
} else if ("test-alias".equals(aliasMetaData.alias())) {
assertThat(aliasMetaData.indexRouting(), nullValue());
assertThat(aliasMetaData.searchRouting(), equalTo("test-routing"));
}
}
}
public static void writeTo(AliasMetaData aliasMetaData, StreamOutput out) throws IOException {
out.writeString(aliasMetaData.alias());
if (aliasMetaData.filter() != null) {
out.writeBoolean(true);
aliasMetaData.filter.writeTo(out);
} else {
out.writeBoolean(false);
}
if (aliasMetaData.indexRouting() != null) {
out.writeBoolean(true);
out.writeString(aliasMetaData.indexRouting());
} else {
out.writeBoolean(false);
}
if (aliasMetaData.searchRouting() != null) {
out.writeBoolean(true);
out.writeString(aliasMetaData.searchRouting());
} else {
out.writeBoolean(false);
}
}
private AliasMetaData(AliasMetaData aliasMetaData, String alias) {
this(
alias, aliasMetaData.filter(), aliasMetaData.indexRouting(), aliasMetaData.searchRouting());
}
public Builder(AliasMetaData aliasMetaData) {
this(aliasMetaData.alias());
filter = aliasMetaData.filter();
indexRouting = aliasMetaData.indexRouting();
searchRouting = aliasMetaData.searchRouting();
}